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receptor</title> <meta name="description" content="Search results for: toll-like receptor"> <meta name="keywords" content="toll-like receptor"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="toll-like receptor"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 496</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: toll-like receptor</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">496</span> Signaling of Leucine-Rich-Repeat Receptor-Like Kinases in Higher Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Man-Ho%20Oh">Man-Ho Oh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Membrane localized Leucine-Rich-Repeat Receptor-Like Kinases (LRR-RLKs) play crucial roles in plant growth and abiotic/biotic stress responses in higher plants including Arabidopsis and Brassica species. Among several Receptor-Like Kinases (RLKs), Leucine-Rich-Repeat Receptor-Like-Kinases (LRR-RLKs) are the major group of genes that play crucial roles related to growth, development and stress conditions in plant system. Since it is involved in several functional roles, it seems to be very important to investigate their roles in higher plants. We are particularly interested in brassinosteroid (BR) signaling, which is mediated by the BRASSINOSTEROID INSENSITIVE 1 (BRI1) receptor kinase and its co-receptor, BRI1-ASSOCIATED KINASE 1 (BAK1). Autophosphorylation of receptor kinases is recognized to be an important process in activation of signaling in higher plants. Although the plant receptors are generally classified as Ser/Thr protein kinases, many other receptor kinases including BRI1 and BAK1 are shown to autophosphorylate on Tyr residues in addition to Ser/Thr. As an interesting result, we determined that several 14-3-3 regulatory proteins bind to BRI1-CD and are phosphorylated by several receptor kinases in vitro, suggesting that BRI1 is critical for diverse signaling. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autophosphorylation" title="autophosphorylation">autophosphorylation</a>, <a href="https://publications.waset.org/abstracts/search?q=brassinosteroid" title=" brassinosteroid"> brassinosteroid</a>, <a href="https://publications.waset.org/abstracts/search?q=BRASSINOSTEROID%20INSENSITIVE%201" title=" BRASSINOSTEROID INSENSITIVE 1"> BRASSINOSTEROID INSENSITIVE 1</a>, <a href="https://publications.waset.org/abstracts/search?q=BRI1-ASSOCIATED%20KINASE%201" title=" BRI1-ASSOCIATED KINASE 1"> BRI1-ASSOCIATED KINASE 1</a>, <a href="https://publications.waset.org/abstracts/search?q=Leucine-Rich-Repeat%20Receptor-Like%20Kinases%20%28LRR-RLKs%29" title=" Leucine-Rich-Repeat Receptor-Like Kinases (LRR-RLKs)"> Leucine-Rich-Repeat Receptor-Like Kinases (LRR-RLKs)</a> </p> <a href="https://publications.waset.org/abstracts/76545/signaling-of-leucine-rich-repeat-receptor-like-kinases-in-higher-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76545.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">224</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">495</span> Conformational Switch of hRAGE upon Self-Association</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ikhlas%20Ahmed">Ikhlas Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Jamillah%20Zamoon"> Jamillah Zamoon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The human receptor for advanced glycation end product is a plasma membrane receptor with an intrinsically disordered region. The protein consists of three extracellular domains, a single membrane spanning transmembrane domain, and a cytosolic domain which is intrinsically disordered and responsible for signaling. The disordered nature of the cytosolic domain allows it to be dynamic in solution. This receptor self-associates to higher forms. The association is triggered by ligand, metal or by the extracellular domain. Fluorescence spectroscopy technique is used to test the self-association of the different concentrations of the cytosolic domain. This work has concluded that the cytosolic domain of this receptor also self-associates. Moreover, the self-association does not require ligand or metal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluorescence%20spectroscopy" title="fluorescence spectroscopy">fluorescence spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=hRAGE" title=" hRAGE"> hRAGE</a>, <a href="https://publications.waset.org/abstracts/search?q=IDP" title=" IDP"> IDP</a>, <a href="https://publications.waset.org/abstracts/search?q=Self-association" title=" Self-association"> Self-association</a> </p> <a href="https://publications.waset.org/abstracts/44509/conformational-switch-of-hrage-upon-self-association" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44509.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">361</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">494</span> Using of Bimolecular Fluorescence Complementation (BiFC) Assays to Study Homo and/ or Heterodimerization of Laminin Receptor 37 LRP/ 67 LR with Galectin-3</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fulwah%20Alqahtani">Fulwah Alqahtani</a>, <a href="https://publications.waset.org/abstracts/search?q=Jafar%20Mahdavi"> Jafar Mahdavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Weldon"> Lee Weldon</a>, <a href="https://publications.waset.org/abstracts/search?q=Nick%20Holliday"> Nick Holliday</a>, <a href="https://publications.waset.org/abstracts/search?q=Dlawer%20Ala%27Aldeen"> Dlawer Ala'Aldeen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are two isoforms of laminin receptor; monomeric 37 kDa laminin receptor precursor (37 LRP) and mature 67 kDa laminin receptor (67 LR). The relationship between the 67 LR and its precursor 37 LRP is not completely understood, but previous observations have suggested that 37 LRP can undergo homo- and/or hetero- dimerization with Galectin-3 (Gal-3) to form mature 67 LR. Gal-3 is the only member of the chimera-type group of galectins, and has one C-terminal carbohydrate recognition domain (CRD) that is responsible for binding the ß-galactoside moieties of mono- or oligosaccharides on several host and microbial molecules. The aim of this work was to investigate homo- and hetero-dimerization among the 37 LRP and Gal-3 to form mature 67 LR in mammalian cells using bimolecular fluorescence complementation (BiFC). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=37%20LRP" title="37 LRP">37 LRP</a>, <a href="https://publications.waset.org/abstracts/search?q=67%20LR" title=" 67 LR"> 67 LR</a>, <a href="https://publications.waset.org/abstracts/search?q=Gal-3" title=" Gal-3"> Gal-3</a>, <a href="https://publications.waset.org/abstracts/search?q=BiFC" title=" BiFC"> BiFC</a> </p> <a href="https://publications.waset.org/abstracts/15423/using-of-bimolecular-fluorescence-complementation-bifc-assays-to-study-homo-and-or-heterodimerization-of-laminin-receptor-37-lrp-67-lr-with-galectin-3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15423.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">504</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">493</span> Role of Imaging in Predicting the Receptor Positivity Status in Lung Adenocarcinoma: A Chapter in Radiogenomics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sonal%20Sethi">Sonal Sethi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukesh%20Yadav"> Mukesh Yadav</a>, <a href="https://publications.waset.org/abstracts/search?q=Abhimanyu%20Gupta"> Abhimanyu Gupta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The upcoming field of radiogenomics has the potential to upgrade the role of imaging in lung cancer management by noninvasive characterization of tumor histology and genetic microenvironment. Receptor positivity like epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) genotyping are critical in lung adenocarcinoma for treatment. As conventional identification of receptor positivity is an invasive procedure, we analyzed the features on non-invasive computed tomography (CT), which predicts the receptor positivity in lung adenocarcinoma. Retrospectively, we did a comprehensive study from 77 proven lung adenocarcinoma patients with CT images, EGFR and ALK receptor genotyping, and clinical information. Total 22/77 patients were receptor-positive (15 had only EGFR mutation, 6 had ALK mutation, and 1 had both EGFR and ALK mutation). Various morphological characteristics and metastatic distribution on CT were analyzed along with the clinical information. Univariate and multivariable logistic regression analyses were used. On multivariable logistic regression analysis, we found spiculated margin, lymphangitic spread, air bronchogram, pleural effusion, and distant metastasis had a significant predictive value for receptor mutation status. On univariate analysis, air bronchogram and pleural effusion had significant individual predictive value. Conclusions: Receptor positive lung cancer has characteristic imaging features compared with nonreceptor positive lung adenocarcinoma. Since CT is routinely used in lung cancer diagnosis, we can predict the receptor positivity by a noninvasive technique and would follow a more aggressive algorithm for evaluation of distant metastases as well as for the treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lung%20cancer" title="lung cancer">lung cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=multidisciplinary%20cancer%20care" title=" multidisciplinary cancer care"> multidisciplinary cancer care</a>, <a href="https://publications.waset.org/abstracts/search?q=oncologic%20imaging" title=" oncologic imaging"> oncologic imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=radiobiology" title=" radiobiology"> radiobiology</a> </p> <a href="https://publications.waset.org/abstracts/129528/role-of-imaging-in-predicting-the-receptor-positivity-status-in-lung-adenocarcinoma-a-chapter-in-radiogenomics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129528.