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Tammy T. Chang, MD, PhD Awarded NASA and National Science Foundation Grants to Study Microgravity in Biological Systems | UCSF Department of Surgery
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tabindex="0">Breadcrumb</span> <div class="breadcrumbs__container"> <ol class="breadcrumbs__list"> <li class="breadcrumbs__item"> <a class="breadcrumbs__link" href="/">Home</a> </li> <span class="breadcrumbs__spacer">/</span> <li class="breadcrumbs__item"> <a class="breadcrumbs__link" href="/news">News & Events</a> </li> <span class="breadcrumbs__spacer">/</span> <li class="breadcrumbs__item"> Tammy T. Chang, MD, PhD Awarded NASA and National Science Foundation Grants To Study Microgravity In Biological Systems </li> </ol> </div> </nav> </div> </div> <div class="main l-content right-sidebar-only"> <div class="page-content-outer-wrap"> <div class="region region-title"> <div id="block-dos-page-title" class="block block-core block-page-title-block"> <h1 class="page-title"> <div class="ext__link field field--name-title field--type-string field--label-hidden field__item" target="_blank">Tammy T. Chang, MD, PhD Awarded NASA and National Science Foundation Grants to Study Microgravity in Biological Systems</div> </h1> </div> </div> <div class="page-content-inner-wrap"> <div class="page-content"> <div class="region region-content"> <div id="block-dos-content" class="block block-system block-system-main-block"> <article data-history-node-id="10241" class="node node--type-news node--view-mode-full"> <div class="node__content"> <div class="field field--name-field-news-source field--type-entity-reference field--label-hidden field__item">The Chang Laboratory for Liver Tissue Engineering</div> <div class="field field--name-field-date-published field--type-datetime field--label-hidden field__item">August 26, 2018</div> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>Surgeon-scientist <a href="/bio/tammy-t-chang-md-phd" title="Tammy T. Chang, M.D., Ph.D.">Tammy T. Chang, MD, PhD</a><span style="font-size:inherit;">, principal investigator in the </span><a href="https://livertissueengineering.ucsf.edu" title="The Chang Laboratory for Liver Tissue Engineering">The Chang Laboratory for Liver Tissue Engineering</a><span style="font-size:inherit;">, has been awarded grants by two prestigious federal funders of research, the NASA Space Biology Program, and the National Science Foundation (NSF) in collaboration with the Center for the Advancement of Science in Space (CASIS). </span></p><p><span style="font-size:inherit;">Dr. Chang is a gastrointestinal surgeon who takes care of patients primarily in an acute care setting. She holds an appointment as an assistant professor in the Division of General Surgery. Dr. Chang's research is focused on microgravity as it impacts biological systems — in a simulated environment on Earth in the NASA research and aboard the International Space Station in the NSF grant. </span></p><p><span style="font-size:inherit;">In the NASA grant, Dr. Chang, one of six awardees new to the Space Biology Program, will use liver organoids generate in simulated microgravity on Earth to investigate the molecular basis of three-dimensional cellular organization and vasculogenesis enabled by the microgravity environment.</span></p><p><span style="font-size:inherit;">In The NSF/CASIS funded project, she and her research team will use the organoids as building blocks to create larger self-organized structures by leveraging the sustained microgravity onboard the International Space Station, pro-angiogenic biomaterials, and physiologic microfluidic flow. The goal is to benefit human health on Earth by developing novel human stem cell-derived functional liver tissues that can be implanted as an alternative or adjunct to liver transplantation.</span></p><p>Dr. Chang believes her work could one day alter the treatment of end-stage liver disease and reduce the need for liver transplants with concomitant improvements to the social fabric:</p><blockquote><div dir="ltr">As a surgeon-scientist, my long-term goal is to develop novel tissue-based therapies for the treatment of end-stage liver disease and to translate discoveries in the laboratory into surgical procedures that benefit patients in the operating room. The NASA Space Biology and NSF/CASIS projects are aimed at investigating whether microgravity may be key tool for developing thick vascularized tissues that may be implanted as functional tissue replacement therapy. If successful, the results of this research will represent a breakthrough in our ability to generate thick vascularized tissues for therapeutic implantation and may spur development of an entirely new space-based biomedical industry. M<span style="font-size:1.5rem;">oreover, having large functional tissue engineered constructs with “off-the-shelf” availability could alleviate the morbidity and mortality associated with organ failure as well as the social injustices linked transplant tourism and organ trafficking.