Interaction of intact type VI collagen with hyaluronan - PubMed (original) (raw)

Interaction of intact type VI collagen with hyaluronan

C A McDevitt et al. FEBS Lett. 1991.

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Abstract

The capacity of non-pepsinyzed type VI collagen to bind to hyaluronan was investigated. Type VI collagen was extracted from bovine meniscal cartilage with 6 M GuHCl and purified by extraction of PEG precipitates and dissociative Sephacryl S-500 HR chromatography. Type VI collagen, detected with a monoclonal antibody, bound in 0.5 M NaCl to hyaluronan-coated micro-wells, the degree of binding being higher at 37 degrees C than 23 degrees C and 4 degrees C. Incubation of type VI collagen in competitive inhibition assays with testicular hyaluronidase digests of hyaluronan in liquid phase, reduced binding of the protein to hyaluronan-coated microwells to background levels. Thus, non-pepsinyzed type VI collagen binds to hyaluronan in vitro.

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