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">492</span> Produced Gas Conversion of Microwave Carbon Receptor Reforming</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young%20Nam%20Chun">Young Nam Chun</a>, <a href="https://publications.waset.org/abstracts/search?q=Mun%20Sup%20Lim"> Mun Sup Lim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon dioxide and methane, the major components of biomass pyrolysis/gasification gas and biogas, top the list of substances that cause climate change, but they are also among the most important renewable energy sources in modern society. The purpose of this study is to convert carbon dioxide and methane into high-quality energy using char and commercial activated carbon obtained from biomass pyrolysis as a microwave receptor. The methane reforming process produces hydrogen and carbon. This carbon is deposited in the pores of the microwave receptor and lowers catalytic activity, thereby reducing the methane conversion rate. The deposited carbon was removed by carbon gasification due to the supply of carbon dioxide, which solved the problem of microwave receptor inactivity. In particular, the conversion rate remained stable at over 90% when the ratio of carbon dioxide to methane was 1:1. When the reforming results of carbon dioxide and methane were compared after fabricating nickel and iron catalysts using commercial activated carbon as a carrier, the conversion rate was higher in the iron catalyst than in the nickel catalyst and when no catalyst was used.  <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microwave" title="microwave">microwave</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20reforming" title=" gas reforming"> gas reforming</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse%20gas" title=" greenhouse gas"> greenhouse gas</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave%20receptor" title=" microwave receptor"> microwave receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=catalyst" title=" catalyst"> catalyst</a> </p> <a href="https://publications.waset.org/abstracts/77831/produced-gas-conversion-of-microwave-carbon-receptor-reforming" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77831.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">379</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">491</span> On the Thermodynamics of Biological Cell Adhesion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ben%20Nadler">Ben Nadler</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cell adhesion plays a vital role in many cell activities. The motivation to model cell adhesion is to study important biological processes, such as cell spreading, cell aggregation, tissue formation, and cell adhesion, which are very challenging to study by experimental methods alone. This study provides important insight into cell adhesion, which can lead to improve regenerative medicine and tissue formation techniques. In this presentation the biological cells adhesion is mediated by receptors–ligands binding and the diffusivity of the receptor on the cell membrane surface. The ability of receptors to diffuse on the cell membrane surface yields a very unique and complicated adhesion mechanism, which is exclusive to cells. The phospholipid bilayer, which is the main component in the cell membrane, shows fluid-like behavior associated with the molecules’ diffusivity. The biological cell is modeled as a fluid-like membrane with negligible bending stiffness enclosing the cytoplasm fluid. The in-plane mechanical behavior of the cell membrane is assumed to depend only on the area change, which is motivated by the fluidity of the phospholipid bilayer. In addition, the presence of receptors influences on the local mechanical properties of the cell membrane is accounted for by including stress-free area change, which depends on the receptor density. Based on the physical properties of the receptors and ligands the attraction between the receptors and ligands is modeled as a charged-nonpolar which is a noncovalent interaction. Such interaction is a short-range type, which decays fast with distance. The mobility of the receptor on the cell membrane is modeled using the diffusion equation and Fick’s law is used to model the receptor–receptor interactions. The resultant interaction force, which includes receptor–ligand and receptor–receptor interaction, is decomposed into tangential part, which governs the receptor diffusion, and normal part, which governs the cell deformation and adhesion. The formulation of the governing equations and numerical simulations will be presented. Analysis of the adhesion characteristic and properties are discussed. The roles of various thermomechanical properties of the cell, receptors and ligands on the cell adhesion are investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cell%20adhesion" title="cell adhesion">cell adhesion</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20membrane" title=" cell membrane"> cell membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=receptor-ligand%20interaction" title=" receptor-ligand interaction"> receptor-ligand interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=receptor%20diffusion" title=" receptor diffusion"> receptor diffusion</a> </p> <a href="https://publications.waset.org/abstracts/37546/on-the-thermodynamics-of-biological-cell-adhesion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37546.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">342</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">490</span> Study of Functional Relevant Conformational Mobility of β-2 Adrenoreceptor by Means of Molecular Dynamics Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20V.%20Novikov">G. V. Novikov</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20S.%20Sivozhelezov"> V. S. Sivozhelezov</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20S.%20Kolesnikov"> S. S. Kolesnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20V.%20Shaitan"> K. V. Shaitan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study reports about the influence of binding of orthosteric ligands as well as point mutations on the conformational dynamics of β-2-adrenoreceptor. Using molecular dynamics simulation we found that there was a little fraction of active states of the receptor in its apo (ligand free) ensemble corresponded to its constitutive activity. Analysis of MD trajectories indicated that such spontaneous activation of the receptor is accompanied by the motion in intracellular part of its alpha-helices. Thus receptor’s constitutive activity directly results from its conformational dynamics. On the other hand the binding of a full agonist resulted in a significant shift of the initial equilibrium towards its active state. Finally, the binding of the inverse agonist stabilized the receptor in its inactive state. It is likely that the binding of inverse agonists might be a universal way of constitutive activity inhibition in vivo. Our results indicate that ligand binding redistribute pre-existing conformational degrees of freedom (in accordance to the Monod-Wyman-Changeux-Model) of the receptor rather than cause induced fit in it. Therefore, the ensemble of biologically relevant receptor conformations is encoded in its spatial structure, and individual conformations from that ensemble might be used by the cell in conformity with the physiological behaviour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seven-transmembrane%20receptors" title="seven-transmembrane receptors">seven-transmembrane receptors</a>, <a href="https://publications.waset.org/abstracts/search?q=constitutive%20activity" title=" constitutive activity"> constitutive activity</a>, <a href="https://publications.waset.org/abstracts/search?q=activation" title=" activation"> activation</a>, <a href="https://publications.waset.org/abstracts/search?q=x-ray%20crystallography" title=" x-ray crystallography"> x-ray crystallography</a>, <a href="https://publications.waset.org/abstracts/search?q=principal%20component%20analysis" title=" principal component analysis"> principal component analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20dynamics%20simulation" title=" molecular dynamics simulation"> molecular dynamics simulation</a> </p> <a href="https://publications.waset.org/abstracts/5618/study-of-functional-relevant-conformational-mobility-of-v-2-adrenoreceptor-by-means-of-molecular-dynamics-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5618.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">257</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">489</span> Targeting Trypanosoma brucei Using Antibody Drug Conjugates against the Transferrin Receptor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camilla%20Trevor">Camilla Trevor</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20K.%20Higgins"> Matthew K. Higgins</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrea%20Gonzalez-Munoz"> Andrea Gonzalez-Munoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Carrington"> Mark Carrington</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trypanosomiasis is a devastating disease affecting both humans and livestock in sub-Saharan Africa. The diseases are caused by infection with African trypanosomes, protozoa transmitted by tsetse flies. Treatment currently relies on the use of chemotherapeutics with ghastly side effects. Here, we describe the development of effective antibody-drug conjugates that target the T. brucei transferrin receptor. The receptor is essential for trypanosome growth in a mammalian host but there are approximately 12 variants of the transferrin receptor in the genome. Two of the most divergent variants were used to generate recombinant monoclonal immunoglobulin G using phage display and we identified cross-reactive antibodies that bind both variants using phage ELISA, fluorescence resonance energy transfer assays and surface plasmon resonance. Fluorescent antibodies were used to demonstrate uptake into trypanosomes in culture. Toxin-conjugated antibodies were effective at killing trypanosomes at sub-nanomolar concentrations. The approach of using antibody-drug conjugates has proven highly effective. