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Current Drug Targets - Cardiovascular & Hematological Disorders

Editor-in-Chief

ISSN (Print): 1568-0061
ISSN (Online): 1568-0061

Liver X Receptors: Potential Novel Targets in Cardiovascular Diseases

Author(s): Dennis Bruemmer and Ronald E. Law

Volume 5, Issue 6, 2005

Page: [533 - 540] Pages: 8

DOI: 10.2174/156800605774961988

Price: $65

Abstract

The Liver X Receptors, LXRα and LXRβ are members of the nuclear hormone receptor superfamily which have recently been implicated as novel pharmacological targets for the treatment of cardiovascular diseases. The identification of natural and synthetic ligands for LXRs and the generation of LXR-deficient mice have been crucial for our understanding of the function of these receptors and for the identification of LXR-regulated target genes, particularly with respect to the role of LXRs in regulating cholesterol homeostasis. Synthetic LXRα/β agonists induce cholesterol efflux and reverse cholesterol transport, improve glucose metabolism, inhibit macrophage-derived inflammation, and suppress the proliferation of vascular smooth muscle cells. By regulating the expression of multiple genes involved in these pathways, LXR agonists prevent the development and progression of atherosclerosis and inhibit neointima formation following angioplasty of the arterial wall. In this review, we will summarize the important roles of LXR in metabolism and vascular biology and discuss its implications as potential molecular drug target for the treatment of cardiovascular diseases.

Keywords: high-density lipoprotein, reverse cholesterol transport (RCT), LXR-deficient mice, Lipogenesis, atherosclerosis, anti-inflammatory


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