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BMC Med Genet. 2009 Jun 7;10:52. doi: 10.1186/1471-2350-10-52.

PPARgamma Pro12Ala polymorphism and risk of acute coronary syndrome in a prospective study of Danes.

Author information

1
National Food Institute, Technical University of Denmark, Søborg, Denmark. ulbvo@food.dtu.dk

Abstract

BACKGROUND:

Acute coronary syndrome (ACS) is a major cause of morbidity and mortality in the western world. Peroxisome proliferator-activated receptor gamma (PPARgamma) plays a key role in the regulation of the energy balance, adipocyte differentiation and lipid biosynthesis. The aim was to investigate if the polymorphism PPARgamma2 Pro12Ala, which encodes a less efficient transcription factor, was associated with risk of acute coronary disease and if there were interactions between this polymorphism and factors that modify PPARgamma activity, such as alcohol intake, smoking, and use of non-steroidal anti-inflammatory medicine.

METHODS:

A case-cohort study including 1031 ACS cases and a sub-cohort of 1703 persons was nested within the population-based prospective study Diet, Cancer and Health of 57,053 individuals.

RESULTS:

Homozygous male variant allele carriers of PPARgamma2 Pro12Ala were at higher risk of ACS (HR = 2.12, 95% CI: 1.00-4.48) than homozygous carriers of the Pro-allele. Among men, there was a statistically significant interaction between genotypes and alcohol intake such that homozygous variant allele carriers with a low alcohol intake were at higher risk of ACS (HR = 25.3, CI: 16.5-38.7) compared to homozygous common allele carriers (p for interaction < 0.0001). Overall, the association was only observed among homozygous variant allele carriers. Thus, all the observed associations were obtained in subgroups including small numbers of cases. It is therefore possible that the observed associations were due to chance.

CONCLUSION:

In the present study, there were no consistent associations between PPARgamma Pro12Ala and risk of ACS, and no consistent interaction with alcohol, BMI, NSAID or smoking in relation to ACS.

PMID:
19500413
PMCID:
PMC2698834
DOI:
10.1186/1471-2350-10-52
[Indexed for MEDLINE]
Free PMC Article
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