Disease Markers

Disease Markers / 2010 / Article

Open Access

Volume 28 |Article ID 357304 | 7 pages | https://doi.org/10.3233/DMA-2010-0710

Effect of Genetic Variant (rs11887534) in ABCG8 Gene in Coronary Artery Disease and Response to Atorvastatin Therapy

Received25 Jun 2010
Accepted25 Jun 2010


Background: ATP-binding cassette transporter ABCG8 plays an important role in excretion of cholesterol from liver. Common genetic polymorphisms in ABCG8 gene may genetically predispose an individual to coronary artery disease (CAD) along with response to atorvastatin therapy. Thus, we aimed to examine the role of ABCG8 D19H polymorphism (rs11887534) in susceptibility to CAD and its influence on atorvastatin response.Methodology: The study included 213 CAD patients and 220 controls. Genotyping of ABCG8 D19H polymorphism was done by PCR-RFLP.Results: Our results showed that ABCG8 ‘H’ allele was conferring significant risk for CAD in a dominant model (OR = 2.54; p = 0.014). This increased risk for CAD was more pronounced in males (OR = 2.69; p = 0.030). No correlation of ABCG8 genotypes with the risk factors (diabetes, hypertension and smoking) of CAD was observed. On atorvastatin treatment there was a significant decrease in the LDL-C levels (p = 0.021). However, stepwise multiple regression analysis showed that this decease was not associated with ABCG8 genetic variant (p = 0.845). Observed determinants of variation in interindividual response to atorvastatin therapy were pre-treatment LDL-C (p = 0.024) and TC (p = 0.017).Conclusion: Although the genetic variant 19H of ABCG8 confers risk for CAD in North Indian population, it is not associated with interindividual response to atorvastatin therapy.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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