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Oligosaccharides from placenta: early diagnosis of feline mannosidosis
Authors:C D Warren  J Alroy  B Bugge  P F Daniel  S S Raghavan  E H Kolodny  J J Lamar  R W Jeanloz
Abstract:High-pressure liquid chromatography analysis of oligosaccharides from placentas allowed the diagnosis of alpha-mannosidosis in three litters of kittens. The chromatography also afforded a detailed comparison of the oligosaccharide pattern and levels in placenta, liver, brain, urine and ocular fluid of the affected animals. In all cases, two series of compounds were observed, with one or two residues of N-acetylglucosamine at the reducing terminus, respectively, and between two and nine mannose residues. This pattern is unlike that of human mannosidosis, and resembles that of ruminants, except that the major oligosaccharide contains three mannose residues instead of two.
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