PubMed:3942764 / 992-1015 4 Projects
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Glycosphingolipid patterns of fetal and adult small intestinal mucosa in the sheep.
The ganglioside and neutral glycosphingolipid composition of fetal and adult sheep small intestinal mucosa were characterized and compared. Mono- and tetrahexosylceramide were the major neutral glycolipids of both fetal and adult tissue. Fetal mucosa, however, possessed a higher content of monohexosylceramide than its adult counterpart. Similarly, GD1a, GM3 and GM2 were found to be the principal gangliosides in fetal and adult tissue. Adult intestinal mucosa possessed significant amounts of GT1a not present in fetal tissue. Analysis of the hydroxy and nonhydroxy fatty acids as well as the long-chain bases of the major glycosphingolipids revealed differences between these lipophilic components of glycolipids in fetal and adult intestinal mucosa. The results, therefore, indicate that both quantitative and qualitative differences in glycosphingolipid composition exist between fetal and adult sheep small intestinal mucosa.
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