RESEARCH ARTICLE


New Insights into the Role of Oxidative Stress in Scleroderma Fibrosis



Armando Gabrielli*, Silvia Svegliati, Gianluca Moroncini , Donatella Amico
Dipartimento di Scienze Cliniche e Molecolari - Clinica Medica - Università Politecnica delle Marche, Ancona, Italy


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© Gabrielli et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Dipartimento di Scienze Cliniche e Molecolari- Clinica Medica, Università Politecnica delle Marche, Ancona, Italy; Tel: +39 071 2206104; Fax: +39 071 2206103; E-mail: a.gabrielli@univpm.it


Abstract

Systemic sclerosis (Scleroderma – SSc) is a connective tissue disorder of unknown aetiology characterized by extensive fibrosis of the skin and visceral organs, by vascular abnormalities and immunological manifestations.

Recent evidence suggest that the cellular redox state may play a significant role in the progression of scleroderma fibrosis. Mechanisms involved include an autoamplification circuit linking ROS, Ras and ERK 1-2 which in turn amplifies and maintains the autocrine loop made up by cytokines, growth factors and their cognate receptors.

This review summarizes the recent progress on the role of oxidative stress in the pathophysiology of scleroderma and disorders characterised by organ fibrosis

Keywords: Systemic sclerosis, free radicals, fibrosis..