From CHD Susceptibility Genes to New Therapeutics
The identification of genetic disease susceptibility genes has been pursued with the expectation to rapidly translate causal disease mechanisms into innovative therapeutics. Indeed, several susceptibility genes have led to the elucidation of molecular pathologies and the development of new drugs and diagnostics for disease management. We review in this article how the identification of susceptibility genes for high density lipoprotein (HDL) particle deficiencies have changed our understanding of lipid metabolism and how this understanding is being used in translational research for the discovery of new treatment strategies.
The identification of ATP-binding cassette transporter A1 (ABCA1) and transcriptional repressor zinc finger protein 202 (ZNF202) as susceptibility genes for coronary heart disease (CHD) and hypoalphalipoproteinemia, led to the characterization of a functional network of genes involved in lipid metabolism.
Currently available drug classes for metabolic and dyslipidemic indications such as the glitazones, fibrates and statins have been shown to modulate the expression of some components involved in reverse cholesterol transport. The characterization of new regulators of this gene network that are amenable to pharmaceutical modulation such as the nuclear receptors FXR, LXR, PXR, PPAR and RXR may offer new perspectives in disease treatment, if undesirable side effects can be diminished. In addition, the characterization of ABCA1-mediated lipid efflux systems has provided new biomarkers to assess the pharmacological effects of new therapeutic strategies on reverse cholesterol transport.
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Document Type: Review Article
Publication date: June 1, 2003
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