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibody-drug%20conjugates" title="antibody-drug conjugates">antibody-drug conjugates</a>, <a href="https://publications.waset.org/abstracts/search?q=phage%20display" title=" phage display"> phage display</a>, <a href="https://publications.waset.org/abstracts/search?q=transferrin%20receptor" title=" transferrin receptor"> transferrin receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=trypanosomes" title=" trypanosomes"> trypanosomes</a> </p> <a href="https://publications.waset.org/abstracts/99250/targeting-trypanosoma-brucei-using-antibody-drug-conjugates-against-the-transferrin-receptor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99250.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">155</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">488</span> An Unbiased Profiling of Immune Repertoire via Sequencing and Analyzing T-Cell Receptor Genes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yi-Lin%20Chen">Yi-Lin Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Sheng-Jou%20Hung"> Sheng-Jou Hung</a>, <a href="https://publications.waset.org/abstracts/search?q=Tsunglin%20Liu"> Tsunglin Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Adaptive immune system recognizes a wide range of antigens via expressing a large number of structurally distinct T cell and B cell receptor genes. The distinct receptor genes arise from complex rearrangements called V(D)J recombination, and constitute the immune repertoire. A common method of profiling immune repertoire is via amplifying recombined receptor genes using multiple primers and high-throughput sequencing. This multiplex-PCR approach is efficient; however, the resulting repertoire can be distorted because of primer bias. To eliminate primer bias, 5’ RACE is an alternative amplification approach. However, the application of RACE approach is limited by its low efficiency (i.e., the majority of data are non-regular receptor sequences, e.g., containing intronic segments) and lack of the convenient tool for analysis. We propose a computational tool that can correctly identify non-regular receptor sequences in RACE data via aligning receptor sequences against the whole gene instead of only the exon regions as done in all other tools. Using our tool, the remaining regular data allow for an accurate profiling of immune repertoire. In addition, a RACE approach is improved to yield a higher fraction of regular T-cell receptor sequences. Finally, we quantify the degree of primer bias of a multiplex-PCR approach via comparing it to the RACE approach. The results reveal significant differences in frequency of VJ combination by the two approaches. Together, we provide a new experimental and computation pipeline for an unbiased profiling of immune repertoire. As immune repertoire profiling has many applications, e.g., tracing bacterial and viral infection, detection of T cell lymphoma and minimal residual disease, monitoring cancer immunotherapy, etc., our work should benefit scientists who are interested in the applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=immune%20repertoire" title="immune repertoire">immune repertoire</a>, <a href="https://publications.waset.org/abstracts/search?q=T-cell%20receptor" title=" T-cell receptor"> T-cell receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=5%27%20RACE" title=" 5' RACE"> 5' RACE</a>, <a href="https://publications.waset.org/abstracts/search?q=high-throughput%20sequencing" title=" high-throughput sequencing"> high-throughput sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=sequence%20alignment" title=" sequence alignment"> sequence alignment</a> </p> <a href="https://publications.waset.org/abstracts/88972/an-unbiased-profiling-of-immune-repertoire-via-sequencing-and-analyzing-t-cell-receptor-genes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88972.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">194</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">487</span> Correlation of Leptin with Clinico-Pathological Features of Breast Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saad%20Al-Shibli">Saad Al-Shibli</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasser%20Amjad"> Nasser Amjad</a>, <a href="https://publications.waset.org/abstracts/search?q=Muna%20Al%20Kubaisi"> Muna Al Kubaisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Norra%20Harun"> Norra Harun</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaikh%20Mizan"> Shaikh Mizan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Leptin is a multifunctional hormone produced mainly by adipocyte. Leptin and its receptor have long been found associated with breast cancer. The main aim of this study is to investigate the correlation between Leptin/Leptin receptor and the clinicopathological features of breast cancer. Blood samples for ELISA, tissue samples from tumors and adjacent breast tissue were taken from 51 women with breast cancer with a control group of 40 women with a negative mammogram. Leptin and Leptin receptor in the tissues were estimated by immunohistochemistry (IHC). They were localized at the subcellular level by immunocytochemistry using transmission electron microscopy (TEM). Our results showed significant difference in serum leptin level between control and the patient group, but no difference between pre and post-operative serum leptin levels in the patient group. By IHC, we found that the majority of the breast cancer cells studied, stained positively for leptin and leptin receptors with co-expression of leptin and its receptors. No significant correlation was found between leptin/leptin receptors expression with the race, menopausal status, lymph node metastasis, estrogen receptor expression, progesterone receptor expression, HER2 expression and tumor size. Majority of the patients with distant metastasis were associated with high leptin and leptin receptor expression. TEM views both Leptin and Leptin receptor were found highly concentrated within and around the nucleus of the cancer breast cells, indicating nucleus is their principal seat of actions while the adjacent breast epithelial cells showed that leptin gold particles are scattered all over the cell with much less than that of the cancerous cells. However, presence of high concentration of leptin does not necessarily prove its over-expression, because it could be internalized from outside by leptin receptor in the cells. In contrast, leptin receptor is definitely over-expressed in the ductal breast cancer cells. We conclude that reducing leptin levels, blocking its downstream tissue specific signal transduction, and/or blocking the upstream leptin receptor pathway might help in prevention and therapy of breast cancer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=expression" title=" expression"> expression</a>, <a href="https://publications.waset.org/abstracts/search?q=leptin" title=" leptin"> leptin</a>, <a href="https://publications.waset.org/abstracts/search?q=leptin%20receptors" title=" leptin receptors"> leptin receptors</a> </p> <a href="https://publications.waset.org/abstracts/99477/correlation-of-leptin-with-clinico-pathological-features-of-breast-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99477.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">140</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">486</span> The Role of Estradiol-17β and Type IV Collagen on the Regulation and Expression Level Of C-Erbb2 RNA and Protein in SKOV-3 Ovarian Cancer Cell Line </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Merry%20Meryam%20Martgrita">Merry Meryam Martgrita</a>, <a href="https://publications.waset.org/abstracts/search?q=Marselina%20Irasonia%20Tan"> Marselina Irasonia Tan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of several aggresive cancer is cancer that overexpress c-erbB2 receptor along with the expression of estrogen receptor. Components of extracellular matrix play an important role to increase cancer cells proliferation, migration and invasion. Both components can affect cancer development by regulating the signal transduction pathways in cancer cells. In recent research, SKOV-3 ovarian cancer cell line, that overexpress c-erbB2 receptor was cultured on type IV collagen and treated with estradiol-17β, to reveal the role of both components on RNA and protein level of c-erbB2 receptor. In this research we found a modulation phenomena of increasing and decreasing of c-erbB2 RNA level and a stabilisation phenomena of c-erbB2 protein expression due to estradiol-17β and type IV collagen. It seemed that estradiol-17β has an important role to increase c-erbB2 transcription and the stability of c-erbB2 protein expression. Type IV collagen has an opposite role. It blocked c-erbB2 transcription when it bound to integrin receptor in SKOV-3 cells. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=c-erbB2" title="c-erbB2">c-erbB2</a>, <a href="https://publications.waset.org/abstracts/search?q=estradiol-17%CE%B2" title=" estradiol-17β"> estradiol-17β</a>, <a href="https://publications.waset.org/abstracts/search?q=SKOV-3" title=" SKOV-3"> SKOV-3</a>, <a href="https://publications.waset.org/abstracts/search?q=type%20IV%20collagen" title=" type IV collagen"> type IV collagen</a> </p> <a href="https://publications.waset.org/abstracts/27964/the-role-of-estradiol-17v-and-type-iv-collagen-on-the-regulation-and-expression-level-of-c-erbb2-rna-and-protein-in-skov-3-ovarian-cancer-cell-line" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27964.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">284</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">485</span> Optimization and Evaluation of 177lu-Dotatoc as a Potential Agent for Peptide Receptor Radionuclide Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Yousefnia">H. Yousefnia</a>, <a href="https://publications.waset.org/abstracts/search?q=MS.