PPARγ and atherosclerosis

ISSN： 1473-4877

Source： Current Medical Research and Opinion, Vol.21, Iss.3, 2005-03, pp. : 13-20

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Abstract

Background: Peroxisome proliferator-activated receptor (PPAR)γ regulates a number of cellular processes that affect glucose homeostasis, endothelial function and vessel wall inflammation, as well as protecting against cardiovascular complications that occur in diabetes. Thiazolidinediones are PPARγ agonists that are in clinical use for the treatment of type 2 diabetes. Accumulating evidence indicates that thiazolidinediones may exert cardioprotective effects at each stage of atherogenesis.Scope: This paper reviews preclinical and clinical evidence (identified from a search of MEDLINE databases) supporting a beneficial cardiovascular effect of thiazolidinediones and discusses the implications of these data for the optimal use of thiazolidinediones in clinical practice.Findings: In vitro animal model and clinical studies indicate that thiazolidinediones correct endothelial dys function, suppress chronic inflammatory processes, reduce fatty streak formation, delay plaque evolution and vessel wall thickening and enhance plaque stabilization and regression.Conclusion: Thus, thiazolidinediones show potential as potent anti-inflammatory, antithrombotic agents that could both improve glucose levels and the long-term cardio vascular risk related to atherosclerosis in patients with type 2 diabetes.