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Beschreibung

Neurocan core protein (UniProt: P55067, also known as 245 kDa early postnatal core glycoprotein, Chondroitin sulfate proteoglycan 3) is encoded by the Ncan (also known as Cspg3) gene in rat. Neurocan is a secreted protein of the aggrecan/versican proteoglycan family that is found in early postnatal and adult brain. During early postnatal development neurocan accounts for at least 20% of the protein of the soluble brain proteoglycans. Neurocan mostly contains chondroitin sulfate, but also has N-linked and O-linked oligosaccharides. It is shown to be involved in the modulation of cell adhesion and migration and regulates neurite outgrowth. Neurocan interact with several cell surface molecules, such as N-CAM, L1/Ng-CAM, etc., and modulates the cell-binding and neurite outgrowth promoting activates of these molecules. Neurocan is synthesized with a 22 aa signal peptide that is subsequently cleaved to produce the mature form. Neurocan contains one C-type lectin domain, two EGF-like domains, one Ig-like V type domain, two link domains and one Sushi (CCP/SCR) domain. (Ref.: Rauch, U., et al. (2001) Cell Mol. Life Sci. 58(12-13):1842-56, Zhou, XH et al. (2001). Mol. Cell Biol. 21(17): 5970-78).