PMID: 8609438Jun 1, 1995Paper

Cytokines, fibrinolysis and vasculitis

International Angiology : a Journal of the International Union of Angiology
P Teofoli, Torello Lotti

Abstract

Endothelial cells are critical elements in the evolution of all types of cutaneous inflammation. They participate the pathological process through the synthesis and secretion of pro-inflammatory cytokines, including interleukin 1 (IL1), IL6, IL8, and the three colony stimulating factors G-CSF, M-CSF, and GM-CSF and the two chemotactic factors gro-alpha and MCP. They also express a series of cell-surface proteins and glycoproteins known as cell adhesion molecules that allow circulating leukocytes to selectively bind to endothelial cells. In this paper we discuss the role of endothelial cells in the evolution of cutaneous necrotizing vasculitis, an immunologically mediated clinical disorder associated with segmental inflammation and fibrinoid necrosis of the dermal venules, through the release of cytokines or their response to cytokines locally produced from leukocytes themselves primarily involved in the endothelial cells injury. This interaction seems to involve and modulate other biologically active systems including the fibrinolytic system that can act amplifying and self-perpetuating the tissue damage through a non-immunologic mechanism.

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