%20Mousavi-Daramoroudi"> MS. Mousavi-Daramoroudi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Zolghadri"> S. Zolghadri</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Abbasi-Davani"> F. Abbasi-Davani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> High expression of somatostatin receptors on a wide range of human tumours makes them as potential targets for peptide receptor radionuclide tomography. A series of octreotide analogues were synthesized while [DOTA-DPhe1, Tyr3]octreotide (DOTATOC) indicated advantageous properties in tumour models. In this study, 177Lu-DOTATOC was prepared with the radiochemical purity of higher than 99% in 30 min at the optimized condition. Biological behavior of the complex was studied after intravenous injection into the Syrian rats. Major difference uptake was observed compared to 177LuCl3 solution especially in somatostatin receptor-positive tissues such as pancreas and adrenal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Biodistribution" title="Biodistribution">Biodistribution</a>, <a href="https://publications.waset.org/abstracts/search?q=177Lu" title=" 177Lu"> 177Lu</a>, <a href="https://publications.waset.org/abstracts/search?q=Octreotide" title=" Octreotide"> Octreotide</a>, <a href="https://publications.waset.org/abstracts/search?q=Syrian%20rats" title=" Syrian rats"> Syrian rats</a> </p> <a href="https://publications.waset.org/abstracts/34294/optimization-and-evaluation-of-177lu-dotatoc-as-a-potential-agent-for-peptide-receptor-radionuclide-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34294.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">448</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">484</span> The Transcription Factor HNF4a: A Key Player in Haematological Disorders</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tareg%20Belali">Tareg Belali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mosleh%20Abomughaid"> Mosleh Abomughaid</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhanad%20Alhujaily"> Muhanad Alhujaily</a> </p> <p class="card-text"><strong>Abstract:</strong></p> HNF4a is one of the steroid hormone receptor family of transcription factors with roles in the development of the liver and the regulation of several critical metabolic pathways, such as glycolysis, drug metabolism, and apolipoproteins and blood coagulation. The transcriptional potency of HNF4a is well known due to its involvement in diabetes and other metabolic diseases. However, recently HNF4a has been discovered to be closely associated with several haematological disorders, mainly because of genetic mutations, drugs, and hepatic disorders. We review HNF4a structure and function and its role in haematological disorders. We discuss possible good therapies that are based on targeting HNF4a. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hepatocyte%20nuclear%20factor%204%20alpha" title="hepatocyte nuclear factor 4 alpha">hepatocyte nuclear factor 4 alpha</a>, <a href="https://publications.waset.org/abstracts/search?q=HNF4a%20nuclear%20receptor" title=" HNF4a nuclear receptor"> HNF4a nuclear receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=steroid%20hormone%20receptor%20family%20of%20transcription%20factors" title=" steroid hormone receptor family of transcription factors"> steroid hormone receptor family of transcription factors</a>, <a href="https://publications.waset.org/abstracts/search?q=hematological%20disorders" title=" hematological disorders"> hematological disorders</a> </p> <a href="https://publications.waset.org/abstracts/149357/the-transcription-factor-hnf4a-a-key-player-in-haematological-disorders" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149357.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">96</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">483</span> Development and Pre-clinical Evaluation of New ⁶⁴Cu-NOTA-Folate Conjugates for PET Imaging of Folate Receptor-Positive Tumors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Norah%20Al%20Hokbany">Norah Al Hokbany</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Al%20Jammaz"> Ibrahim Al Jammaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Basem%20Al%20Otaibi"> Basem Al Otaibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yousif%20Al%20Malki"> Yousif Al Malki</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhani%20M.%20Okarvi"> Subhani M. Okarvi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The folate receptor is over-expressed in a wide variety of human tumors. Conjugates of folate have been shown to be selectively taken up by tumor cells via the folate receptor. In an attempt to develop new folate radiotracers with favorable biochemical properties for detecting folate receptor-positive cancers. Methods: we synthesized ⁶⁴Cu-NOTA- and ⁶⁴Cu-NOTAM-folate conjugates using a straightforward and simple one-step reaction. Radiochemical yields were greater than 95% (decay-corrected) with a total synthesis time of less than 20 min. Results: Radiochemical purities were always greater than 98% without high-performance liquid chromatography (HPLC) purification. These synthetic approaches hold considerable promise as a rapid and simple method for ⁶⁴Cu-folate conjugate preparation with high radiochemical yield in a short synthesis time. In vitro tests on the KB cell line showed that significant amounts of the radio conjugates were associated with cell fractions. Bio-distribution studies in nude mice bearing human KB xenografts demonstrated a significant tumor uptake and favorable bio-distribution profile for ⁶⁴Cu-NOTA- and ⁶⁴Cu-NOTAM-folate conjugate. The uptake in the tumors was blocked by the excess injection of folic acid, suggesting a receptor-mediated process. Conclusion: These results demonstrate that the ⁶⁴Cu-NOTAM-folate conjugate may be useful as a molecular probe for the detection and staging of folate receptor-positive cancers, such as ovarian cancer and their metastasis, as well as monitoring tumor response to treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=folate" title="folate">folate</a>, <a href="https://publications.waset.org/abstracts/search?q=receptor" title=" receptor"> receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=tumor%20imaging" title=" tumor imaging"> tumor imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=%E2%81%B6%E2%81%B4Cu-NOTA-folate" title=" ⁶⁴Cu-NOTA-folate"> ⁶⁴Cu-NOTA-folate</a>, <a href="https://publications.waset.org/abstracts/search?q=PET" title=" PET"> PET</a> </p> <a href="https://publications.waset.org/abstracts/156848/development-and-pre-clinical-evaluation-of-new-64cu-nota-folate-conjugates-for-pet-imaging-of-folate-receptor-positive-tumors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156848.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">108</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">482</span> Identification of Target Receptor Compound 10,11-Dihidroerisodin as an Anti-Cancer Candidate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Srie%20Rezeki%20Nur%20Endah">Srie Rezeki Nur Endah</a>, <a href="https://publications.waset.org/abstracts/search?q=Richa%20Mardianingrum"> Richa Mardianingrum</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cancer is one of the most feared diseases and is considered the leading cause of death worldwide. Generally, cancer drugs are synthetic drugs with relatively more expensive prices and have harmful side effects, so many people turn to traditional medicine, for example by utilizing herbal medicine. Erythrina poeppigiana is one of the plants that can be used as a medicinal plant containing 10,11-dihidroerisodin compounds that are useful anticancer etnofarmakologi. The purpose of this study was to identify the target of 10,11 dihydroerisodin receptor compound as in silico anticancer candidate. The pure isolate was tested physicochemically by MS (Mass Spectrometry), UV-Vis (Ultraviolet – Visible), IR (Infra Red), 13C-NMR (Carbon-13 Nuclear Magnetic Resonance), 1H-NMR (Hydrogen-1 Nuclear Magnetic Resonance), to obtain the structure of 10,11-dihydroerisodin alkaloid compound then identified to target receptors in silico. From the results of the study, it was found that 10,11-dihydroerisodin compound can work on the Serine / threonine-protein kinase Chk1 receptor that serves as an anti-cancer candidate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-cancer" title="anti-cancer">anti-cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=Erythrina%20poeppigiana" title=" Erythrina poeppigiana"> Erythrina poeppigiana</a>, <a href="https://publications.waset.org/abstracts/search?q=target%20receptor" title=" target receptor"> target receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=10" title=" 10"> 10</a>, <a href="https://publications.waset.org/abstracts/search?q=11-%20dihidroerisodin" title="11- dihidroerisodin">11- dihidroerisodin</a> </p> <a href="https://publications.waset.org/abstracts/92293/identification-of-target-receptor-compound-1011-dihidroerisodin-as-an-anti-cancer-candidate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92293.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">246</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">481</span> Insights Into Serotonin-Receptor Binding and Stability via Molecular Dynamics Simulations: Key Residues for Electrostatic Interactions and Signal Transduction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arunima%20Verma">Arunima Verma</a>, <a href="https://publications.waset.org/abstracts/search?q=Padmabati%20Mondal"> Padmabati Mondal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Serotonin-receptor binding plays a key role in several neurological and biological processes, including mood, sleep, hunger, cognition, learning, and memory. In this article, we performed molecular dynamics simulation to examine the key residues that play an essential role in the binding of serotonin to the G-protein-coupled 5-HT₁ᴮ receptor (5-HT₁ᴮ R) via electrostatic interactions. An end-point free energy calculation method (MM-PBSA) determines the stability of the 5-HT1B R due to serotonin binding. The single-point mutation of the polar or charged amino acid residues (Asp129, Thr134) on the binding sites and the calculation of binding free energy validate the importance of these residues in the stability of the serotonin-receptor complex. Principal component analysis indicates the serotonin-bound 5-HT1BR is more stabilized than the apo-receptor in terms of dynamical changes. The difference dynamic cross-correlations map shows the correlation between the transmembrane and mini-Go, which indicates signal transduction happening between mini-Go and the receptor. Allosteric communication reveals the key nodes for signal transduction in 5-HT1BR. These results provide useful insights into the signal transduction pathways and mutagenesis study to regulate the functionality of the complex. The developed protocols can be applied to study local non-covalent interactions and long-range allosteric communications in any protein-ligand system for computer-aided drug design. