PPAR gamma Pro(12)Ala polymorphism and risk of acute coronary syndrome in a prospective study of Danes

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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Background: Acute coronary syndrome (ACS) is a major cause of morbidity and mortality in the western world. Peroxisome proliferator-activated receptor gamma (PPAR gamma) plays a key role in the regulation of the energy balance, adipocyte differentiation and lipid biosynthesis. The aim was to investigate if the polymorphism PPAR gamma 2 Pro(12)Ala, 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 PPAR gamma 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 PPAR gamma 2 Pro(12)Ala 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 PPAR gamma Pro(12)Ala and risk of ACS, and no consistent interaction with alcohol, BMI, NSAID or smoking in relation to ACS.
Original languageEnglish
JournalBMC Medical Genetics
Publication date2009
Volume10
Pages52
ISSN1471-2350
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 13
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