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Search results for: somatic embryo
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text-center" style="font-size:1.6rem;">Search results for: somatic embryo</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">243</span> Single Protoplast of Murraya paniculata L. Jack Regenerated Into Plantlets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Basri%20Jumin">Hasan Basri Jumin</a>, <a href="https://publications.waset.org/abstracts/search?q=Danil%20Endriand%20Basri">Danil Endriand Basri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Isolated protoplast from embryogenic callus of orange Jessamine (Murraya paniculata L. (Jack) cultured and maintained under growth chamber at the temperature +25oC. The parameter observed are the plating efficiency, the number of spherical embryos, heard-shaped embryos-like structure, shoot formation, and plantlets obtained. Treatment was arranged with 0.0, 0.001, 0.01, 0.1 or 1.0 mg 1-1 Naphthalene acetic acid (NAA), and 0, 300, 500 mg 1/l malt extract (ME) and 0.M sorbitol in the medium with 2.5 % sucrose. Interaction between 0.001 mg/l NAA and 500 mg/l was observed the higher percentage of planting efficiency. For embryo development from callus, the media was added to 0.0 mg/l, 0.001 mg/l, 0.01 ,mg/l, 0.1 mg/l, 1.0 mg/l NAA, and 1.0 %, 2.0 %, 3.0 %, 4.0 % sucrose. Media supplemented with 0.01mg/l NAA, and 1.0% sucrose was found to be a suitable medium for the development of spherical somatic embryos. A combination of 0.1 mg/ indole acetic acid (IAA) and 0.1 mg/l zeatin constituted the spherical somatic embryo became heart-shaped embryos-like structure. A combination between GA3 0.1 mg 1/l GA3 and 0.1 mg 1-1 zeatin is looking high, growing the heart-shaped embryos-like structure to form a shoot. Cells were developed into spherical embryos and grew into heart-shaped embryos, and then spherical somatic embryos developed into shoot formation. Sequence from single protoplast to plantlets was obtained by using a low concentration of plant growth regulator and sucrose; This recovery of single protoplast to be completed plantlets is a new technology in plant cell culture, and this could be used in genetic engineering in citrus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heart-shaped-embryos-like-structure" title="heart-shaped-embryos-like-structure">heart-shaped-embryos-like-structure</a>, <a href="https://publications.waset.org/abstracts/search?q=Muraya-paniculata" title=" Muraya-paniculata"> Muraya-paniculata</a>, <a href="https://publications.waset.org/abstracts/search?q=plant-growth-regulator" title=" plant-growth-regulator"> plant-growth-regulator</a>, <a href="https://publications.waset.org/abstracts/search?q=spherical-%20somatic-embryo" title=" spherical- somatic-embryo"> spherical- somatic-embryo</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20protoplast" title=" single protoplast"> single protoplast</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose" title=" glucose"> glucose</a> </p> <a href="https://publications.waset.org/abstracts/153880/single-protoplast-of-murraya-paniculata-l-jack-regenerated-into-plantlets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153880.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">110</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">242</span> Differential Proteomic Profile and Terpenoid Production in Somatic Embryos of Jatropha curcas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anamarel%20Medina-Hernandez">Anamarel Medina-Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Ponce-Noyola"> Teresa Ponce-Noyola</a>, <a href="https://publications.waset.org/abstracts/search?q=Ileana%20Vera-Reyes"> Ileana Vera-Reyes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20C.%20Ramos-Valdivia"> Ana C. Ramos-Valdivia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Somatic embryos reproduce original seed characteristics and could be implemented in biotechnological studies. Jatropha curcas L. is an important plant for biodiesel production, but also is used in traditional medicine. Seeds from J. curcas are toxic because contain diterpenoids called phorbol esters, but in Mexico exist a non-toxic variety. Therefore, somatic embryos suspension cultures from non-toxic J. curcas variety were induced. In order to investigate the characteristics of somatic embryos, a differential proteomic analysis was made between pre-globular and globular stages by 2-D gel electrophoresis. 108 spots were differentially expressed (p<0.02), and 20 spots from globular somatic embryos were sequenced by MALDI-TOF-TOF mass spectrometry. A comparative analysis of terpenoids production between the two stages was made by RP-18 TLC plates. The sequenced proteins were related to energy production (68%), protein destination and storage (9%), secondary metabolism (9%), signal transduction (5%), cell structure (5%) and aminoacid metabolism (4%). Regarding terpenoid production, in pre-globular and globular somatic embryos were identified sterols and triterpenes of pharmacological interest (alpha-amyrin and betulinic acid) but also it was found compounds that were unique to each stage. The results of this work are the basis to characterize at different levels the J. curcas somatic embryos so that this system can be used efficiently in biotechnological processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jatropha%20curcas" title="Jatropha curcas">Jatropha curcas</a>, <a href="https://publications.waset.org/abstracts/search?q=proteomics" title=" proteomics"> proteomics</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryo" title=" somatic embryo"> somatic embryo</a>, <a href="https://publications.waset.org/abstracts/search?q=terpenoids" title=" terpenoids"> terpenoids</a> </p> <a href="https://publications.waset.org/abstracts/71308/differential-proteomic-profile-and-terpenoid-production-in-somatic-embryos-of-jatropha-curcas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71308.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">256</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">241</span> Somatic Embryogenesis of Lachenalia viridiflora, a Critically Endangered Ornamental Geophyte with High Floricultural Potential</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vijay%20Kumar">Vijay Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mack%20Moyo"> Mack Moyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Johannes%20Van%20Staden"> Johannes Van Staden</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lachenalia viridiflora is a critically endangered bulbous plant with high potential on the international floriculture market. In the present study, an efficient protocol for in vitro plantlet regeneration through somatic embryogenesis was developed. Embryogenic callus was established on Murashige and Skoog (MS) basal medium supplemented with various concentrations and combinations of picloram and thidiazuron (TDZ). A high number of SEs (28.5 ± 1.49) with at different developmental stages of somatic embryos (SEs: globular embryos, torpedo and cotyledon embryo with bipolar characteristics) was obtained on Murashige and Skoog (MS) (Murashige and Skoog 1962) medium with 2.5 μM picloram, and 1.0 μM TDZ. Histological and scanning electron microscopic (SEM) analysis confirmed the presence of somatic embryos. Mature somatic embryos germinated and developed into plantlets after 6 weeks on half/full strength MS medium. High plant regeneration frequency (91.11 %) was achieved on full-strength MS medium supplemented with 5 μM phloroglucinol (PG). Well-developed healthy plantlets were successfully acclimatized in the greenhouse with a survival rate of 80%. The result of this study is beneficial in the mass propagation of high-quality Lachenalia viridiflora clonal plants for the commercial horticultural market and also provides a platform for future genetic transformation studies on the plant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=horticultural%20plant" title="horticultural plant">horticultural plant</a>, <a href="https://publications.waset.org/abstracts/search?q=Lachenalia%20viridiflora" title=" Lachenalia viridiflora"> Lachenalia viridiflora</a>, <a href="https://publications.waset.org/abstracts/search?q=phloroglucinol" title=" phloroglucinol"> phloroglucinol</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryogenesis" title=" somatic embryogenesis"> somatic embryogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=thidiazuron" title=" thidiazuron"> thidiazuron</a> </p> <a href="https://publications.waset.org/abstracts/53535/somatic-embryogenesis-of-lachenalia-viridiflora-a-critically-endangered-ornamental-geophyte-with-high-floricultural-potential" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53535.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">631</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">240</span> Indirect Regeneration and Somatic Embryogenesis from Leaf and Stem Explants of Crassula ovata 42-45 (Mill.) Druce: An Ornamental Medicinal Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20B.%20A.%20Ahmed">A. B. A. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20I.%20Amar"> D. I. Amar</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20M.%20Taha"> R. M. Taha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to investigate callus induction, somatic embryogenesis and indirect plant regeneration of Crassula ovata (Mill.) Druce – the famous ornamental plant. Experiment no.1: Callus induction was obtained from leaf and stem explants on Murashige and Skoog (MS) medium supplemented with various plant growth regulators (PGRs). Effects of different PGRs, plant regeneration and subsequent plantlet conversion were also assessed. Indirect plant regeneration was achieved from the callus of stem explants by the addition of 1.5 mg/L Kinetin (KN) alone. Best shoot induction was achieved (6.5 shoots/per explant) after 60 days. For successful rooting, regenerated plantlets were sub-cultured on the same MS media supplemented with 1.5 mg/L KN alone. The rooted plantlets were acclimatized and the survival rate was 90%. Experiment no.2: Results revealed that 0.5 mg/L 2,4-D alone and in combination with 1.0 mg/L 6-Benzyladenine (BA) gave 89.8% callus from the stem explants as compared to leaf explants. Callus proliferation and somatic embryo formation were also evaluated by ‘Double Staining Method’ and different stages of somatic embryogenesis were revealed by scanning electron microscope. Full Strength MS medium produced the highest number (49.6%) of cotyledonary stage somatic embryos (SEs). Mature cotyledonary stage SEs developed into plantlets after 12 weeks of culture. Well-rooted plantlets were successfully acclimatized at the survival rate of 85%. Indirectly regenerated plants did not show any detectable variation in morphological and growth characteristics when compared with the donor plant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=callus%20induction" title="callus induction">callus induction</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20plant%20regeneration" title=" indirect plant regeneration"> indirect plant regeneration</a>, <a href="https://publications.waset.org/abstracts/search?q=double%20staining" title=" double staining"> double staining</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryogenesis" title=" somatic embryogenesis"> somatic embryogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=Crassula%20ovata" title=" Crassula ovata"> Crassula ovata</a> </p> <a href="https://publications.waset.org/abstracts/13777/indirect-regeneration-and-somatic-embryogenesis-from-leaf-and-stem-explants-of-crassula-ovata-42-45-mill-druce-an-ornamental-medicinal-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13777.