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=allostery" title="allostery">allostery</a>, <a href="https://publications.waset.org/abstracts/search?q=CADD" title=" CADD"> CADD</a>, <a href="https://publications.waset.org/abstracts/search?q=MD%20simulations" title=" MD simulations"> MD simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=MM-PBSA" title=" MM-PBSA"> MM-PBSA</a> </p> <a href="https://publications.waset.org/abstracts/177882/insights-into-serotonin-receptor-binding-and-stability-via-molecular-dynamics-simulations-key-residues-for-electrostatic-interactions-and-signal-transduction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177882.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">87</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">480</span> Microglia Activity and Induction of Mechanical Allodynia after Mincle Receptor Ligand Injection in Rat Spinal Cord</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jihoon%20Yang">Jihoon Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeong%20II%20Choi"> Jeong II Choi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mincle is expressed in macrophages and is members of immunoreceptors induced after exposure to various stimuli and stresses. Mincle receptor activation promotes the production of these substances by increasing the transcription of inflammatory cytokines and chemokines. Cytokines, which play an important role in the initiation and maintenance of such inflammatory pain diseases, have a significant effect on sensory neurons in addition to their enhancement and inhibitory effects on immune and inflammatory cells as mediators of cell interaction. Glial cells in the central nervous system play a critical role in development and maintenance of chronic pain states. Microglia are tissue-resident macrophages in the central nervous system, and belong to a group of mononuclear phagocytes. In the central nervous system, mincle receptor is present in neurons and glial cells of the brain.This study was performed to identify the Mincle receptor in the spinal cord and to investigate the effect of Mincle receptor activation on nociception and the changes of microglia. Materials and Methods: C-type lectins(Mincle) was identified in spinal cord of Male Sprague–Dawley rats. Then, mincle receptor ligand (TDB), via an intrathecal catheter. Mechanical allodynia was measured using von Frey test to evaluate the effect of intrathecal injection of TDB. Result: The present investigation shows that the intrathecal administration of TDB in the rat produces a reliable and quantifiable mechanical hyperalgesia. In addition, The mechanical hyperalgesia after TDB injection gradually developed over time and remained until 10 days. Mincle receptor is identified in the spinal cord, mainly expressed in neuronal cells, but not in microglia or astrocyte. These results suggest that activation of mincle receptor pathway in neurons plays an important role in inducing activation of microglia and inducing mechanical allodynia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mincle" title="mincle">mincle</a>, <a href="https://publications.waset.org/abstracts/search?q=spinal%20cord" title=" spinal cord"> spinal cord</a>, <a href="https://publications.waset.org/abstracts/search?q=pain" title=" pain"> pain</a>, <a href="https://publications.waset.org/abstracts/search?q=microglia" title=" microglia"> microglia</a> </p> <a href="https://publications.waset.org/abstracts/79571/microglia-activity-and-induction-of-mechanical-allodynia-after-mincle-receptor-ligand-injection-in-rat-spinal-cord" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79571.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">159</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">479</span> Non-Signaling Chemokine Receptor CCRL1 and Its Active Counterpart CCR7 in Prostate Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yiding%20Qu">Yiding Qu</a>, <a href="https://publications.waset.org/abstracts/search?q=Svetlana%20V.%20Komarova"> Svetlana V. Komarova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chemokines acting through their cognate chemokine receptors guide the directional migration of the cell along the chemokine gradient. Several chemokine receptors were recently identified as non-signaling (decoy), based on their ability to bind the chemokine but produce no measurable signal in the cell. The function of these decoy receptors is not well understood. We examined the expression of a decoy receptor CCRL1 and a signaling receptor that binds to the same ligands, CCR7, in prostate cancer using publically available microarray data (www.oncomine.org). The expression of both CCRL1 and CCR7 increased in an approximately half of prostate carcinoma samples and the majority of metastatic cancer samples compared to normal prostate. Moreover, the expression of CCRL1 positively correlated with the expression of CCR7. These data suggest that CCR7 and CCRL1 can be used as clinical markers for the early detection of transformation from carcinoma to metastatic cancer. In addition, these data support our hypothesis that the non-signaling chemokine receptors actively stimulate cell migration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioinformatics" title="bioinformatics">bioinformatics</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20migration" title=" cell migration"> cell migration</a>, <a href="https://publications.waset.org/abstracts/search?q=decoy%20receptor" title=" decoy receptor"> decoy receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=meta-analysis" title=" meta-analysis"> meta-analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=prostate%20cancer" title=" prostate cancer"> prostate cancer</a> </p> <a href="https://publications.waset.org/abstracts/23226/non-signaling-chemokine-receptor-ccrl1-and-its-active-counterpart-ccr7-in-prostate-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23226.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">470</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">478</span> A Platform to Screen Targeting Molecules of Ligand-EGFR Interactions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wei-Ting%20Kuo">Wei-Ting Kuo</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng-Huei%20Lin"> Feng-Huei Lin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Epidermal growth factor receptor (EGFR) is often constitutively stimulated in cancer owing to the binding of ligands such as epidermal growth factor (EGF), so it is necessary to investigate the interaction between EGFR and its targeting biomolecules which were over ligands binding. This study would focus on the binding affinity and adhesion force of two targeting products anti-EGFR monoclonal antibody (mAb) and peptide A to EGFR comparing with EGF. Surface plasmon resonance (SPR) was used to obtain the equilibrium dissociation constant to evaluate the binding affinity. Atomic force microscopy (AFM) was performed to detect adhesion force. The result showed that binding affinity of mAb to EGFR was higher than that of EGF to EGFR, and peptide A to EGFR was lowest. The adhesion force between EGFR and mAb that was higher than EGF and peptide A to EGFR was lowest. From the studies, we could conclude that mAb had better adhesion force and binding affinity to EGFR than that of EGF and peptide A. SPR and AFM could confirm the interaction between receptor and targeting ligand easily and carefully. It provide a platform to screen ligands for receptor targeting and drug delivery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adhesion%20force" title="adhesion force">adhesion force</a>, <a href="https://publications.waset.org/abstracts/search?q=binding%20affinity" title=" binding affinity"> binding affinity</a>, <a href="https://publications.waset.org/abstracts/search?q=epidermal%20growth%20factor%20receptor" title=" epidermal growth factor receptor"> epidermal growth factor receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=target%20molecule" title=" target molecule"> target molecule</a> </p> <a href="https://publications.waset.org/abstracts/27370/a-platform-to-screen-targeting-molecules-of-ligand-egfr-interactions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27370.