Role of Adiponectin Gene and Receptor Polymorphisms and Their mRNA Levels with Serum Adiponectin Level in Myocardial Infarction.

BACKGROUND AND AIM

Genetic factors are vital participants in the development and progression of myocardial infarction (MI). Adiponectin has been assumed to have a protective role in MI and adiponectin receptors variants could be a determinant for atherosclerosis. We aimed to evaluate the prevalence of (rs2241766) and (rs10773989) polymorphisms and their association with mRNA levels and circulatory adiponectin levels in patients with MI.

SUBJECTS AND METHODS

A total of 220 participants were classified into two groups: group 1 included 120 patients with MI, and group 2 involved 100 healthy participants as controls. Genotyping of (rs2241766) and (rs10773989) polymorphisms were analyzed using an allele discrimination assay with real-time PCR and their relative expression or mRNA levels were determined by real-time PCR. Serum adiponectin level was determined using an ELISA technique.

RESULTS

The rs2241766 GG genotype and G allele and the CC genotype and C allele of rs10773989 were significantly prevalent in patients with MI and associated with increased risk of MI. We detected a marked reduction in serum adiponectin, ADIPOQ and ADIPOR2 mRNA levels in patients than control. The GG genotype of rs2241766 and the CC genotype of rs10773989 had the lowest levels of their mRNA and adiponectin level in both patients and controls.

CONCLUSION

Adiponectin gene and receptor variants are potentially related to MI risk; furthermore, their expressions were markedly depressed in MI which suggests their use as potential biomarkers for MI.