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  • Title: Glycosaminoglycan synthesis by glomeruli in vivo and in vitro.
    Author: Brown DM, Michael AF, Oegema TR.
    Journal: Biochim Biophys Acta; 1981 Apr 17; 674(1):96-104. PubMed ID: 6786359.
    Abstract:
    The distribution of glycosaminoglycans in disrupted glomerular fractions was studied using 35SO4-labeling in vivo and in vitro. The majority of 35S of isolated glomerular basement membrane was found in heparan sulfate after in vivo and in vitro pulses, although the absolute proportion and the degrees of N-sulfation and N-acetylation varied with the conditions of exposure. Varying amounts of chondroitin sulfate and dermatan sulfate were found in the glomerular basement membrane fraction and larger proportions of both of these glycosaminoglycans as well as of heparan sulfate were found in various glomerular fractions. Glomerular glycosaminoglycans distribution studies must take into account the experimental conditions. Basement membrane-like components of the glomerulus such as the mesangial matrix may have varying glycosaminoglycan composition which may be found in association with glomerular basement membrane fractions.
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