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">385</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">239</span> Protoplast Cultures of Murraya paniculata L. Jack and Their Regeneration into Plant Precocious Flowering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Basri%20Jumin">Hasan Basri Jumin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protoplasts isolated from embryogenic callus of Murraya paniculata (L. Jack.) were cultured in MT (Murashige and Tucker, 1969) basal medium containing 5% sucrose supplemented with kinetin, malt extract (ME) and 0.6 M sorbitol. About 85% of the surviving protoplasts formed a cell wall within 6 d of culture and the first cell division was observed 7 days after isolation. The highest plating effi¬ciency was obtained on MT basal medium containing 5% sucrose supplemented with 0.01 mg 1-1 kinetin 600 mg 1-1 ME, MT basal medium containing 5% sucrose and supplemented with 0.01 mg 1-1 Indole-acetic-acid (IAA) was found to be a medium suitable for the development somatic embryos into heart-shaped somatic embryos. The highest percentage of shoot formation was obtained using 0.1 mg 1-1 Indole-acitic-acid (IAA) 0..1 mg 1-1 gibberellic acid (GA3). In this investigation 40 plants were survived and grew normally in the soil. After two months maitained in the soil plants formed flower and flower developed into fruits on the soil treated with BA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gibberellic-acid" title="gibberellic-acid">gibberellic-acid</a>, <a href="https://publications.waset.org/abstracts/search?q=indole-acetic-acid" title=" indole-acetic-acid"> indole-acetic-acid</a>, <a href="https://publications.waset.org/abstracts/search?q=protoplast" title=" protoplast"> protoplast</a>, <a href="https://publications.waset.org/abstracts/search?q=precocious-flowering" title=" precocious-flowering"> precocious-flowering</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic-embryo" title=" somatic-embryo"> somatic-embryo</a> </p> <a href="https://publications.waset.org/abstracts/45902/protoplast-cultures-of-murraya-paniculata-l-jack-and-their-regeneration-into-plant-precocious-flowering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45902.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">238</span> Somatic Hybridization of between Citrus and Murraya paniculata Cells Applied by Electro-Fusion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Basri%20Jumin">Hasan Basri Jumin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protoplasts isolated from embryogenic callus of Citrus sinensis were electrically used with mesophyll protoplasts isolated from seedless Citrus relatives. Hybrid of somatic embryos plantlets was obtained after 7 months of culture. Somatic hybrid plants were regenerated into normal seedlings and successfully transferred to soil after strictly acclimatization in the glass pot. The somatic hybrid plants were obtained by screening on the basis of chromosomes count. The number of chromosome of root tip counting revealed plantlets tetraploids (2n = 4x = 36) and the other were diploids (2n = 2x = 18) morphologically resembling the mesophyll parent. This somatic hybrid will be utilized as a possible pollen parent for improving the Citrus sinensis. A complete protoplast-to-plant system of somatic hybrid was developed for Citrus sinensis and Citrus relatives which could facilitate the transfer of nuclear and cytoplasmic genes from this species into cultivated Citrus through protoplast fusion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chromosome" title="chromosome">chromosome</a>, <a href="https://publications.waset.org/abstracts/search?q=Murraya%20paniculata" title=" Murraya paniculata"> Murraya paniculata</a>, <a href="https://publications.waset.org/abstracts/search?q=protoplast%20fusion" title=" protoplast fusion"> protoplast fusion</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20hybrid" title=" somatic hybrid"> somatic hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=tetrapoliod" title=" tetrapoliod"> tetrapoliod</a> </p> <a href="https://publications.waset.org/abstracts/60900/somatic-hybridization-of-between-citrus-and-murraya-paniculata-cells-applied-by-electro-fusion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60900.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">341</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">237</span> Artificial Seed Production in Stipagrostis pennata</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Masoumeh%20Asadi%20Aghbolaghi">Masoumeh Asadi Aghbolaghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Beata%20Dedicova"> Beata Dedicova</a>, <a href="https://publications.waset.org/abstracts/search?q=Farzad%20Sharifzadeh"> Farzad Sharifzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mansoor%20Omidi"> Mansoor Omidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ulrika%20Egertsdotter"> Ulrika Egertsdotter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stipagrostis pennata is one of the valuable fodder plants and is very resistant to drought, due to the low capacity of seed production, the use of asexual reproduction methods, including somatic embryogenesis and artificial seed, can increase its reproduction on a large scale. This study was conducted in order to obtain optimal treatments for the production of artificial seeds of this plant through the somatic embryo encapsulating. Embryonic calluses were encapsulated using sodium alginate and calcium chloride and then sowed in a germination medium. The experiment was conducted as a factorial based on a completely randomized design with three replications. The treatments include three concentrations of sodium alginate (1.5, 2.5, and 3.5 percent), two ion exchange times (20 and 30 minutes,) and two artificial seed germination media (hormone free MS and MS containing zeatin riboside and L-proline). Germination percentage and number of days until the beginning of germination were investigated. The highest percentage of artificial seed germination was obtained when 2.5% sodium alginate was used for 30 minutes (ion exchange time) and the seeds were placed on the germination medium containing zeatin riboside and L-proline. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryogenesis" title="somatic embryogenesis">somatic embryogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=Stipagrostis%20pennata" title=" Stipagrostis pennata"> Stipagrostis pennata</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic%20seed" title=" synthetic seed"> synthetic seed</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20culture" title=" tissue culture"> tissue culture</a> </p> <a href="https://publications.waset.org/abstracts/154985/artificial-seed-production-in-stipagrostis-pennata" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154985.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">100</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">236</span> Effects of Breed and Number of Embryos Transferred on the Efficacy of MOET in Sheep</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayman%20A.%20Swelum">Ayman A. Swelum</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20N.%20Al-Owaimer"> Abdullah N. Al-Owaimer</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20A.%20Abouheif"> Mohamed A. Abouheif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to evaluate the effects of sheep breed and the number of embryos transferred on the success of multiple ovulation and embryo transfer (MOET). Sixteen Najdi and Naeimi ewes were used as donors. Multiple ovulation was achieved using equine chorionic gonadotropin (eCG). Thirty-five recipient ewes were divided into four groups: Najdi or Naeimi ewes that received either one or two embryos. After lambing, the gestation length, litter size, and sex of the lambs were recorded. The rates of pregnancy, lambing, and embryo survival were lower in the recipient Najdi than Naeimi ewes when two embryos were transferred. In contrast, the Naeimi ewes that received one embryo had a significantly lower embryo transfer success. In conclusion, the response of ewes to multiple ovulation stimulation using eCG was significantly high in Naeimi ewes (9.8±1.17). Moreover, transferring one embryo resulted in a significantly high pregnancy rate in the Najdi sheep (60%). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=embryo%20transfer" title="embryo transfer">embryo transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20ovulation" title=" multiple ovulation"> multiple ovulation</a>, <a href="https://publications.waset.org/abstracts/search?q=Najdi" title=" Najdi"> Najdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Naeimi" title=" Naeimi"> Naeimi</a>, <a href="https://publications.waset.org/abstracts/search?q=sheep" title=" sheep"> sheep</a> </p> <a href="https://publications.waset.org/abstracts/5641/effects-of-breed-and-number-of-embryos-transferred-on-the-efficacy-of-moet-in-sheep" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5641.