Abstract:
:The proximate hurdle for cell trafficking to any anatomic site is the initial attachment of circulating cells to target tissue endothelium with sufficient strength to overcome prevailing forces of blood flow. E-selectin, an endothelial molecule that is inducibly expressed at all sites of inflammation, is a potent effector of this primary braking process. This molecule is a member of a family of C-type lectins known as selectins that bind sialofucosylated glycans displayed on either a protein (i.e., glycoprotein) or lipid (i.e., glycolipid) scaffold. On human cells, the predominant E-selectin ligand is a specialized glycoform of CD44 known as hematopoietic cell E-/L-selectin ligand (HCELL). This review focuses on the biology of HCELL/E-selectin interactions in cell migration, and discusses the utility and applicability of glycosyltransferase-programmed stereosubstitution (GPS) for glycoengineering HCELL expression. Without compromising cell viability or native phenotype, this exoglycosylation technology literally "sweetens" CD44, licensing E-selectin-dependent vascular delivery for all cell-based therapeutics.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Sackstein Rdoi
10.1111/j.1749-6632.2011.06421.xsubject
Has Abstractpub_date
2012-04-01 00:00:00pages
193-200eissn
0077-8923issn
1749-6632journal_volume
1253pub_type
杂志文章,评审abstract::Many studies have now indicated that micronutrients, such as the carotenoids, tocopherols, and ascorbic acid, can prevent mutagenesis, genotoxic effects, or malignant transformation in bacteria and mammalian tissue, either in cell culture or in organ culture. In addition, multiple papers report that some of these micr...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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