CLONING AND EXPRESSION OF CDNA FOR O-ACETYLATION OF GD3 GANGLIOSIDE
1996
Abstract O -acetylated sialic acids of glycoproteins and gangliosides show cell type-specific and developmentally regulated expression in various systems and sometimes reappear as oncofetal antigens. O -acetylation of sialic acids may influence cell–cell interactions mediated by the sialic acid-binding lectins. Here we describe the molecular cloning and sequencing of a gene that produces O -acetyl disialoganglioside ( O -acetyl GD3). Expression analysis showed that this gene product participates the O -acetylation of GD3 ganglioside sialic acid. The deduced amino acid sequence of the product was found to be similar to the milk fat globule membrane glycoprotein.
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