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">729</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">235</span> The Effectiveness of High-Frequency Repetitive Transcranial Magnetic Stimulation in Persistent Somatic Symptoms Disorder: A Case Report Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Khamis%20Albalushi">Mohammed Khamis Albalushi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Somatic symptoms disorders are usually comorbid with depressive disorders despite the fact that there is little evidence for effective treatment for it. Repetitive transcranial magnetic stimulation (rTMS) has been approved by the FDA for mildly resistant depression. From this point, we hypothesized that rTMS delivered over the prefrontal cortex (PFC) may be useful in somatic symptoms disorder. Therefore, in our case report, we want to shed light on the potential effectiveness of rTMS in somatic symptoms disorder. Case Report: A 65-year-old Omani female with multiple medical comorbidities on multiple medications. She presented complaining of multiple somatic complaints in the last 2 years after visiting multiple clinics and underwent several specialists’ examinations, investigations and procedures for somatic treatments; all of them were normal. Then patient was seen by a different psychiatric clinic; multiple anti-depressant and adjuvant anti-psychotic medications were tried, patient still did not improve. The patient was admitted to the hospital for observation and management. Initially, she was preoccupied with her somatic complaint and kept on Fluoxetine and Olanzapine along with that, topiramate was added, but still with minimal improvement. Then rTMS was added to her management plan following Intermittent theta burst (iTBS) rTMS protocol. After completing all sessions of rTMS, the patient was recovering from all her symptoms, and no complaints were reported from her. Conclusion: Our case highlights the importance of investigating more thoroughly in rTMS as a treatment option for Persistent Somatic symptoms Disorder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rTMS" title="rTMS">rTMS</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20symptoms%20disorder" title=" somatic symptoms disorder"> somatic symptoms disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=resistive%20cases" title=" resistive cases"> resistive cases</a>, <a href="https://publications.waset.org/abstracts/search?q=TMS" title=" TMS"> TMS</a> </p> <a href="https://publications.waset.org/abstracts/170499/the-effectiveness-of-high-frequency-repetitive-transcranial-magnetic-stimulation-in-persistent-somatic-symptoms-disorder-a-case-report-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170499.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">62</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">234</span> Agarose Amplification Based Sequencing (AG-seq) Characterization Cell-free RNA in Preimplantation Spent Embryo Medium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huajuan%20Shi">Huajuan Shi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The biopsy of the preimplantation embryo may increase the potential risk and concern of embryo viability. Clinically discarded spent embryo medium (SEM) has entered the view of researchers, sparking an interest in noninvasive embryo screening. However, one of the major restrictions is the extremelty low quantity of cf-RNA, which is difficult to efficiently and unbiased amplify cf-RNA using traditional methods. Hence, there is urgently need to an efficient and low bias amplification method which can comprehensively and accurately obtain cf-RNA information to truly reveal the state of SEM cf-RNA. Result: In this present study, we established an agarose PCR amplification system, and has significantly improved the amplification sensitivity and efficiency by ~90 fold and 9.29 %, respectively. We applied agarose to sequencing library preparation (named AG-seq) to quantify and characterize cf-RNA in SEM. The number of detected cf-RNAs (3533 vs 598) and coverage of 3' end were significantly increased, and the noise of low abundance gene detection was reduced. The increasing percentage 5' end adenine and alternative splicing (AS) events of short fragments (< 400 bp) were discovered by AG-seq. Further, the profiles and characterizations of cf-RNA in spent cleavage medium (SCM) and spent blastocyst medium (SBM) indicated that 4‐mer end motifs of cf-RNA fragments could remarkably differentiate different embryo development stages. Significance: This study established an efficient and low-cost SEM amplification and library preparation method. Not only that, we successfully described the characterizations of SEM cf-RNA of preimplantation embryo by using AG-seq, including abundance features fragment lengths. AG-seq facilitates the study of cf-RNA as a noninvasive embryo screening biomarker and opens up potential clinical utilities of trace samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cell-free%20RNA" title="cell-free RNA">cell-free RNA</a>, <a href="https://publications.waset.org/abstracts/search?q=agarose" title=" agarose"> agarose</a>, <a href="https://publications.waset.org/abstracts/search?q=spent%20embryo%20medium" title=" spent embryo medium"> spent embryo medium</a>, <a href="https://publications.waset.org/abstracts/search?q=RNA%20sequencing" title=" RNA sequencing"> RNA sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=non-invasive%20detection" title=" non-invasive detection"> non-invasive detection</a> </p> <a href="https://publications.waset.org/abstracts/173477/agarose-amplification-based-sequencing-ag-seq-characterization-cell-free-rna-in-preimplantation-spent-embryo-medium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173477.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">92</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">233</span> The Bicoid Gradient in the Drosophila Embryo: 3D Modelling with Realistic Egg Geometries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20V.%20Spirov">Alexander V. Spirov</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20M.%20Holloway"> David M. Holloway</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekaterina%20M.%20Myasnikova"> Ekaterina M. Myasnikova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Segmentation of the early Drosophila embryo results from the dynamic establishment of spatial gene expression patterns. Patterning occurs on an embryo geometry which is a 'deformed' prolate ellipsoid, with anteroposterior and dorsal-ventral major and minor axes, respectively. Patterning is largely independent along each axis, but some interaction can be seen in the 'bending' of the segmental expression stripes. This interaction is not well understood. In this report, we investigate how 3D geometrical features of the early embryo affect the segmental expression patterning. Specifically, we study the effect of geometry on formation of the Bicoid primary morphogenetic gradient. Our computational results demonstrate that embryos with a much longer ventral than dorsal surface ('bellied') can produce curved Bicoid concentration contours which could activate curved stripes in the downstream pair-rule segmentation genes. In addition, we show that having an extended source for Bicoid in the anterior of the embryo may be necessary for producing the observed exponential form of the Bicoid gradient along the anteroposterior axis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Drosophila%20embryo" title="Drosophila embryo">Drosophila embryo</a>, <a href="https://publications.waset.org/abstracts/search?q=bicoid%20morphogenetic%20gradient" title=" bicoid morphogenetic gradient"> bicoid morphogenetic gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=exponential%20expression%20profile" title=" exponential expression profile"> exponential expression profile</a>, <a href="https://publications.waset.org/abstracts/search?q=expression%20surface%20form" title=" expression surface form"> expression surface form</a>, <a href="https://publications.waset.org/abstracts/search?q=segmentation%20genes" title=" segmentation genes"> segmentation genes</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20modelling" title=" 3D modelling"> 3D modelling</a> </p> <a href="https://publications.waset.org/abstracts/73820/the-bicoid-gradient-in-the-drosophila-embryo-3d-modelling-with-realistic-egg-geometries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73820.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">274</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">232</span> Regeneration of Plantlets via Direct Somatic Embryogenesis from Different Explants of Murraya koenigii</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nisha%20Khatik">Nisha Khatik</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Joshi"> Ramesh Joshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An in vitro plant regeneration system was developed via direct somatic embryogenesis from different seedling explants of an important medicinal plant Murraya koenigii (L) Spreng. Cotyledons (COT), Hypocotyle (HYP)(10 to 15 mm) and Root (RT) segments (10 to 20 mm) were excised from 60 days old seedlings as explants. The somatic embryos induction was achieved on MS basal medium augmented with different concentrations of BAP 1.33 to 8.40 µM and TDZ 1.08 to 9.82 µM. The globular embryos originated from cut ends and entire surface of the root, hypocotyle explants and margins of cotyledons within 30-40days. The percentage of somatic embryos induction per explant was significantly higher in HYP explants (94.21±5.77%) in the MS basal medium supplemented with 6.20 µM BAP and 8.64 µM TDZ. The highest rate of conversion of torpedo, heart and cotyledonary stages from globular stage was obtained in MS medium supplemented with 8.64 µM TDZ. The matured somatic embryos were transferred to the MS basal medium without PGRs. Highest 88% of the matured embryos were germinated on transfer to the PGR free medium where they grew for a further 3-4 weeks. Out of seventy six hardened plants seventy (92%) plantlets were found healthy under field conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Murraya%20koenigii" title="Murraya koenigii">Murraya koenigii</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryogenesis" title=" somatic embryogenesis"> somatic embryogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=thidiazuron" title=" thidiazuron"> thidiazuron</a>, <a href="https://publications.waset.org/abstracts/search?q=regeneration" title=" regeneration"> regeneration</a>, <a href="https://publications.waset.org/abstracts/search?q=rutaceae" title=" rutaceae"> rutaceae</a> </p> <a href="https://publications.waset.org/abstracts/20190/regeneration-of-plantlets-via-direct-somatic-embryogenesis-from-different-explants-of-murraya-koenigii" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20190.