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">433</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">477</span> Analysis of NMDA Receptor 2B Subunit Gene (GRIN2B) mRNA Expression in the Peripheral Blood Mononuclear Cells of Alzheimer's Disease Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%CC%87%20Bayram">Ali̇ Bayram</a>, <a href="https://publications.waset.org/abstracts/search?q=Semih%20Dalkilic"> Semih Dalkilic</a>, <a href="https://publications.waset.org/abstracts/search?q=Remzi%20Yigiter"> Remzi Yigiter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> N-methyl-D-aspartate (NMDA) receptor is a subtype of glutamate receptor and plays a pivotal role in learning, memory, neuronal plasticity, neurotoxicity and synaptic mechanisms. Animal experiments were suggested that glutamate-induced excitotoxic injuriy and NMDA receptor blockage lead to amnesia and other neurodegenerative diseases including Alzheimer’s disease (AD), Huntington’s disease, amyotrophic lateral sclerosis. Aim of this study is to investigate association between NMDA receptor coding gene GRIN2B expression level and Alzheimer disease. The study was approved by the local ethics committees, and it was conducted according to the principles of the Declaration of Helsinki and guidelines for the Good Clinical Practice. Peripheral blood was collected 50 patients who diagnosed AD and 49 healthy control individuals. Total RNA was isolated with RNeasy midi kit (Qiagen) according to manufacturer’s instructions. After checked RNA quality and quantity with spectrophotometer, GRIN2B expression levels were detected by quantitative real time PCR (QRT-PCR). Statistical analyses were performed, variance between two groups were compared with Mann Whitney U test in GraphpadInstat algorithm with 95 % confidence interval and p < 0.05. After statistical analyses, we have determined that GRIN2B expression levels were down regulated in AD patients group with respect to control group. But expression level of this gene in each group was showed high variability. İn this study, we have determined that NMDA receptor coding gene GRIN2B expression level was down regulated in AD patients when compared with healthy control individuals. According to our results, we have speculated that GRIN2B expression level was associated with AD. But it is necessary to validate these results with bigger sample size. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alzheimer%E2%80%99s%20disease" title="Alzheimer’s disease">Alzheimer’s disease</a>, <a href="https://publications.waset.org/abstracts/search?q=N-methyl-d-aspartate%20receptor" title=" N-methyl-d-aspartate receptor"> N-methyl-d-aspartate receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=NR2B" title=" NR2B"> NR2B</a>, <a href="https://publications.waset.org/abstracts/search?q=GRIN2B" title=" GRIN2B"> GRIN2B</a>, <a href="https://publications.waset.org/abstracts/search?q=mRNA%20expression" title=" mRNA expression"> mRNA expression</a>, <a href="https://publications.waset.org/abstracts/search?q=RT-PCR" title=" RT-PCR"> RT-PCR</a> </p> <a href="https://publications.waset.org/abstracts/35375/analysis-of-nmda-receptor-2b-subunit-gene-grin2b-mrna-expression-in-the-peripheral-blood-mononuclear-cells-of-alzheimers-disease-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35375.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">394</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">476</span> Expression of Interferon-Lambda Receptor-(IFN-λRα) in Mononuclear Phagocyte Cells (MPCs) Is Influenced by the Levels of Newly Discovered Type III IFN-λ4 in Vitro</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hashaam%20Akhtar">Hashaam Akhtar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> IFNλR1 and IL10R2 collectively construct a heterodimer, which is an acknowledged functional receptor for all type III interferons (IFNs). Expression of IFNλR1 is highly tissue specific, which can help in making type III IFNs a drug of choice as comparable to its analogue, type I IFNs, for treating hepatitis C in the near future. Although, expression of IFNλR1 also varies with the concentration of type I IFNs, but in this study it was shown that the expression of IFNλR1 varies with the protein titers of IFN-α, IFN-λ3 and the newly discovered IFN-λ4. High dosage of IFN-α reduces the expression of IFNλR1 in HepG2 cells, which can affect the antiviral activity of type III IFNs in vivo. We premeditated an experimental strategy to differentiate monocytes into dendritic cells (DCs), type I and type II macrophages in vitro and quantified the expression of the IFNλR1 by qPCR. The exposure of newly discovered IFN-λ4 to macrophages and DCs also raised the expression of its own receptor, which shows that expression of IFN-λ4 protein in hepatitis C patient may augment type I treatment and help ease off viral titers. The results of this study may contribute in some understanding towards the mechanisms involved in the selective expression of IFNLR1 and exceptionalities associated with the receptor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=IFNLR1" title="IFNLR1">IFNLR1</a>, <a href="https://publications.waset.org/abstracts/search?q=Interferon%20Lambda%204%20%28IFN-%CE%BB4%29" title=" Interferon Lambda 4 (IFN-λ4)"> Interferon Lambda 4 (IFN-λ4)</a>, <a href="https://publications.waset.org/abstracts/search?q=Mononuclear%20Phagocyte%20Cells%20%28MPCs%29" title=" Mononuclear Phagocyte Cells (MPCs)"> Mononuclear Phagocyte Cells (MPCs)</a>, <a href="https://publications.waset.org/abstracts/search?q=expression" title=" expression"> expression</a> </p> <a href="https://publications.waset.org/abstracts/17385/expression-of-interferon-lambda-receptor-ifn-lra-in-mononuclear-phagocyte-cells-mpcs-is-influenced-by-the-levels-of-newly-discovered-type-iii-ifn-l4-in-vitro" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17385.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">475</span> A Theoretical to Conceptual Paper: The Use of Phosphodiesterase Inhibitors, Endothelin Receptor Antagonists and/or Prostacyclin Analogs in Acute Pulmonary Embolism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ryan%20M.%20Monti">Ryan M. Monti</a>, <a href="https://publications.waset.org/abstracts/search?q=Bijal%20Mehta"> Bijal Mehta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In cases of massive pulmonary embolism, defined as acute pulmonary embolism presenting with systemic hypotension or right ventricular dysfunction and impending failure, there is indication that unconventional therapies, such as phosphodiesterase inhibitors, endothelin receptor antagonists, and/or prostacyclin analogs may decrease the morbidity and mortality. Based on the premise that dilating the pulmonary artery will decrease the pulmonary vascular pressure, while simultaneously decreasing the aggregation of platelets, it can be hypothesized that increased blood flow through the pulmonary artery will decrease right heart strain and subsequent morbidity and mortality. While this theory has yet to be formally studied, the recommendations for treating massive pulmonary embolism with phosphodiesterase inhibitors, endothelin receptor antagonists, and/or prostacyclin analogs in conjunction with the current standards of care in massive pulmonary embolism should be formally studied. In particular, patients with massive PE who are unable to undergo thrombolysis/surgical intervention may be the ideal population to study the use of these treatments to determine any decrease in mortality and morbidity (short term and long term). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20pulmonary%20thromboembolism" title="acute pulmonary thromboembolism">acute pulmonary thromboembolism</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment%20of%20pulmonary%20embolism" title=" treatment of pulmonary embolism"> treatment of pulmonary embolism</a>, <a href="https://publications.waset.org/abstracts/search?q=use%20of%20phosphodiesterase%20inhibitors" title=" use of phosphodiesterase inhibitors"> use of phosphodiesterase inhibitors</a>, <a href="https://publications.waset.org/abstracts/search?q=endothelin%20receptor%20antagonists" title=" endothelin receptor antagonists"> endothelin receptor antagonists</a>, <a href="https://publications.waset.org/abstracts/search?q=prostacyclin%20analogs%20in%20PE" title=" prostacyclin analogs in PE"> prostacyclin analogs in PE</a> </p> <a href="https://publications.waset.org/abstracts/49295/a-theoretical-to-conceptual-paper-the-use-of-phosphodiesterase-inhibitors-endothelin-receptor-antagonists-andor-prostacyclin-analogs-in-acute-pulmonary-embolism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49295.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">225</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">474</span> Inhibitory Effects of PPARγ Ligand, KR-62980, on Collagen-Stimulated Platelet Activation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Su%20Bin%20Wang">Su Bin Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Hee%20Ahn"> Jin Hee Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Tong-Shin%20Chang"> Tong-Shin Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The peroxisome proliferator-activated receptors (PPARs) are member of nuclear receptor superfamily that act as a ligand-activated transcription factors. Although platelets lack a nucleus, previous studies have shown that PPARγ agonists, rosiglitazone, inhibited platelet activation induced by collagen. In this study, we investigated the inhibitory effects of KR-62980, a newly synthesized PPARγ agonist, on collagen receptor-stimulated platelet activation. The specific tyrosine phosphorylations of key components (Syk, Vav1, Btk and PLCγ2) for collagen receptor signaling pathways were suppressed by KR-62980. KR-62980 also attenuated downstream responses including cytosolic calcium elevation, P-selectin surface exposure, and integrin αIIbβ3 activation. PPARγ was found to associate with multiple proteins within the LAT signaling complex in collagen-stimulated platelets. This association was prevented by KR-62980, indicating a potential mechanism for PPARγ function in collagen-stimulated platelet activation. Furthermore, KR-62980 inhibited platelet aggregation and adhesion in response to collagen in vitro and prolonged in vivo thrombotic response in carotid arteries of mice. Collectively, these data suggest that KR-62980 inhibits collagen-stimulated platelet activation and thrombus formation through modulating the collagen receptor signaling pathways. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=KR-62980" title="KR-62980">KR-62980</a>, <a href="https://publications.waset.org/abstracts/search?q=PPAR%CE%B3" title=" PPARγ"> PPARγ</a>, <a href="https://publications.waset.org/abstracts/search?q=antiplatelet" title=" antiplatelet"> antiplatelet</a>, <a href="https://publications.waset.org/abstracts/search?q=thrombosis" title=" thrombosis"> thrombosis</a> </p> <a href="https://publications.waset.org/abstracts/47842/inhibitory-effects-of-ppargh-ligand-kr-62980-on-collagen-stimulated-platelet-activation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47842.