Molecular aspects of scleroderma

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Abstract
Scleroderma is a complex disease characterized by activation of the immune system, small-vessel vasculopathy, and fibrosis of the skin and other organs. This review is limited to the discussion of scleroderma fibroblast biology and the cellular and molecular mechanisms that contribute to the abnormal deposition of collagen. Selected aspects of abnormal extracellular matrix (ECM) regulation by scleroderma fibroblasts are critically reviewed. These include the role of transforming growth factor-beta (TGF-beta) and connective tissue growth factor (CTGF) and their receptors in the fibrotic process in scleroderma and the overview of the transcription factors involved in regulation of the human alpha2 (I) collagen (COL1A2) gene.

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