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">427</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">231</span> Selection of Developmental Stages of Bovine in vitro-Derived Blastocysts Prior to Vitrification and Embryo Transfer: Implications for Cattle Breeding Programs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Van%20Huong%20Do">Van Huong Do</a>, <a href="https://publications.waset.org/abstracts/search?q=Simon%20Walton"> Simon Walton</a>, <a href="https://publications.waset.org/abstracts/search?q=German%20Amaya"> German Amaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Madeline%20Batsiokis"> Madeline Batsiokis</a>, <a href="https://publications.waset.org/abstracts/search?q=Sally%20Catt"> Sally Catt</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Taylor-Robinson"> Andrew Taylor-Robinson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Identification of the most suitable stages of bovine in vitro-derived blastocysts (early, expanded and hatching) prior to vitrification is a straightforward process that facilitates the decision as to which blastocyst stage to use for transfer of fresh and vitrified embryos. Research on in vitro evaluation of suitable stages has shown that the more advanced developmental stage of blastocysts is recommended for fresh embryo transfer while the earlier stage is proposed for embryo transfer following vitrification. There is, however, limited information on blastocyst stages using in vivo assessment. Hence, the aim of the present study was to determine the optimal stage of a blastocyst for vitrification and embryo transfer through a two-step procedure of embryo transfer followed by pregnancy testing at 35, 60 and 90 days of pregnancy. 410 good quality oocytes aspirated by the ovum pick-up technique from 8 donor cows were subjected to in vitro embryo production, vitrification and embryo transfer. Good quality embryos were selected, subjected to vitrification and embryo transfer. Subsequently, 77 vitrified embryos at different blastocyst stages were transferred to synchronised recipient cows. The overall cleavage and blastocyst rates of oocytes were 68.8% and 41.7%, respectively. In addition, the fertility and blastocyst production of 6 bulls used for in vitro fertilization was examined and shown to be statistically different (P<0.05). Results of ongoing pregnancy trials conducted at 35 days, 60 days and 90 days will be discussed. However, preliminary data indicate that individual bulls demonstrate distinctly different fertility performance in vitro. Findings from conception rates would provide a useful tool to aid selection of bovine in vitro-derived embryos for vitrification and embryo transfer in commercial settings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blastocyst" title="blastocyst">blastocyst</a>, <a href="https://publications.waset.org/abstracts/search?q=embryo%20transfer" title=" embryo transfer"> embryo transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vitro-derived%20embryos" title=" in vitro-derived embryos"> in vitro-derived embryos</a>, <a href="https://publications.waset.org/abstracts/search?q=ovum%20pick-up" title=" ovum pick-up"> ovum pick-up</a>, <a href="https://publications.waset.org/abstracts/search?q=vitrification" title=" vitrification"> vitrification</a> </p> <a href="https://publications.waset.org/abstracts/78837/selection-of-developmental-stages-of-bovine-in-vitro-derived-blastocysts-prior-to-vitrification-and-embryo-transfer-implications-for-cattle-breeding-programs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78837.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">307</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">230</span> A Comprehensive Characterization of Cell-free RNA in Spent Blastocyst Medium and Quality Prediction for Blastocyst</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huajuan%20Shi">Huajuan Shi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The biopsy of the preimplantation embryo may increase the potential risk and concern of embryo viability. Clinically discarded spent embryo medium (SEM) has entered the view of researchers, sparking an interest in noninvasive embryo screening. However, one of the major restrictions is the extremelty low quantity of cf-RNA, which is difficult to efficiently and unbiased amplify cf-RNA using traditional methods. Hence, there is urgently need to an efficient and low bias amplification method which can comprehensively and accurately obtain cf-RNA information to truly reveal the state of SEM cf-RNA. Result: In this present study, we established an agarose PCR amplification system, and has significantly improved the amplification sensitivity and efficiency by ~90 fold and 9.29 %, respectively. We applied agarose to sequencing library preparation (named AG-seq) to quantify and characterize cf-RNA in SEM. The number of detected cf-RNAs (3533 vs 598) and coverage of 3' end were significantly increased, and the noise of low abundance gene detection was reduced. The increasing percentage 5' end adenine and alternative splicing (AS) events of short fragments (< 400 bp) were discovered by AG-seq. Further, the profiles and characterizations of cf-RNA in spent cleavage medium (SCM) and spent blastocyst medium (SBM) indicated that 4‐mer end motifs of cf-RNA fragments could remarkably differentiate different embryo development stages. Significance: This study established an efficient and low-cost SEM amplification and library preparation method. Not only that, we successfully described the characterizations of SEM cf-RNA of preimplantation embryo by using AG-seq, including abundance features fragment lengths. AG-seq facilitates the study of cf-RNA as a noninvasive embryo screening biomarker and opens up potential clinical utilities of trace samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cell-free%20RNA" title="cell-free RNA">cell-free RNA</a>, <a href="https://publications.waset.org/abstracts/search?q=agarose" title=" agarose"> agarose</a>, <a href="https://publications.waset.org/abstracts/search?q=spent%20embryo%20medium" title=" spent embryo medium"> spent embryo medium</a>, <a href="https://publications.waset.org/abstracts/search?q=RNA%20sequencing" title=" RNA sequencing"> RNA sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=non-invasive%20detection" title=" non-invasive detection"> non-invasive detection</a> </p> <a href="https://publications.waset.org/abstracts/173480/a-comprehensive-characterization-of-cell-free-rna-in-spent-blastocyst-medium-and-quality-prediction-for-blastocyst" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">64</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">229</span> Evaluation of Humoral Immune Response Against Somatic and Excretory- Secretory Antigens of Dicrocoelium Dendriticum in Infected Sheep by Western Blot</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arash%20Jafari">Arash Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Somaye%20Bahrami"> Somaye Bahrami</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hossein%20Razi%20Jalali"> Mohammad Hossein Razi Jalali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was the isolation and identification of excretory-secretory and somatic antigens from D. dendriticum by SDS-PAGE and evaluation of humeral immune response against these antigens. The sera of infected sheep with different infection degrees were collected. Somatic and ES proteins were isolated with SDS PAGE. Immunogenicity properties of the resulting proteins were determined using western blot analysis. The total extract of somatic antigens analysed by SDS-PAGE revealed 21 proteins. In mild infection, bands of 130 KDa were immune dominant. In moderate infections 48, 80 and 130 KDa and in heavy infections 48, 60, 80, 130 KDa were detected as immune dominant bands. In ES antigens, mild infection 130 KDa, in moderate infection 100, 120 and 130 KDa and in heavy infection 45, 80, 85, 100, 120 and 130 KDa were immune dominant bands. The most immunogenic protein band during different degrees of infection was 130KDa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dicrocoelium%20dendriticum%20excretory-secretory%20antigens" title="Dicrocoelium dendriticum excretory-secretory antigens">Dicrocoelium dendriticum excretory-secretory antigens</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20antigens" title=" somatic antigens"> somatic antigens</a>, <a href="https://publications.waset.org/abstracts/search?q=western%20blot" title=" western blot"> western blot</a> </p> <a href="https://publications.waset.org/abstracts/5671/evaluation-of-humoral-immune-response-against-somatic-and-excretory-secretory-antigens-of-dicrocoelium-dendriticum-in-infected-sheep-by-western-blot" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5671.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">602</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">228</span> Impact of Serum Estrogen and Progesterone Levels in the Outcome Pregnancy Rate in Frozen Embryo Transfer Cycles. A Prospective Cohort Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sayantika%20Biswas">Sayantika Biswas</a>, <a href="https://publications.waset.org/abstracts/search?q=Dipanshu%20Sur"> Dipanshu Sur</a>, <a href="https://publications.waset.org/abstracts/search?q=Amitoj%20Athwal"> Amitoj Athwal</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratnabali%20Chakravorty"> Ratnabali Chakravorty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Title: Impact of serum estrogen and progesterone levels in the outcome pregnancy rate in frozen embryo transfer cycles. A prospective cohort study Objective: The aim of the current study was to evaluate the effect of serum estradiol (E2) and progesterone (P4) levels at different time points on pregnancy outcomes in frozen embryo transfer (FET) cycles. Materials & Method: A prospective cohort study was performed in patients undergoing frozen embryo transfer. Patients under age 37 years of age with at least one good blastocyst or three good day 3 embryos were included in the study. For endometrial preparation, 14 days of oral estradiol use (2X2 mg for 5 days. 3X2 mg for 4 days, and 4X2 mg for 5 days) was followed by vaginal progesterone twice a day and 50 mg intramuscular progesterone twice a day. Embryo transfer was scheduled 72-76 hrs or 116-120hrs after the initiation of progesterone. Serum E2 and P4 levels were examined at 4 times a) at the start of the menstrual cycle prior to the hormone supplementation. b) on the day of P4 start. c) on the day of ET. d) on the third day after ET. Result: A total 41 women were included in this study (mean age 31.8; SD 2.8). Clinical pregnancy rate was 65.55%. Serum E2 levels on at the start of the menstrual cycle prior to the hormone supplementation and on the day of P4 start were high in patients who achieved pregnancy compared to who did not (P=0.005 and P=0.019 respectively). P4 levels on on the day of ET were also high in patients with clinical pregnancy. On the day of P4 start, a serum E2 threshold of 186.4 pg/ml had a sensitivity of 82%, and P4 had a sensitivity of 71% for the prediction of clinical pregnancy at the threshold value 16.00 ng/ml. Conclusion: In women undergoing FET with hormone replacement, serum E2 level >186.4 pg/ml on the day of the start of progesterone and serum P4 levels >16.00 ng/ml on embryo transfer day are associated with clinical pregnancy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=serum%20estradiol" title="serum estradiol">serum estradiol</a>, <a href="https://publications.waset.org/abstracts/search?q=serum%20progesterone" title=" serum progesterone"> serum progesterone</a>, <a href="https://publications.waset.org/abstracts/search?q=clinical%20pregnancy" title=" clinical pregnancy"> clinical pregnancy</a>, <a href="https://publications.waset.org/abstracts/search?q=frozen%20embryo%20transfer" title=" frozen embryo transfer"> frozen embryo transfer</a> </p> <a href="https://publications.waset.org/abstracts/164776/impact-of-serum-estrogen-and-progesterone-levels-in-the-outcome-pregnancy-rate-in-frozen-embryo-transfer-cycles-a-prospective-cohort-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164776.