{"id":3631,"date":"2020-12-11T08:39:03","date_gmt":"2020-12-11T13:39:03","guid":{"rendered":"https:\/\/www.med.unc.edu\/bloodresearchcenter\/?post_type=directory&#038;p=3631"},"modified":"2020-12-11T08:39:03","modified_gmt":"2020-12-11T13:39:03","slug":"jian-liu-phd","status":"publish","type":"directory","link":"https:\/\/www.med.unc.edu\/bloodresearchcenter\/directory\/jian-liu-phd\/","title":{"rendered":"Jian Liu, PhD"},"content":{"rendered":"<p><strong>Research Synopsis<\/strong><\/p>\n<p>Identification of polysaccharide-based receptor; structure and specificity of a heparan sulfate-based herpes simplex virus 1 receptor; drug targeting; gene therapy.<\/p>\n<p><strong>Research Profile<\/strong><\/p>\n<p>Research in the Jian Liu group is focused on\u00a0<a title=\"Glycobiology Laboratory\" href=\"https:\/\/pharmacy.sites.unc.edu\/labs\/glycobiology-laboratory\/\">glycobiology and glycobiochemistry<\/a>, an emerging field that emphasizes the biological functions of carbohydrates. We are particularly interested in understanding the biosynthetic mechanism of sulfated polysaccharides known as heparan sulfate and heparin.<\/p>\n<p>Heparan sulfate is found on the cell surface and in the extracellular matrix in large quantities. Heparan sulfate is involved in a wide range of biological functions, including regulating blood coagulation, controlling embryonic development, and resisting viral infections. We also study the biosynthesis of heparin, a polysaccharide that has similar structure to heparan sulfate. Heparin is a widely used anticoagulant drug with more than $4 billion dollars in worldwide annual sales.<\/p>\n<p>In addition to understand the biosynthesis of heparan sulfate, we are also in the process of developing an enzyme- or chemoenzyme-based method to synthesize heparin. Heparin is currently isolated from animal sources, and its\u00a0<a class=\"external-link\" href=\"http:\/\/www.fda.gov\/NewsEvents\/Testimony\/ucm271073.htm\">supply chain can be vulnerable<\/a>\u00a0to contamination. The chemoenzymatic method should significantly simplify the preparation of heparin and ultra-low molecular weight heparin. This method has great potential to synthesize a cheaper, cleaner, and safer heparin drug.<\/p>\n<p>The\u00a0<a title=\"Glycobiology Laboratory\" href=\"https:\/\/pharmacy.sites.unc.edu\/labs\/glycobiology-laboratory\/\">research group<\/a>, consisting of postdoctoral fellows, graduate students, and pharmacy students, is actively pursuing different aspects of the biochemistry of heparin and heparan sulfate. These individuals have expertise in chemistry, biochemistry, molecular biology, and microbiology. The research group is funded by grants from the National Institutes of Health and the American Heart Association. Further detailed information about our research can be found in our publications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>John &amp; Deborah McNeill, Jr. Distinguished Professor, Division of Chemical Biology and Medicinal Chemistry<\/p>\n","protected":false},"featured_media":3632,"template":"","meta":{"_acf_changed":false,"layout":"","cellInformation":"","apiCallInformation":"","_links_to":"","_links_to_target":""},"class_list":["post-3631","directory","type-directory","status-publish","has-post-thumbnail","hentry","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jian Liu, PhD | UNC Blood Research Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.med.unc.edu\/bloodresearchcenter\/directory\/jian-liu-phd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jian Liu, PhD | UNC Blood Research Center\" \/>\n<meta property=\"og:description\" content=\"John &amp; 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