Vascular Disease in Scleroderma

Article

Abstract

Although scleroderma is generally considered a fibrosing disease of the tissues, it is now recognized that the underlying vascular disease is playing a fundamental role in its pathogenesis and associated tissue injury. The exact mechanism for the widespread scleroderma vascular disease is still unknown, but endothelial cell injury induced by infection, immune-mediated cytotoxicity, antiendothelial antibodies, and/or ischemia-reperfusion have all been implicated. The downstream effects of blood vessel perturbation produce “biomarkers” of vascular damage that reflect disease and may predict clinical outcomes. A complex interaction between endothelial cells, smooth muscle cells, extracellular matrix, and intravascular circulating factors is now recognized to contribute to the vascular reactivity, remodeling, and occlusive disease of scleroderma. Understanding the mechanisms underlying these processes provides rationale of novel therapeutic strategies and specific targeted therapy. This review will outline some of the evidence for the causes and consequences of scleroderma vascular disease.

Keywords

Systemic sclerosis Scleroderma Vascular disease Endothelium Pathogenesis 

Notes

Acknowledgments

The author thanks the Scleroderma Research Foundation and the Board members of the Johns Hopkins Scleroderma Center, for their support of our research program, and Pam Hill and Jolene Patey for their help in the preparation of this manuscript. The author is grateful for the wonderful friendship and inspiration given by Dr Ronald Asherson over the years.

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© Humana Press Inc. 2008

Authors and Affiliations

  1. 1.Division of RheumatologyJohns Hopkins University School of MedicineBaltimoreUSA

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