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">334</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">473</span> 5-[Aryloxypyridyl (or Nitrophenyl)]-4H-1,2,4-Triazoles as Flexible Benzodiazepine Analogs: Synthesis, Receptor Binding Affinity and the Lipophilicity-Dependent Anti-Seizure Onset of Action</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Latifeh%20Navidpour">Latifeh Navidpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Shabnam%20Shabani"> Shabnam Shabani</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Heidari"> Alireza Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Manouchehr%20Bashiri"> Manouchehr Bashiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Azadeh%20Ebrahim-Habibi"> Azadeh Ebrahim-Habibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Soraya%20Shahhosseini"> Soraya Shahhosseini</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Shafaroodi"> Hamed Shafaroodi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sayyed%20Abbas%20Tabatabai"> Sayyed Abbas Tabatabai</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahsa%20Toolabi"> Mahsa Toolabi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new series of 5-(2-aryloxy-4-nitrophenyl)-4H-1,2,4-triazoles and 5-(2-aryloxy-3-pyridyl)-4H-1,2,4-triazoles, possessing C-3 thio or alkylthio substituents, was synthesized and evaluated for their benzodiazepine receptor affinity and anti-seizure activity. These analogues revealed similar to significantly superior affinity to GABAA/ benzodiazepine receptor complex (IC50 values of 0.04–4.1 nM), relative to diazepam as the reference drug (IC50 value of 2.4 nM). To determine the onset of anti-seizure activity, the time-dependent effectiveness of i.p. administration of compounds on pentylenetetrazole induced seizure threshold was studied and a very good relationship was observed between the lipophilicity (cLogP) and onset of action of studied analogues (r2 = 0.964). The minimum effective dose of the compounds, determined at the time the analogues showed their highest activity, was demonstrated to be 0.025–0.1 mg/kg, relative to diazepam (0.025 mg/kg). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=1" title="1">1</a>, <a href="https://publications.waset.org/abstracts/search?q=2" title="2">2</a>, <a href="https://publications.waset.org/abstracts/search?q=4-triazole" title="4-triazole">4-triazole</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible%20benzodiazepines" title=" flexible benzodiazepines"> flexible benzodiazepines</a>, <a href="https://publications.waset.org/abstracts/search?q=GABAA%2Fbezodiazepine%20receptor%20complex" title=" GABAA/bezodiazepine receptor complex"> GABAA/bezodiazepine receptor complex</a>, <a href="https://publications.waset.org/abstracts/search?q=onset%20of%20action" title=" onset of action"> onset of action</a>, <a href="https://publications.waset.org/abstracts/search?q=PTZ%20induced%20seizure%20threshold" title=" PTZ induced seizure threshold"> PTZ induced seizure threshold</a> </p> <a href="https://publications.waset.org/abstracts/136418/5-aryloxypyridyl-or-nitrophenyl-4h-124-triazoles-as-flexible-benzodiazepine-analogs-synthesis-receptor-binding-affinity-and-the-lipophilicity-dependent-anti-seizure-onset-of-action" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136418.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">104</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">472</span> The Association of Estrogen Receptor Alpha Xbai Gg Genotype and Severe Preeclampsia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saeedeh%20Salimi">Saeedeh Salimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Farzaneh%20Farajian-%20Mashhadi"> Farzaneh Farajian- Mashhadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ehsan%20Tabatabaei"> Ehsan Tabatabaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahnaz%20Shahrakipoor"> Mahnaz Shahrakipoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Minoo%20Yaghmaei"> Minoo Yaghmaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojgan%20Mokhtari"> Mojgan Mokhtari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: Estrogen receptor-α (ERα) plays an essential role in the adaptation of increased uterine blood flow during gestation. Therefore ERα gene could be a possible candidate for preeclampsia(PE) susceptibility. In the current study, we aimed to investigate the association of the ERα gene polymorphisms and PE in an Iranian population. Methods: One hundred ninety-two pregnant women with PE and 186 normotensive women were genotyped for ERα gene (PvuII and XbaI) polymorphisms by PCR-RFLP method. Results: The frequency of alleles and genotypes of ERα PvuII and XbaI polymorphisms were not different between PE and normotensive control women. However, higher frequency of GG genotype was observed in women with severe PE compared to mild PE (OR, 1.8 [95% CI, 1.1 to 3]; P = 0.02) and in severe PE compared to normotensive women [OR= 1.8(1.1-3), P=0.02] after adjusting for age, ethnicity and primiparity. Conclusions: The GG genotype of ERα XbaI polymorphism could be a genetic risk factor for PE predisposition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=estrogen%20receptor-%CE%B1" title="estrogen receptor-α">estrogen receptor-α</a>, <a href="https://publications.waset.org/abstracts/search?q=polymorphism" title=" polymorphism"> polymorphism</a>, <a href="https://publications.waset.org/abstracts/search?q=gene" title=" gene"> gene</a>, <a href="https://publications.waset.org/abstracts/search?q=preeclampsia" title=" preeclampsia"> preeclampsia</a> </p> <a href="https://publications.waset.org/abstracts/65226/the-association-of-estrogen-receptor-alpha-xbai-gg-genotype-and-severe-preeclampsia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65226.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">308</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">471</span> Regulation of RON-Receptor Tyrosine Kinase Functions by Epstein-Barr-Virus (EBV) Nuclear Antigen 3C</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roshika%20Tyagi">Roshika Tyagi</a>, <a href="https://publications.waset.org/abstracts/search?q=Shuvomoy%20Banerjee"> Shuvomoy Banerjee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Among various diseases, cancer has become a huge threat to human beings globally. In the context of viral infection, Epstein–Barr virus (EBV) infection is ubiquitous in nature world-wide as well as in India. Recepteur d’Origine Nantais (RON) receptor tyrosine kinase is overexpressed in Lymphoblastoid cell lines (LCLs) but undetectable in primary B-cells. Biologically, RON expression was found to be essential for EBV transformed LCLs proliferation. In our study, we investigated whether EBV latent antigen EBNA3C is playing a crucial role in regulating RON receptor tyrosine kinase function in EBV-induced malignancies. Interestingly, we observed that expression pattern of RON was modulated by EBNA3C in EBV transformed LCLs compared with EBV negative BJAB cell line by PCR and western blot analysis. Moreover, in the absence of EBNA3C, RON expression was found low in western blot and immunofluorescence analysis and cell proliferation rate was significantly reduced in LCLs by cell viability assays. Therefore, our study clearly indicating the potential role of EBNA3C expressed in EBV-infected B-cells for modulating the functions of oncogenic kinases that leads to EBV induced B-cell transformation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=apoptosis" title="apoptosis">apoptosis</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20proliferation" title=" cell proliferation"> cell proliferation</a>, <a href="https://publications.waset.org/abstracts/search?q=Epstein%E2%80%93barr%20virus" title=" Epstein–barr virus"> Epstein–barr virus</a>, <a href="https://publications.waset.org/abstracts/search?q=receptor%20tyrosine%20kinase" title=" receptor tyrosine kinase"> receptor tyrosine kinase</a> </p> <a href="https://publications.waset.org/abstracts/66176/regulation-of-ron-receptor-tyrosine-kinase-functions-by-epstein-barr-virus-ebv-nuclear-antigen-3c" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66176.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">229</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">470</span> Differential Expression of Arc in the Mesocorticolimbic System Is Involved in Drug and Natural Rewarding Behavior in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yuhua%20Wang">Yuhua Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mu%20Li"> Mu Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Jinggen%20Liu"> Jinggen Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: To investigate the different effects of heroin and milk in activating the corticostriatal system that plays a critical role in reward reinforcement learning. Methods: Male SD rats were trained daily for 15 d to self-administer heroin or milk tablets in a classic runway drug self-administration model. Immunohistochemical assay was used to quantify Arc protein expression in the medial prefrontal cortex (mPFC), the nucleus accumbens (NAc), the dorsomedial striatum (DMS) and the ventrolateral striatum (VLS) in response to chronic self-administration of heroin or milk tablets. NMDA receptor antagonist MK801 (0.1 mg/kg) or dopamine D1 receptor antagonist SCH23390 (0.03 mg/kg) were intravenously injected at the same time as heroin was infused intravenously. Results: Runway training with heroin resulted in robust enhancement of Arc expression in the mPFC, the NAc and the DMS on d 1, 7, and 15, and in the VLS on d 1 and d 7. However, runway training with milk led to increased Arc expression in the mPFC, the NAc and the DMS only on d 7 and/or d 15 but not on d 1. Moreover, runway training with milk failed to induce increased Arc protein in the VLS. Both heroin-seeking behavior and Arc protein expression were blocked by MK801 or SCH23390 administration. Conclusion: The VLS is likely to be critically involved in drug-seeking behavior. The NMDA and D1 receptor-dependent Arc expression is important in drug-seeking behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arc" title="arc">arc</a>, <a href="https://publications.waset.org/abstracts/search?q=mesocorticolimbic%20system" title=" mesocorticolimbic system"> mesocorticolimbic system</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20rewarding%20behavior" title=" drug rewarding behavior"> drug rewarding behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=NMDA%20receptor" title=" NMDA receptor"> NMDA receptor</a> </p> <a href="https://publications.waset.org/abstracts/2262/differential-expression-of-arc-in-the-mesocorticolimbic-system-is-involved-in-drug-and-natural-rewarding-behavior-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2262.