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">80</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">227</span> Attachment and Emotion Regulation among Adults with versus without Somatic Symptom Disorder </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Natalia%20Constantinescu">Natalia Constantinescu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This cross-sectional study aims to explore the differences among adults with somatic symptom disorder (SSD) versus adults without SSD in terms of attachment and emotion regulation strategies. A total sample of 80 participants (40 people with SSD and 40 healthy controls), aged 20-57 years old (M = 31.69, SD = 10.55), were recruited from institutions and online groups. They completed the Romanian version of the Experiences in Close Relationships Scale – Short Form (ECR-S), Regulation of Emotion Systems Survey (RESS), Patient Health Questionnaire-15 (PHQ-15) and Somatic Symptom Disorder – B Criteria Scale (SSD-12). The results indicate significant differences between the two groups in terms of attachment and emotion regulation strategies. Adults with SSD have a higher level of attachment anxiety and avoidance compared to the nonclinical group. Moreover, people with SSD are more prone to use rumination and suppression and less prone to use reevaluation compared to healthy people. Implications for SSD prevention and treatment are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adult%20attachment" title="adult attachment">adult attachment</a>, <a href="https://publications.waset.org/abstracts/search?q=emotion%20regulation%20strategies" title=" emotion regulation strategies"> emotion regulation strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=psychosomatic%20disorders" title=" psychosomatic disorders"> psychosomatic disorders</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20symptom%20disorder" title=" somatic symptom disorder"> somatic symptom disorder</a> </p> <a href="https://publications.waset.org/abstracts/139582/attachment-and-emotion-regulation-among-adults-with-versus-without-somatic-symptom-disorder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139582.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">226</span> Semantic Features of Turkish and Spanish Phraseological Units with a Somatic Component ‘Hand’</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narmina%20Mammadova">Narmina Mammadova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In modern linguistics, the comparative study of languages is becoming increasingly popular, the typology and comparison of languages that have different structures is expanding and deepening. Of particular interest is the study of phraseological units, which makes it possible to identify the specific features of the compared languages in all their national identity. This paper gives a brief analysis of the comparative study of somatic phraseological units (SFU) of the Spanish and Turkish languages with the component "hand" in the semantic aspect; identification of equivalents, analogs and non-equivalent units, as well as a description of methods of translation of non-equivalent somatic phraseological units. Comparative study of the phraseology of unrelated languages is of particular relevance since it allows us to identify both general, universal features and differential and specific features characteristic of a particular language. Based on the results of the generalization of the study, it can be assumed that phraseological units containing a somatic component have a high interlingual phraseological activity, which contributes to an increase in the degree of interlingual equivalence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Linguoculturology" title="Linguoculturology">Linguoculturology</a>, <a href="https://publications.waset.org/abstracts/search?q=Turkish" title=" Turkish"> Turkish</a>, <a href="https://publications.waset.org/abstracts/search?q=Spanish" title=" Spanish"> Spanish</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20picture%20of%20the%20world" title=" language picture of the world"> language picture of the world</a>, <a href="https://publications.waset.org/abstracts/search?q=phraseological%20units" title=" phraseological units"> phraseological units</a>, <a href="https://publications.waset.org/abstracts/search?q=semantic%20microfield" title=" semantic microfield"> semantic microfield</a> </p> <a href="https://publications.waset.org/abstracts/146305/semantic-features-of-turkish-and-spanish-phraseological-units-with-a-somatic-component-hand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146305.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">196</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">225</span> Pattern of Blood Vessels Development at First Seven Days of Incubation of the Wild Helmeted Guinea Fowl (Numida meleagris galeata). Gross Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nathaniel%20Wanmi">Nathaniel Wanmi</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20M.%20Samuel"> O. M. Samuel</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Plang"> N. Plang</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20O.%20Brenda"> P. O. Brenda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The wild helmeted guinea fowl has in recent time been used for research in the field of anatomy because of its peculiarity from other domesticated species of avian. Eggs of the wild helmeted guinea fowl are considered to be nutritious and has been used for medicinal purposes in some rural settlements in Nigeria. Eggs of the wild helmeted guinea fowl were purchased from hunters and taken to the National Veterinary Research Institution (NVRI) for incubation. Immediately fresh eggs were purchased, it was kindle using high powered light because of its thick egg shell and only eggs which have not started developing will be incubated and that marks the first day of incubation. On day 3 of incubation, large patches of appears redden on the surface of the egg yolk. These congested sites, develop around portion were future embryo will formed. Blood vessel were first, observed on day 4 of incubation and as days on, as embryo increases in size, blood vessels increase as well. The point of embryo implantation is evident first; by formation of congested areas and most importantly, a single zone of circular red rim. This mark the point of implantation. Blood vessels of the wild helmeted guinea fowl develops from the surface of the egg yolk, which appears initially as small strips of line. Blood vessels connects to the site of embryo implantation on day 3 of incubation. Blood vessel is the first structure to be form prior to the manifestation of the embryo. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brain" title="brain">brain</a>, <a href="https://publications.waset.org/abstracts/search?q=development" title=" development"> development</a>, <a href="https://publications.waset.org/abstracts/search?q=helmeted" title=" helmeted"> helmeted</a>, <a href="https://publications.waset.org/abstracts/search?q=incubation" title=" incubation"> incubation</a> </p> <a href="https://publications.waset.org/abstracts/161480/pattern-of-blood-vessels-development-at-first-seven-days-of-incubation-of-the-wild-helmeted-guinea-fowl-numida-meleagris-galeata-gross-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">97</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">224</span> Grandiose Narcissists’ Adaptive Trade-Offs: Mating, Parental, and Somatic Investment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jasmine%20H.%20Gagnon">Jasmine H. Gagnon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study examined how grandiose narcissists make adaptive trade-offs between mating investment, parenting investment, and somatic investment relative to individuals without narcissistic personalities. A sample of 509 males and females between the ages of 24 and 35 years old (49.31% female) completed a personality inventory assessing Honesty-Humility, Emotionality, Extraversion, Agreeableness, Conscientiousness, and Openness to Experience. In a Latent Profile Analysis (LPA), personality inventory scores were used to classify participants into latent groups. The model of best fit identified one grandiose narcissist group and three groups with non-narcissistic personalities. Covariate analyses revealed that individuals with narcissistic traits made significantly more significant somatic investments in comparison to two of the three non-narcissistic latent groups. No other significant differences between the narcissistic and non-pathological groups were found. Thus, grandiose narcissists trade off parenting and mating investments to make more significant somatic investments. That is, they expend a larger portion of their energetic resources on maintaining their physical health and careers and similar quantities of energetic resources on maintaining relationships with their offspring and potential romantic partners as individuals without narcissistic personalities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=narcissism" title="narcissism">narcissism</a>, <a href="https://publications.waset.org/abstracts/search?q=grandiose%20narcissism" title=" grandiose narcissism"> grandiose narcissism</a>, <a href="https://publications.waset.org/abstracts/search?q=HEXACO" title=" HEXACO"> HEXACO</a>, <a href="https://publications.waset.org/abstracts/search?q=trade-offs" title=" trade-offs"> trade-offs</a>, <a href="https://publications.waset.org/abstracts/search?q=mating" title=" mating"> mating</a>, <a href="https://publications.waset.org/abstracts/search?q=parenting" title=" parenting"> parenting</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic" title=" somatic"> somatic</a>, <a href="https://publications.waset.org/abstracts/search?q=dark%20triad" title=" dark triad"> dark triad</a> </p> <a href="https://publications.waset.org/abstracts/157380/grandiose-narcissists-adaptive-trade-offs-mating-parental-and-somatic-investment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157380.