Journal
FEBS LETTERS
Volume 495, Issue 1-2, Pages 44-47Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-5793(01)02361-4
Keywords
extracellular matrix; Ehlers-Danlos syndrome; proteoglycan; tenascin-X
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Tenascin-X (TN-X) is an extracellular matrix protein whose absence results in an alteration of the mechanical properties of connective tissue. To understand the mechanisms of integration of TN-X in the extracellular matrix, overlay. blot assays were performed on skin extracts, A 100 kDa molecule interacting,vith TN-X was identified by this method and this interaction was abolished when the extract was digested by chondroitinase. BS solid-phase assays,,ve showed that dermatan sulfate chains of decorin bind to the heparin-binding site included within the fibronectin-type III domains 10 and 11 of TN-X, We thus postulate that the association of TN-X with collagen fibrils is mediated bg decorin and contributes to the integrity of the extracellular network, (C) 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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