</span></div></blockquote><style> blockquote { padding: 0 2.5rem 0.5rem 1.5rem; position: relative; width: 80%; margin: auto; border-left: 3px solid #3334; } </style></div> <div class="field field--name-field-tags field--type-entity-reference field--label-above"> <div class="field__label">Tags:</div> <div class="field__items"> <div class="field__item">Tissue Engineering</div> <div class="field__item">Research on International Space Station (ISS)</div> <div class="field__item">Microgravity</div> <div class="field__item">Tissue Regeneration</div> </div> </div> </div> </article> </div> </div> </div> </div> </div> <aside id="sidebar-right" class="sidebar-second" role="complementary"> <div class="region region-sidebar-right"> <div class="views-element-container block block-views block-views-blockrelated-news-block-1" id="block-views-block-related-news-block-1"> <h2>Related News</h2> <div region="sidebar_right"><div class="view view-related-news view-id-related_news view-display-id-block_1 js-view-dom-id-c3c19f6505a69792e6d5c2874b8e07b0a2409f1979b3f6b582ed281f8a5d64a2"> <div class="view-content"> <div class="views-row"><div class="views-field views-field-field-image"><div class="field-content"></div></div><div class="views-field views-field-title"><span class="field-content"><a href="/news/tammy-chang-and-boris-rubinsky-develop-novel-surgical-technique-restoring-failing-organs" hreflang="en">Tammy Chang and Boris Rubinsky Develop Novel Surgical Technique for Restoring Failing Organs</a></span></div></div> <div class="views-row"><div class="views-field views-field-field-image"><div class="field-content"></div></div><div class="views-field views-field-title"><span class="field-content"><a href="/news/translating-regenerative-surgery-liver-concept-therapeutic-reality" hreflang="en">Translating Regenerative Surgery on the Liver From Concept to Therapeutic Reality</a></span></div></div> </div> </div> </div> </div> <div class="views-element-container block block-views block-views-blockmentioned-in-this-story-block-1" id="block-views-block-mentioned-in-this-story-block-1"> <h2>Mentioned in this Story</h2> <div region="sidebar_right"><div class="view view-mentioned-in-this-story view-id-mentioned_in_this_story view-display-id-block_1 js-view-dom-id-1703fea03c56d2f21c916283862f3c477068efb7147abd4721ea611effae92e1"> <div class="view-content"> <div class="views-row"><div class="views-field views-field-field-primary-image"><div class="field-content"> <article class="media media--type-image media--view-mode-bio-card-image" aria-label="Image about Dr. Tammy Chang 144x192"> <div class="field field--name-field-media-image field--type-image field--label-hidden field__item"> <img loading="eager" srcset="/sites/default/files/styles/bio_card_image/public/2024-07/dr-tammy-chang-md-144x192.webp?h=609dbdd4&itok=LCA2rXTf 135w, /sites/default/files/styles/bio_card_image_2x/public/2024-07/dr-tammy-chang-md-144x192.webp?h=609dbdd4&itok=XB3FqKTl 270w" sizes="8.4375rem" width="135" height="180" src="/sites/default/files/styles/bio_card_image/public/2024-07/dr-tammy-chang-md-144x192.webp?h=609dbdd4&itok=LCA2rXTf" alt="Dr. Tammy Chang 144x192" /> </div> </article> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/bio/tammy-t-chang-md-phd" hreflang="en">Tammy T. Chang, MD, PhD</a></span></div><div class="views-field views-field-field-academic-working-titles"><div class="field-content"><p>Professor of Surgery<br>Division of General Surgery<br><br> </p></div></div></div> </div> </div> </div> </div> <div class="views-element-container block block-views block-views-blocksidebar-components-block-1" id="block-views-block-sidebar-components-block-1"> <div region="sidebar_right"><div class="view view-sidebar-components view-id-sidebar_components view-display-id-block_1 js-view-dom-id-5b03375da105e82f17b8e517ca78246a2c80411201c5fc19b81005fecc2dc9db"> <div class="view-content"> <div class="views-row"><div class="views-field views-field-field-sidebar-components"><div class="field-content"></div></div></div> </div> </div> </div> </div> </div> </aside> </div> </main> <footer class="footer"> <div class="footer__container"> <div class="footer__wrap"> <div class="footer__inner"> <div class="footer__first"> <figure class="footer__logo"> <a class="footer__logo-link" href="/" title="Home UCSF Department of Surgery"> <picture class="footer__logo-image"> <img class="footer-logo__img" src="/themes/custom/dos/dist/icon/svg/footer-logo.svg" alt="UCSF Footer Logo" width="160" height="79"> </picture> </a> </figure> </div> <div class="footer__second"> <nav role="navigation" aria-labelledby="Footer Menu" id="block-typefooterresearch" class="block block-menu navigation menu--type-footer--research menu--footer"> <h2 class="visually-hidden" id="block-typefooterresearch-menu">Type Footer - 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