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">223</span> Efficient Callus Induction and Plant Regeneration from Mature Embryo Culture of Barley (Hordeum vulgare L.) Genotypes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M%C3%BCn%C3%BCre%20Tanur%20Erkoyuncu">Münüre Tanur Erkoyuncu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Yorganc%C4%B1lar"> Mustafa Yorgancılar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Crop improvement through genetic engineering depends on effective and reproducible plant regeneration systems. Immature embryos are the most widely used explant source for <em>in vitro</em> regeneration in barley (<em>Hordeum vulgare</em> L.). However, immature embryos require the continuous growth of donor plants and the suitable stage for their culture is also certainly limited. On the other hand, mature embryos can be procured and stored easily; they can be studied throughout the year. In this study, an effective callus induction and plant regeneration were aimed to develop from mature embryos of different barley genotypes. The effect of medium (MS<sub>1</sub> and MS<sub>2</sub>), auxin type (2,4-D, dicamba, picloram and 2,4,5-T) and concentrations (2, 4, 6 mg/l) on callus formation and effect of cytokinin type (TDZ, BAP) and concentrations (0.2, 0.5, 1.0 mg/l) on green plant regeneration were evaluated in mature embryo culture of barley. Callus and shoot formation was successful for all genotypes. By depending on genotype, MS<sub>1 </sub>is the best medium, 4 mg/l dicamba is the best growth regulator in the callus induction and MS<sub>1 </sub>is the best medium, 1 mg/l BAP is the best growth regulator in the shoot formation were determined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barley" title="barley">barley</a>, <a href="https://publications.waset.org/abstracts/search?q=callus" title=" callus"> callus</a>, <a href="https://publications.waset.org/abstracts/search?q=embryo%20culture" title=" embryo culture"> embryo culture</a>, <a href="https://publications.waset.org/abstracts/search?q=mature%20embryo" title=" mature embryo"> mature embryo</a> </p> <a href="https://publications.waset.org/abstracts/49872/efficient-callus-induction-and-plant-regeneration-from-mature-embryo-culture-of-barley-hordeum-vulgare-l-genotypes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49872.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">327</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">222</span> Anticataract Activity of Betulinic Acid in Chick Embryo Lens Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Surendra%20Bodakhe">Surendra Bodakhe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this investigation, anticataract activity was determined using cataract formation in developing chick embryo by hydrocortisone. Lenses were evaluated firstly for the extent of opacity and secondly, for lens glutathione (GSH) levels. Betulinic acid was isolated from the chloroform fraction of the crude ethanolic extract of Bauhinia variegata bark (SBE). Fourteen days old Australorp fertilized eggs were divided into different groups of six eggs each. After 24 hrs incubation in a humidified incubator (37οC), at 15 days of age; hydrocortisone (0.25µM/0.2ml/egg) was administered to the chorioallantoic membrane of chick embryos through a small hole in the egg shell on the air sack. Ascorbic acid (standard) or Betulinic acid (test) were administered at 3, 10 and 20 hr after hydrocortisone administration at a specified dose. The puncture was sealed with a cellophane tape and eggs were incubated for 48 hrs in a humidified incubator at 37οC. After 48 hrs, the lenses were isolated for the determination of the extent of opacity and Glutathione level. The betulinic acid prevented the opacification of the chick embryo lenses induced by hydrocortisone. The betulinic acid also prevented the decline of GSH content caused by hydrocortisone. The results indicate that betulinic acid protect the cataract formation in chick embryo lenses induced by hydrocortisone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=betulinic%20acid" title="betulinic acid">betulinic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=cataract" title=" cataract"> cataract</a>, <a href="https://publications.waset.org/abstracts/search?q=cloudiness" title=" cloudiness"> cloudiness</a>, <a href="https://publications.waset.org/abstracts/search?q=ovine" title=" ovine "> ovine </a> </p> <a href="https://publications.waset.org/abstracts/1353/anticataract-activity-of-betulinic-acid-in-chick-embryo-lens-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1353.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">344</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">221</span> The Effect of Goal Setting on Psychological Status and Freestyle Swimming Performance in Young Competitive Swimmers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sofiene%20Amara">Sofiene Amara</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ali%20Bahri"> Mohamed Ali Bahri</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabri%20Gaied%20Chortane"> Sabri Gaied Chortane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to examine the effect of personal goal setting on psychological parameters (cognitive anxiety, somatic anxiety, and self-confidence) and the 50m freestyle performance. 30 young swimmers participated in this investigation, and was divided into three groups, the first group (G1, n = 10, 14 ± 0.7 years old) was prepared for the competition without a fixed target (method 1), the second group (G2, n = 10, 14 ± 0.9 years old) was oriented towards a vague goal 'Do your best' (method 2), while the third group (G3, n = 10, 14 ± 0, 5 years old) was invited to answer a goal that is difficult to reach according to a goal-setting interval (GST) (method 3). According to the statistical data of the present investigation, the cognitive and somatic anxiety scores in G1 and G3 were higher than in G2 (G1-G2, G3-G2: cognitive anxiety, P = 0.000, somatic anxiety: P = 0.000 respectively). On the other hand, the self-confidence score was lower in G1 compared with the other two groups (G1-G2, G3-G2: P = 0.02, P = 0.03 respectively). Our assessment also shows that the 50m freestyle time performance was improved better by method 3 (pre and post-Test: P = 0.006, -2.5sec, 7.83%), than by method 2 (pre and Post-Test: P = 0.03; -1sec; 3.24%), while, performance remained unchanged in G1 (P > 0.05). To conclude, the setting of a difficult goal by GST is more effective to improve the chronometric performance in the 50m freestyle, but at the same time increased the values of the cognitive and somatic anxiety. For this, the mental trainers and the staff technical, invited to develop models of mental preparation associated with this method of setting a goal to help swimmers on the psychological level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20anxiety" title="cognitive anxiety">cognitive anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=goal%20setting" title=" goal setting"> goal setting</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20of%20swimming%20freestyle" title=" performance of swimming freestyle"> performance of swimming freestyle</a>, <a href="https://publications.waset.org/abstracts/search?q=self-confidence" title=" self-confidence"> self-confidence</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20anxiety" title=" somatic anxiety"> somatic anxiety</a> </p> <a href="https://publications.waset.org/abstracts/111412/the-effect-of-goal-setting-on-psychological-status-and-freestyle-swimming-performance-in-young-competitive-swimmers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111412.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">129</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">220</span> Understanding Embryology in Promoting Peace Leadership: A Document Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vasudev%20Das">Vasudev Das</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The specific problem is that many leaders of the 21st century do not understand that the extermination of embryos wreaks havoc on peace leadership. The purpose of the document review is to understand embryology in facilitating peace leadership. Extermination of human embryos generates a requital wave of violence which later falls on human society in the form of disturbances, considering that violence breeds further violence as a consequentiality. The study results reveal that a deep understanding of embryology facilitates peace leadership, given that minimizing embryo extermination enhances non-violence in the global village. Neo-Newtonians subscribe to the idea that every action has an equal and opposite reaction. The US Federal Government recognizes the embryo or fetus as a member of Homo sapiens. The social change implications of this study are that understanding human embryology promotes peace leadership, considering that the consequentiality of embryo extermination can serve as a deterrent for violence on embryos. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=consequentiality" title="consequentiality">consequentiality</a>, <a href="https://publications.waset.org/abstracts/search?q=Homo%20sapiens" title=" Homo sapiens"> Homo sapiens</a>, <a href="https://publications.waset.org/abstracts/search?q=neo-Newtonians" title=" neo-Newtonians"> neo-Newtonians</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a> </p> <a href="https://publications.waset.org/abstracts/137887/understanding-embryology-in-promoting-peace-leadership-a-document-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137887.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">136</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">219</span> Pregnancy and Birth Outcomes of Single versus Multiple Embryo Transfer in Gestational Surrogacy Arrangements: A Systematic Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jutharat%20Attawet">Jutharat Attawet</a>, <a href="https://publications.waset.org/abstracts/search?q=Alex%20Y.%20Wang"> Alex Y. Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Cindy%20M.%20Farquhar"> Cindy M. Farquhar</a>, <a href="https://publications.waset.org/abstracts/search?q=Elizabeth%20A.