Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0403608 (ureter)
 9,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Total non-acid and acid glycolipid fractions were isolated from epithelial cell scrapings and the non-epithelial residue of a human upper ureter. The glycolipid fractions were structurally characterized as total mixtures by thin-layer chromatography, mass spectrometry, and proton NMR spectroscopy. Selected structural information was also obtained on binding of monoclonal antibodies and bacteria to the thin-layer chromatograms. The major epithelial cell glycolipids were Glc beta 1-1ceramide (75%), dihexosylceramide (10%) and NeuAcLacceramide (10%). In addition, 8 minor glycolipids belonging to the blood group P, Lewis and ABO systems were identified. The major glycolipids of the non-epithelial residues were mono- and dihexosylceramides together with globotriaosyl- and globotetraosylceramides. The epithelial mono- and diglycosylceramide compounds had an unusual ceramide composition with mainly C18 and C20 trihydroxy long chain bases in combination with C22-C24 hydroxy fatty acids in contrast to the non-epithelial glycolipids which contained mainly C18 dihydroxy long chain bases in combination with C16-C24 non-hydroxy fatty acids.
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PMID:The specific glycosphingolipid composition of human ureteral epithelial cells. 408 74