Abstract
The glycocalyx is a negatively charged layer of fibrous chains of macromolecules, mainly but not exclusively glycoproteins, that covers the luminal surface of endothelial cells (Luft, 1966, 1976; Burry and Wood, 1979; Simionescu and Simionescu, 1986). In addition, anionic sites are present in the plasmalemma and the basement membrane of brain endothelial cells (Nag, 1985; Vorbrodt, 1989). On the luminal surface the main contributors to the anionic sites are sialic acid residues of acidic glycoproteins. In the basal membranes anionic sites are less abundant and represent a mixture of proteoglycan and acid glycopeptides containing hydrophobic amino acids, sialic acid residues and heparan sulphate-bearing glycosaminoglycans.
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Johansson, B.B. (1995). The Role of the Endothelial Cell Surface Charge for Blood-Brain Barrier Function. In: Greenwood, J., Begley, D.J., Segal, M.B. (eds) New Concepts of a Blood—Brain Barrier. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1054-7_6
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DOI: https://doi.org/10.1007/978-1-4899-1054-7_6
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