%20Sullivan"> Elizabeth A. Sullivan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Adverse maternal and perinatal outcomes of multiple pregnancies resulting from multiple embryo transfers (ET) has become significant concerns. This is particularly relevant for gestational carriers since they usually do not have infertility issues. Single embryo transfer (SET) therefore has been encouraged to assist reproductive technology (ART) practice in order to reduce multiple pregnancies. Objectives: This systematic review aims to investigate the pregnancy and birth outcomes of SET and multiple ET in surrogacy arrangements. Search methods: This study is a systematic review. Electronic databases were searched from CINAHL, Medline, Embase, Scopus and ProQuest for studies from 1980 to 2017. Cross-references and national ART reports were also manual searchings. Articles without restriction of English language and study types were accessed. Carrier cycles involving in SET and multiple ET were identified in database searching. The main outcome measures including clinical pregnancy, live delivery and multiple deliveries per gestational carrier cycle were compared between SET and multiple ET. Mantel-Haenzel risk ratios (RRs) with 95% confidence intervals (CIs), using the numbers of outcome events in SET and multiple ET of each study were calculated suing RevMan5.3. Outcomes: The search returned 97 articles of which 5 met the inclusion criteria. Approximately 50% of carrier cycles were transferred a single embryo and 50% were transferred more than one embryo. The clinical pregnancy rate (CPR) was 39% for SET and 53% for multiple ET, which was not significantly different with RR = 0.83 (95% CI: 0.67-1.03). The live delivery rate was 33% for SET and 57% for multiple ET which was not significantly different with RR = 0.78 (95% CI: 0.61-1.00). The multiple delivery rate per carrier was greater risks in the multiple ET carrier cycles (RR =0.4, 95% CI: 0.01-0.26). There were 104 sets of twins (including one set of twins selectively reduced from triplets to twins) and 1 set of triples in the multiple ET carrier cycle. In the SET carrier cycles, there were 2 sets of twins. Significance of the study: SET should be advocated among surrogate carriers to prevent multiple pregnancies and subsequent adverse outcomes for both carrier and baby. Surrogacy practice should be reviewed and surrogate carriers should be fully informed of the risk of adverse maternal and birth outcome of multiple pregnancies due to multiple embryo transfers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assisted%20reproduction" title="assisted reproduction">assisted reproduction</a>, <a href="https://publications.waset.org/abstracts/search?q=birth%20outcomes" title=" birth outcomes"> birth outcomes</a>, <a href="https://publications.waset.org/abstracts/search?q=carrier" title=" carrier"> carrier</a>, <a href="https://publications.waset.org/abstracts/search?q=gestational%20surrogacy" title=" gestational surrogacy"> gestational surrogacy</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20embryo%20transfer" title=" multiple embryo transfer"> multiple embryo transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20pregnancy" title=" multiple pregnancy"> multiple pregnancy</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnancy%20outcomes" title=" pregnancy outcomes"> pregnancy outcomes</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20embryo%20transfer" title=" single embryo transfer"> single embryo transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=surrogate%20mother" title=" surrogate mother"> surrogate mother</a>, <a href="https://publications.waset.org/abstracts/search?q=systematic%20review" title=" systematic review"> systematic review</a> </p> <a href="https://publications.waset.org/abstracts/97795/pregnancy-and-birth-outcomes-of-single-versus-multiple-embryo-transfer-in-gestational-surrogacy-arrangements-a-systematic-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97795.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">404</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">218</span> Plant Regeneration via Somatic Embryogenesis and Agrobacterium-Mediated Transformation in Alfalfa (Medicago sativa L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sarwan%20Dhir">Sarwan Dhir</a>, <a href="https://publications.waset.org/abstracts/search?q=Suma%20Basak"> Suma Basak</a>, <a href="https://publications.waset.org/abstracts/search?q=Dipika%20Parajulee"> Dipika Parajulee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alfalfa is renowned for its nutritional and biopharmaceutical value as a perennial forage legume. However, establishing a rapid plant regeneration protocol using somatic embryogenesis and efficient transformation frequency are the crucial prerequisites for gene editing in alfalfa. This study was undertaken to establish and improve the protocol for somatic embryogenesis and subsequent plant regeneration. The experiments were conducted in response to natural sensitivity using various antibiotics such as cefotaxime, carbenicillin, gentamycin, hygromycin, and kanamycin. Using 3-week-old leaf tissue, somatic embryogenesis was initiated on Gamborg’s B5 basal (B5H) medium supplemented with 3% maltose, 0.9µM Kinetin, and 4.5µM 2,4-D. Embryogenic callus (EC) obtained from the B5H medium exhibited a high rate of somatic embryo formation (97.9%) after 3 weeks when the cultures were placed in the dark. Different developmental stages of somatic embryos and cotyledonary stages were then transferred to Murashige and Skoog’s (MS) basal medium under light, resulting in a 94% regeneration rate of plantlets. Our results indicate that leaf segments can grow (tolerate) up to 450 mg/L of cefotaxime and 400 mg/L of carbenicillin in the culture medium. However, the survival threshold for hygromycin at 12.5 mg/L, kanamycin at 250 mg/L, gentamycin at 50 mg/L, and timentin (300 mg/L). The experiment to improve the protocol for achieving efficient transient gene expression in alfalfa through genetic transformation with the Agrobacterium tumefaciens pCAMBIA1304 vector was also conducted. The vector contains two reporter genes such as β-glucuronidase (GUS) and green fluorescent protein (GFP), along with a selectable hygromycin B phosphotransferase gene (HPT), all driven under the CaMV 35s promoter. Various transformation parameters were optimized using 3-week-old in vitro-grown plantlets. The different parameters such as types of explant, leaf ages, preculture days, segment sizes, wounding types, bacterial concentrations, infection periods, co-cultivation periods, different concentrations of acetosyringone, silver nitrate, and calcium chloride were optimized for transient gene expression. The transient gene expression was confirmed via histochemical GUS and GFP visualization under fluorescent microscopy. The data were analyzed based on the semi-quantitative observation of the percentage and number of blue GUS spots on different days of agro-infection. The highest percentage of GUS positivity (76.2%) was observed in 3-week-old leaf segments wounded using a scalpel blade of 11 size- after 3 days of post-incubation at a bacterial concentration of 0.6, with 2 days of preculture, 30 min of bacterial-leaf segment co-cultivation, with the addition of 150 µM acetosyringone, 4 mM calcium chloride, and 75 µM silver nitrate. Our results suggest that various factors influence T-DNA delivery in the Agrobacterium-mediated transformation of alfalfa. The stable gene expression in the putative transgenic tissue was confirmed using PCR amplification of both marker genes, indicating that gene expression in explants was not solely due to Agrobacterium, but also from transformed cells. The improved protocol could be used for generating transgenic alfalfa plants using genome editing techniques such as CRISPR/Cas9. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Medicago%20sativa%20l.%20%28Alfalfa%29" title="Medicago sativa l. (Alfalfa)">Medicago sativa l. (Alfalfa)</a>, <a href="https://publications.waset.org/abstracts/search?q=agrobacterium%20tumefaciens" title=" agrobacterium tumefaciens"> agrobacterium tumefaciens</a>, <a href="https://publications.waset.org/abstracts/search?q=%CE%B2-glucuronidase" title=" β-glucuronidase"> β-glucuronidase</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20fluorescent%20protein" title=" green fluorescent protein"> green fluorescent protein</a>, <a href="https://publications.waset.org/abstracts/search?q=transient%20gene" title=" transient gene"> transient gene</a> </p> <a href="https://publications.waset.org/abstracts/193468/plant-regeneration-via-somatic-embryogenesis-and-agrobacterium-mediated-transformation-in-alfalfa-medicago-sativa-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193468.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">11</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">217</span> Neuromarketing: Discovering the Somathyc Marker in the Consumer´s Brain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikel%20Alonso%20L%C3%B3pez">Mikel Alonso López</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20Francisca%20Blasco%20L%C3%B3pez"> María Francisca Blasco López</a>, <a href="https://publications.waset.org/abstracts/search?q=V%C3%ADctor%20Molero%20Ayala"> Víctor Molero Ayala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study explains the somatic marker theory of Antonio Damasio, which indicates that when making a decision, the stored or possible future scenarios (future memory) images allow people to feel for a moment what would happen when they make a choice, and how this is emotionally marked. This process can be conscious or unconscious. The development of new Neuromarketing techniques such as functional magnetic resonance imaging (fMRI), carries a greater understanding of how the brain functions and consumer behavior. In the results observed in different studies using fMRI, the evidence suggests that the somatic marker and future memories influence the decision-making process, adding a positive or negative emotional component to the options. This would mean that all decisions would involve a present emotional component, with a rational cost-benefit analysis that can be performed later. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=emotions" title="emotions">emotions</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title=" decision making"> decision making</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20marker" title=" somatic marker"> somatic marker</a>, <a href="https://publications.waset.org/abstracts/search?q=consumer%C2%B4s%20brain" title=" consumer´s brain"> consumer´s brain</a> </p> <a href="https://publications.waset.org/abstracts/44849/neuromarketing-discovering-the-somathyc-marker-in-the-consumers-brain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">404</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">216</span> Enhancement of Morphogenetic Potential to Obtain Elite Varities of Sauropus androgynous (L.) Merr. through Somatic Embryogenesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Padma">S. Padma</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20H.