The altered expression of syndecan 4 in the uninvolved skin of venous leg ulcer patients may predispose to venous leg ulcer

Nagy, Nikoletta and Németh, István Balázs and Szabad, Gábor and Szolnoky, Győző and Belső, Nóra and Csörgő Sándorné Bata, Zsuzsanna and Dobozy, Attila and Kemény, Lajos and Széll, Márta (2008) The altered expression of syndecan 4 in the uninvolved skin of venous leg ulcer patients may predispose to venous leg ulcer. WOUND REPAIR AND REGENERATION, 16 (4). pp. 495-502. ISSN 1067-1927

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Abstract

Syndecan 4 (SDC4), a heparan sulfate proteoglycan, and neuropilin 1 (NRP1), a transmembrane receptor, are both involved in normal wound healing, but little is known about their possible role in venous leg ulcer pathogenesis. We aimed to investigate whether there are any expression abnormalities and/or gene polymorphisms of SDC4 and NRP1 associated with venous leg ulcer. SDC4 showed significantly lower mRNA and protein expression in the uninvolved dermis of venous leg ulcer patients (n=15) compared with controls (n=15; p=0.0136), while NRP1 showed no expression abnormalities. None of the examined SDC4 and NRP1 polymorphisms showed a difference in their allelic distribution between leg ulcer patients (n=92) and controls (n=92). We hypothesize that SDC4 may play an essential role not only in the inflammation and tissue formation phases of normal wound healing, but its expression abnormalities observed in the uninvolved dermis of venous leg ulcer patients may contribute to venous leg ulcer development.

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