Taurine: A Potential Novel Addition to the Anti-Systemic Sclerosis Weaponry
Vascular damage and immunological events leading to generation of fibrogenic fibroblasts are the main components of systemic sclerosis (SSc) pathogenesis. Superoxide anions play a role in endothelial damage by oxidizing circulating low-density lipoproteins. IL-1 plays a key role in the pathophysiology of SSc by inducing upregulation of adhesion molecules, inflammatory damage of the endothelium and tissue fibrosis. Elevated levels of proTh2 cytokines such as IL-6 in the early stages of SSc lead to enhanced fibroblast collagen production.
Taurine, a semi-essential amino acid, is an antioxidant, inhibits the production of proinflammatory cytokines such as IL-1 and IL-6 and also inhibits production of TGF-β, a major fibrogenic cytokine.
Therefore, we conclude that taurine may be a novel addition to the treatment armamentarium of this disabling disorder.
Key Words: Taurine, Antioxidant, Fibrosis, TGF-β, IL-1, Autoimmunity
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PII: S0188-4409(09)00212-4
doi:10.1016/j.arcmed.2009.11.005
© 2010 IMSS. Published by Elsevier Inc. All rights reserved.
