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Full-Text Articles in Dermatology
Increased Expression Of Napdh Oxidase 4 In Systemic Sclerosis Dermal Fibroblasts: Regulation By Transforming Growth Factor Β., Sonsoles Piera-Velazquez, Alma Makul, Sergio A. Jimenez
Increased Expression Of Napdh Oxidase 4 In Systemic Sclerosis Dermal Fibroblasts: Regulation By Transforming Growth Factor Β., Sonsoles Piera-Velazquez, Alma Makul, Sergio A. Jimenez
Department of Dermatology and Cutaneous Biology Faculty Papers
OBJECTIVE: Systemic sclerosis (SSc) is characterized by severe and often progressive fibrosis of the skin and multiple internal organs. The mechanisms responsible for these alterations remain obscure, although excessive reactive oxygen species (ROS)-mediated oxidative stress has been implicated. NOX-4 is 1 of 7 isoforms of NADPH oxidase responsible for the generation of ROS. The purpose of this study was to examine NOX-4 expression in skin and cultured dermal fibroblasts from SSc patients and to examine its regulation by transforming growth factor β1 (TGFβ1).
METHODS: NOX-4 was assessed in normal and SSc skin by immunohistologic analysis and in normal and SSc …