THE OXIDATION OF HEXOSAMINES : d-GLUCOSAMINE AND d-GLUCOSAMINIC ACID
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The effects of hexosamines and their acetyl derivatives on the aggregation of 4-dimethylaminoazobenzene-induced rat hepatoma cells, dRLa-74 and dRLh-84, which have a low and high tumor-producing activity, respectively, were examined in rotation-mediated cell culture. D-Glucosamine, D-galactosamine, and D-mannosamine had relatively little effect on aggregation of either strain of hepatoma cells ...
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In this study it could be shown that in rat the normally occurring N-acetyl neuraminic acid can be modified in its N-acyl moiety by in vivo administration of the chemically synthesized N-propanoyl precursors, N-propanoyl-D-glucosamine or N-propanoyl-D-mannosamine. It could be shown that each of these nonphysiological amino sugar analogues was incorporated into both membrane and serum glycoprote...
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The neutral sugars and hexosamines in the seromucoid fraction of normal human serum were identified and determined simultaneously by gas-liquid chromatography of their aldononitrile acetates. Besides the sialic acid, normal seromucoid contained fucose, arabinose, mannose, glucose, galactose, glucosamine and galactosamine. The presence of arabinose and glucose, not previously reported in seromuc...
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تاریخ انتشار 2003