Abstract
PREVIOUS biochemical studies of acid mucopolysaccharides of cartilage were largely limited to mammalian tissues1. The principal polysaccharides found were chondroitin sulphate A and chondroitin sulphate C, with keratosulphate a minor component. The wide distribution of these acid mucopolysaccharides among all vertebrate classes, as shown by a preliminary survey2, suggests that their presence may be a systematic characteristic of vertebrate cartilage. Thus far only cartilages of elasmobranchs and lampreys have been found to contain sulphated chondroitin sulphate C type polysaccharides; sulphated keratosulphate is present in elasmobranchs only. These polysaccharides are similar to chondroitin sulphate C and keratosulphate, respectively, except for an excess of ester sulphate, above one mole per mole hexosamine.
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MATHEWS, M., DUH, J. & PERSON, P. Acid Mucopolysaccharides of Invertebrate Cartilage. Nature 193, 378–379 (1962). https://doi.org/10.1038/193378a0
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DOI: https://doi.org/10.1038/193378a0
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