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PPAR Res. 2010;2010. pii: 876049. doi: 10.1155/2010/876049. Epub 2010 Aug 12.

Therapeutic Implications of PPARgamma in Cardiovascular Diseases.

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1
Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.

Abstract

Peroxisome proliferator-activated receptor-gamma (PPARgamma) is the members of the nuclear receptor superfamily as a master transcriptional factor that promotes differentiation of preadipocytes by activating adipose-specific gene expression. Although PPARgamma is expressed predominantly in adipose tissue and associated with adipocyte differentiation and glucose homeostasis, PPARgamma is also present in a variety of cell types including vascular cells and cardiomyocytes. Activation of PPARgamma suppresses production of inflammatory cytokines, and there is accumulating data that PPARgamma ligands exert antihypertrophy of cardiomyocytes and anti-inflammatory, antioxidative, and antiproliferative effects on vascular wall cells and cardiomyocytes. In addition, activation of PPARgamma is implicated in the regulation of endothelial function, proliferation and migration of vascular smooth muscle cells, and activation of macrophages. Many studies suggest that PPARgamma ligands not only ameliorate insulin sensitivity, but also have pleiotropic effects on the pathophysiology of atherosclerosis, cardiac hypertrophy, ischemic heart, and myocarditis.

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