%20Tejavathi"> D. H. Tejavathi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Somatic embryogenesis is a remarkable illustration of the dictum of plant totipotency where developmental reconstruction of somatic cells takes place towards the embryogenic pathway. It recapitulates the morphological and developmental process that occurs in zygotic embryogenesis. S. androgynous commonly called as multivitamin plant. The leaves are consumed as green leafy vegetable by the Southeast Asian communities due to their rich nutritional profile. Despite being a good nutritional vegetable with proteins, vitamins, minerals, amino acids, it is warned for excessive intake due to the presence of alkoloid called papaverine. Papaverine at higher concentrations is toxic and leads to a syndrome called Bronchiolitis Obliterans. In the present study, morphogenetic potential of shoot tip, leaf and nodal explants of Sauropus androgynous was investigated to develop and enhance the reliable plant regeneration protocol via somatic embryogenesis. Somatic embryos were derived directly from the embryogenic callus derived from shoot tip, node and leaf cultures on Phillips and Collins (L2) medium supplemented with NAA at various concentrations ranging from 5.3 µM/l to 26.85 µM/l within two months of inoculation. Thus obtained embryos were sub cultured to modified L2 media supplemented with increased vitamin level for the further growth. Somatic embryos with well-developed cotyledons were transferred to normal and modified L2 basal medium for conversion. The plantlets thus obtained were subjected to brief acclimatization before transferring them to land. About 95% of survival rate was recorded. The augmentation process of culturing various explants through somatic embryogenesis using synthetic medium with various plant growth regulators under controlled conditions have aggrandized the commercial production of Sauropus making it easily available over the conventional propagation methods. In addition, regeneration process through somatic embryogenesis has ameliorated the development of desired character in Sauropus with low papaverine content thereby providing a valuable resource to the food and pharmaceutical industry. Based on this research, plant tissue culture techniques have shown promise for economical and convenient application in Sauropus androgynous breeding. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=L2%20medium" title="L2 medium">L2 medium</a>, <a href="https://publications.waset.org/abstracts/search?q=multivitamin%20plant" title=" multivitamin plant"> multivitamin plant</a>, <a href="https://publications.waset.org/abstracts/search?q=NAA" title=" NAA"> NAA</a>, <a href="https://publications.waset.org/abstracts/search?q=papaverine" title=" papaverine"> papaverine</a> </p> <a href="https://publications.waset.org/abstracts/76255/enhancement-of-morphogenetic-potential-to-obtain-elite-varities-of-sauropus-androgynous-l-merr-through-somatic-embryogenesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76255.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">207</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">215</span> Induction of Different Types of Callus and Somatic Embryogenesis in Various Explants of Taraxacum Kok-Saghyz Rodin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kairat%20Uteulin">Kairat Uteulin</a>, <a href="https://publications.waset.org/abstracts/search?q=Azhar%20Iskakova"> Azhar Iskakova</a>, <a href="https://publications.waset.org/abstracts/search?q=Serik%20Mukhambetzhanov"> Serik Mukhambetzhanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Bayan%20Yesbolayeva"> Bayan Yesbolayeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabit%20Bari"> Gabit Bari</a>, <a href="https://publications.waset.org/abstracts/search?q=Aslan%20Zheksenbai"> Aslan Zheksenbai</a>, <a href="https://publications.waset.org/abstracts/search?q=Kabyl%20Zhambakin"> Kabyl Zhambakin</a>, <a href="https://publications.waset.org/abstracts/search?q=Chingis%20Dzhabykbayev"> Chingis Dzhabykbayev</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Piven"> Vladimir Piven</a>, <a href="https://publications.waset.org/abstracts/search?q=Izbasar%20Rakhimbaiev"> Izbasar Rakhimbaiev </a> </p> <p class="card-text"><strong>Abstract:</strong></p> To explore the potential for in vitro rapid regeneration of Russian dandelion (Taraxacum kok-saghyz Rodin), different concentrations of 6-Benzylaminopurine (BAP), 2,4-Dichlorophenoxyacetic acid (2.4-D) and BAP combined with Indole-3-acetic acid (IAA) were evaluated for their effects on the induction of somatic embryos from leaf, seed stem and root explants. Different explants were cultured on MS medium supplemented with various concentrations (0, 0.5, 1, 1.5, 2, 2.5 and 3 mg/l) of each kind of hormone. Callus induction percentage, fresh weight, color and texture of the callus were assessed after 14 and 28 days of culture. The optimum medium for the proliferation of embryogenic calli from leaf and root explants was MS supplemented with 2.5 mg/L BAP and 0.5 mg/L 2.4-D. Concentrations of 2.5 mg/L BAP and 1.5 mg/L IAA also had a remarkable effect on root and stem explants. The best concentration to produce callus from stem explants was 0.5 mg/L BAP and 1 mg/L IAA. Results of mean comparison showed that BAP and 2.4-D were more effective on different explants than BAP and IAA. Results of the double staining method proved that somatic embryogenesis occurred in the most concentrations of BAP and 2.4-D. Under microscopic observations, the different developmental stages of the embryos (globular, heart, torpedo and cotyledonary) were revealed together in callus cells, indicating that the most tested hormone combinations were effective for somatic embryogenesis formation in this species. Seed explants formed torpedo and cotyledonary stages faster than leaf and root explants in the most combinations. Most calli from seed explants were cream colored and friable, while calli were compact and light green from leaf and root explants. Some combinations gave direct regeneration and (3 mg/L BAP and 2 mg/L IAA) in seed explants and (0.5 mg/L BAP and 2.5 mg/L IAA) in leaf explants had the highest number of shoots with average of 21 and 27 shoots per callus. The developed protocol established the production of different callus types from seed, leaf, and root explants and plant regeneration through somatic embryogenesis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=taraxacum%20kok-saghyz%20Rodin" title="taraxacum kok-saghyz Rodin">taraxacum kok-saghyz Rodin</a>, <a href="https://publications.waset.org/abstracts/search?q=callus" title=" callus"> callus</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20embryogenesis" title=" somatic embryogenesis"> somatic embryogenesis</a> </p> <a href="https://publications.waset.org/abstracts/28232/induction-of-different-types-of-callus-and-somatic-embryogenesis-in-various-explants-of-taraxacum-kok-saghyz-rodin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28232.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">372</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">214</span> Expression of Micro RNAs in the Liver Tissue of Mice Generated through in vitro Embryo Culture and Embryo Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%B6ksel%20Do%C4%9Fan">Göksel Doğan</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20%C3%96zt%C3%BCrk"> Murat Öztürk</a>, <a href="https://publications.waset.org/abstracts/search?q=Didar%20Tu%C4%9F%C3%A7e%20Karakulak"> Didar Tuğçe Karakulak</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Nurullah%20Orman"> Mehmet Nurullah Orman</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Sylvius"> Nicolas Sylvius</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20Blades"> Matthew Blades</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Sand%C4%B1k%C3%A7%C4%B1"> Mustafa Sandıkçı</a>, <a href="https://publications.waset.org/abstracts/search?q=Cengiz%20%C3%9Cnsal"> Cengiz Ünsal</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehtap%20K%C4%B1l%C4%B1%C3%A7%20Eren"> Mehtap Kılıç Eren</a>, <a href="https://publications.waset.org/abstracts/search?q=Funda%20K%C4%B1ral"> Funda Kıral</a>, <a href="https://publications.waset.org/abstracts/search?q=Levent%20Karagen%C3%A7"> Levent Karagenç</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Assisted reproduction is associated with impaired glucose metabolism in adulthood. miRNAs are key regulators of glucose metabolism. Whether embryo culture and/or transfer alters the expression of miRNAs and to what extent this process affects glucose metabolism remain largely unknown. The purpose of the present study was to examine the expression of miRNAs in the liver in mice obtained by the transfer of blastocysts. The study was comprised of an experimental (EG) and a control group (CG). EG was generated by embryo transfer to pseudo-pregnant females. Mice born from naturally ovulating females were used as the CG. Differential expression of miRNAs, blood glucose, plasma insulin, liver glycogen, and activities of some of the rate-limiting enzymes involved in glucose metabolism were determined at ten weeks of age. Blood glucose, plasma insulin, and glycogen concentrations were similar between the groups in both sexes. Activities of enzymes were similar among females. EG males had significantly less glucokinase and phosphofructokinase activity compared to CG males. None of the miRNAs were differentially expressed in males. On the other hand, miR-143-3p expression was upregulated in EG females. Expression of none of the genes targeted by miR143-3p differed between the groups. These results demonstrate that miR143-3p, a novel regulator of type 2 diabetes, is upregulated in mice generated by assisted reproduction in a sexually-dimorphic manner with no apparent effect on glucose and insulin levels at ten weeks of age. It remains to be determined if this process is associated with impaired glucose homeostasis in the long term. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assisted%20reproduction" title="assisted reproduction">assisted reproduction</a>, <a href="https://publications.waset.org/abstracts/search?q=blastocyst" title=" blastocyst"> blastocyst</a>, <a href="https://publications.waset.org/abstracts/search?q=embryo%20culture" title=" embryo culture"> embryo culture</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose%20metabolism" title=" glucose metabolism"> glucose metabolism</a>, <a href="https://publications.waset.org/abstracts/search?q=miR143-3p" title=" miR143-3p"> miR143-3p</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen" title=" oxygen"> oxygen</a> </p> <a href="https://publications.waset.org/abstracts/158072/expression-of-micro-rnas-in-the-liver-tissue-of-mice-generated-through-in-vitro-embryo-culture-and-embryo-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">186</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">‹</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=somatic%20embryo&page=2" rel="next">›</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div 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