[Association between methylthioadenosine phosphorylase gene single nucleotide polymorphisms and myocardial infarction

Qi Zhang1, Shuang-shuang Cheng, Jie Yan

  • 1Department of Cardiology, the Affiliated Hospital of North China Coal Medical College, Tangshan 063000, China.

Insights

Methylthioadenosine phosphorylase (MTAP) gene single nucleotide polymorphisms (SNPs) were studied for association with myocardial infarction (MI) in Chinese Han individuals. A specific SNP, rs7027989, showed increased MI risk in males.

Area of Science:

  • Genetics
  • Cardiovascular Disease Epidemiology
  • Pharmacogenomics

Background:

  • Myocardial infarction (MI) is a leading cause of mortality globally.
  • Genetic factors play a role in MI susceptibility.
  • The methylthioadenosine phosphorylase (MTAP) gene is a potential candidate for influencing cardiovascular health.

Purpose of the Study:

  • To examine the association between single nucleotide polymorphisms (SNPs) in the MTAP gene and the risk of MI.
  • To investigate this relationship specifically within the Chinese Han population.

Main Methods:

  • A case-control study involving 432 MI patients and 430 healthy controls.
  • Genotyping of nine tag SNPs within the MTAP gene.
  • Stratified analysis based on gender.

Main Results:

  • No overall significant association was found between the selected MTAP SNPs and MI across all participants.
  • However, a significant association was detected for the rs7027989 SNP in male subjects.
  • Male carriers of the minor allele at rs7027989 had a 26% increased risk of MI (P = 0.005), even after adjusting for confounders.

Conclusions:

  • The MTAP gene, particularly the rs7027989 polymorphism, may contribute to the development of MI in the Chinese Han male population.
  • Further research is warranted to elucidate the precise mechanisms linking MTAP to MI etiology.
Abstract

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