ArticleGlycoconjugate journal2000
Retinoic acid induction of sialyltransferase activity in neuroblastoma cells of differing sialylation potentials.
Article in Glycoconjugate journal, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
In order to determine how glycosylation changes associated with cellular differentiation may be influenced by the basal cellular sialylation potential, the effect of retinoic acid (RA)-induced differentiation was investigated in neuroblastoma cells expressing differing levels (and activities) of the alpha2,6(N) sialyltransferase (ST6N) enzyme. The increase in ST activity was proportional to the basal cellular sialylation potentials with the high activity clones showing the greatest increase. This was paralleled by an up-regulation of the level of overall sialoglycoprotein glycosylation level. An increase in the levels of the polysialic acid (PSA) epitope was associated with a parallel increase in the levels of the neural cell adhesion molecule (NCAM) protein backbone although there was no overall change in the PSA:NCAM ratio following RA treatment.
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