Abstract
Dermatan sulfate-chondroitin sulfate copolymers with a high content of dermatan sulfate are stored in cultured human skin fibroblasts from patients affected with mucopolysaccharidosis VI (Maroteaux-Lamy disease). Characterization of the storage material provided evidence that hyaluronidase-like enzymes are not present in these fibroblasts. This is based on the following observations: (i) dermatan sulfate chains stored intracellularly show no reduction of molecular size as compared with intact chains isolated from the extra-cellular space; (ii) the stored dermatan sulfate chains lack reducible end groups generated by endoglycosidases; (iii) homogenates of human skin fibroblasts do not degrade hyaluronate and (iv) the stored dermatan sulfate chains are degraded by testes hyaluronidase.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - General Subjects
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