
doi: 10.1248/cpb.46.97
pmid: 9468641
Keratan sulfate was isolated from normal human urine and was characterized by sugar compositional analysis and H-NMR spectroscopy. It was found that KS from human urine is classified as skeletal type (KS-II type chain) with an O-glycosidic linkage between galactosamine and serine (or threonine). H-NMR studies revealed that urinary KS is not a proteoglycan but a polysaccharide (molecular weight is about 5 kDa). The quantitation of human urinary KS by HPLC showed that urinary KS is excreted at constant levels (0.07 +/- 0.015 microgram/mg creatinine).
Threonine, Magnetic Resonance Spectroscopy, keratan sulfate, Carbohydrates, keratanase, Galactosamine, Molecular Weight, human urine, Keratan Sulfate, Polysaccharides, ^1H-NMR, Serine, Humans, Electrophoresis, Polyacrylamide Gel, HPLC, Chromatography, High Pressure Liquid
Threonine, Magnetic Resonance Spectroscopy, keratan sulfate, Carbohydrates, keratanase, Galactosamine, Molecular Weight, human urine, Keratan Sulfate, Polysaccharides, ^1H-NMR, Serine, Humans, Electrophoresis, Polyacrylamide Gel, HPLC, Chromatography, High Pressure Liquid
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