نتایج جستجو برای: chondroitinase abc
تعداد نتایج: 15466 فیلتر نتایج به سال:
Purpose Synthesis of keratan sulfate (KS) relies on coordinated action of multiple enzymes, including the N-acetylglucosamine-transferring enzyme, β-1,3-N-acetylglucosaminyltransferase-7 (β3GnT7). A mouse model deficient in β3GnT7 was developed to explore structural changes in KS and the extracellular matrix (ECM; i.e., the corneal stroma), elucidate the KS biosynthesis mechanism, and understan...
PURPOSE To characterize the major proteoglycans produced and secreted by collagenase-isolated bovine keratocytes in culture. METHODS Freshly isolated keratocytes from mature bovine corneas were cultured in serum-free Dulbecco's modified Eagle's medium/ F12. Secreted proteoglycans were radiolabeled with protein labeling mix ((35)S-Express; Dupont NEN Life Science Products, Boston, MA) and dige...
Semaphorin 3A binds to the perineuronal nets via chondroitin sulfate type E motifs in rodent brains.
Chondroitin sulfate (CS) and the CS-rich extracellular matrix structures called perineuronal nets (PNNs) restrict plasticity and regeneration in the CNS. Plasticity is enhanced by chondroitinase ABC treatment that removes CS from its core protein in the chondroitin sulfate proteoglycans or by preventing the formation of PNNs, suggesting that chondroitin sulfate proteoglycans in the PNNs control...
A differentiated population of cells with metachromatically staining granules and surface IgE receptors was obtained from mouse bone marrow cultured for 2 weeks in the presence of conditioned medium derived from concanavalin A-stimulated splenocytes. The cells were found to incorporate large amounts of [35S]sulfate into an intracellular 35S-labeled proteoglycan of Mr approximately 200,000 conta...
The proteoglycans extracted from adult chicken were initially purified by DEAE-chromatography. Digestion of these proteoglycans with chondroitinase ABC generated a single 40-kDa core protein while digestion with keratanase generated a single 52-kDa core protein. Digestion with both enzymes combined, however, increased the amount of 40-kDa core protein produced. This suggested that the 40-kDa co...
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