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  • Title: Structural analysis of the major caprine beta-mannosidosis urinary oligosaccharides.
    Author: Matsuura F, Jones MZ, Frazier SE.
    Journal: Biochim Biophys Acta; 1983 Aug 23; 759(1-2):67-73. PubMed ID: 6882792.
    Abstract:
    Urinary oligosaccharides were studied in beta-mannosidosis, a newly identified, inherited glycoprotein catabolic disorder associated with severe neonatal neurological deficits, widespread lysosomal storage vacuoles and a deficiency of plasma and tissue beta-mannosidase. A preliminary analysis of the oligosaccharides was obtained by gel-permeation chromatography and mass chromatography. The major urinary oligosaccharides were then isolated by gel-permeation chromatography, DEAE-Sephadex column chromatography and preparative paper chromatography, and were analyzed by carbohydrate composition analysis, methylation studies, mass spectrometry and glycosidase digestion. As a result of these studies, beta-mannosyl-(1 leads to 4)-N-acetylglucosamine and beta-mannosyl-(1 leads to 4)-beta-N-acetylglucosaminyl-(1 leads to 4)-N-acetylglucosamine were identified as the major abnormal oligosaccharides. Galactosaminyl-(alpha 1 leads to 3)-[fucosyl-(alpha 1 leads to 2)]-galactose was also found in affected goat urine, while lactose was present in the urine of both control and affected goats.
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