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">390</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">469</span> Anti-Prostate Cancer Effect of GV-1001, a Novel Gonadotropin-Releasing Hormone Receptor Ligand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ji%20Won%20Kim">Ji Won Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Moo%20Yeol%20Lee"> Moo Yeol Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Keon%20Wook%20Kang"> Keon Wook Kang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> GV-1001, 16 amino acid fragment of human telomerase reverse transcriptase catalytic subunit (hTERT), has been developed as an injectable cancer vaccine for many types of solid tumors showing high-level of telomerase activity. In the present study, we evaluated the anti-cancer effect of GV-1001 on androgen-receptor-positive prostate cancer. Two signaling pathways, Gs-adenylate cyclase-cAMP and Gq-IP3-Ca2+ pathways play a central role in GnRH receptor (GnRHR)-mediated activities. We found that leuprolide acetate (LA) mainly acted on Gq-mediated Ca2+ signaling, while GV-1001 preferentially acted on cAMP signaling; and both the effects were counteracted by cetrorelix, a GnRHR antagonist. We further tested whether GV-1001 affects tumor growth of human prostate cancer cells in vivo. Prostate tumor xenografts were established using LNCap, androgen receptor-positive prostate cancer cells, and the nude mice bearing tumors were subcutaneously injected with GV-1001 (0.01, 0.1, 1, 10 microg/kg/day) and LA (0.01 microg/kg/day) for 2 weeks. GV-1001 (1 and 10 microg/kg/day) significantly inhibited tumor growth of LNCap xenografts. Interestingly, mRNA expression of MMP2 and MMP9 was significantly suppressed by GV-1001 injection, but not by LA administration. Boyden chamber assay revealed that GV-1001 potently inhibited cell migration of LNCap. Our finding suggests that GV-1001 as a novel GnRHR ligand, has anti-proliferative and anti-migratory effects on androgen receptor-positive prostate cancer cells. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GV-1001" title="GV-1001">GV-1001</a>, <a href="https://publications.waset.org/abstracts/search?q=GnRH" title=" GnRH"> GnRH</a>, <a href="https://publications.waset.org/abstracts/search?q=hTERT" title=" hTERT"> hTERT</a>, <a href="https://publications.waset.org/abstracts/search?q=prostate%20cancer" title=" prostate cancer"> prostate cancer</a> </p> <a href="https://publications.waset.org/abstracts/22012/anti-prostate-cancer-effect-of-gv-1001-a-novel-gonadotropin-releasing-hormone-receptor-ligand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22012.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">371</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">468</span> Tumor-Biological Characteristics of Invasive Lobular Carcinoma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sabine%20Danzinger">Sabine Danzinger</a>, <a href="https://publications.waset.org/abstracts/search?q=Nora%20Hielscher"> Nora Hielscher</a>, <a href="https://publications.waset.org/abstracts/search?q=Miriam%20Izso"> Miriam Izso</a>, <a href="https://publications.waset.org/abstracts/search?q=Johanna%20Metzler"> Johanna Metzler</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmen%20Trinkl"> Carmen Trinkl</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20Pfeifer"> Christian Pfeifer</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristina%20Tendl-Schulz"> Kristina Tendl-Schulz</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20F.%20Singer"> Christian F. Singer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to analyze the characteristics of invasive lobular carcinoma (ILC) compared with invasive ductal carcinoma (IDC) and to investigate the impact of histology on axillary lymph node (ALN) involvement in luminal A subtype tumors. Methods: We retrospectively analyzed patients diagnosed with ILC or IDC from 2012 to 2016 who underwent surgery. Patients constituted 493 primary early breast cancer cases (82 ILC; 411 IDC). Results: Compared with IDC, ILC tumors were significantly more likely to be grade 2, estrogen receptor- (ER) positive (þ), have a lower proliferation rate (Ki67 <14%), and a higher patholog- ical T stage (pT2–4). The luminal A subtype was significantly more common in ILC compared with IDC. In a multivariate regression model, grade 2, ERþ, progesterone receptor-positive, pT2, and pT3 were significantly associated with ILC. Additionally, with the luminal A subtype, ALN involvement (pathological node stage (pN)1–3) was significantly more frequent with ILC versus IDC. Conclusions: Our data suggests that grade 2, positive hormone receptor status, and higher pathological T stage are associated with ILC. With the luminal A subtype, ALN involvement was more frequent with ILC versus IDC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=lobular%20histology" title=" lobular histology"> lobular histology</a>, <a href="https://publications.waset.org/abstracts/search?q=tumor%20biology" title=" tumor biology"> tumor biology</a>, <a href="https://publications.waset.org/abstracts/search?q=hormone%20receptor" title=" hormone receptor"> hormone receptor</a>, <a href="https://publications.waset.org/abstracts/search?q=ki67" title=" ki67"> ki67</a> </p> <a href="https://publications.waset.org/abstracts/193830/tumor-biological-characteristics-of-invasive-lobular-carcinoma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193830.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">9</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">467</span> The Quantitative Optical Modulation of Dopamine Receptor-Mediated Endocytosis Using an Optogenetic System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Qiaoyue%20Kuang">Qiaoyue Kuang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang%20Li"> Yang Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Mizuki%20Endo"> Mizuki Endo</a>, <a href="https://publications.waset.org/abstracts/search?q=Takeaki%20Ozawa"> Takeaki Ozawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> G protein-coupled receptors (GPCR) are the largest family of receptor proteins that detect molecules outside the cell and activate cellular responses. Of the GPCRs, dopamine receptors, which recognize extracellular dopamine, are essential to mammals due to their roles in numerous physiological events, including autonomic movement, hormonal regulation, emotions, and the reward system in the brain. To precisely understand the physiological roles of dopamine receptors, it is important to spatiotemporally control the signaling mediated by dopamine receptors, which is strongly dependent on their surface expression. Conventionally, chemical-induced interactions were applied to trigger the endocytosis of cell surface receptors. However, these methods were subjected to diffusion and therefore lacked temporal and special precision. To further understand the receptor-mediated signaling and to control the plasma membrane expression of receptors, an optogenetic tool called E-fragment was developed. The C-terminus of a light-sensitive photosensory protein cyptochrome2 (CRY2) was attached to β-Arrestin, and the E-fragment was generated by fusing the C-terminal peptide of vasopressin receptor (V2R) to CRY2’s binding partner protein CIB. The CRY2-CIB heterodimerization triggered by blue light stimulation brings β-Arrestin to the vicinity of membrane receptors and results in receptor endocytosis. In this study, the E-fragment system was applied to dopamine receptors 1 and 2 (DRD1 and DRD2) to control dopamine signaling. First, confocal fluorescence microscope observation qualitatively confirmed the light-induced endocytosis of E-fragment fused receptors. Second, NanoBiT bioluminescence assay verified quantitatively that the surface amount of E-fragment labeled receptors decreased after light treatment. Finally, GloSensor bioluminescence assay results suggested that the E-fragment-dependent receptor light-induced endocytosis decreased cAMP production in DRD1 signaling and attenuated the inhibition effect of DRD2 on cAMP production. The developed optogenetic tool was able to induce receptor endocytosis by external light, providing opportunities to further understand numerous physiological activities by controlling receptor-mediated signaling spatiotemporally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dopamine%20receptors" title="dopamine receptors">dopamine receptors</a>, <a href="https://publications.waset.org/abstracts/search?q=endocytosis" title=" endocytosis"> endocytosis</a>, <a href="https://publications.waset.org/abstracts/search?q=G%20protein-coupled%20receptors" title=" G protein-coupled receptors"> G protein-coupled receptors</a>, <a href="https://publications.waset.org/abstracts/search?q=optogenetics" title=" optogenetics"> optogenetics</a> </p> <a href="https://publications.waset.org/abstracts/154002/the-quantitative-optical-modulation-of-dopamine-receptor-mediated-endocytosis-using-an-optogenetic-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154002.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">102</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</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=toll-like%20receptor&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=10">10</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=16">16</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=17">17</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=toll-like%20receptor&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> 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