Association of Flavin Monooxygenase Gene E158K Polymorphism with Chronic Heart Disease Risk

O Yu Bushueva1, I V Bulgakova2, V P Ivanov2

  • 1Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University, Kursk, Russia. olga.bushueva@inbox.ru.

Insights

The FMO3 gene E158K polymorphism increases chronic heart disease risk in women with the 158KK genotype. This genetic variation is a key predictor of heart disease predisposition specifically in females.

Area of Science:

  • Genetics and Cardiovascular Health

Background:

  • Chronic heart disease (CHD) poses a significant global health burden.
  • Genetic factors, including specific gene polymorphisms, are increasingly recognized as contributors to CHD risk.
  • The Flavin-containing monooxygenase 3 (FMO3) gene plays a role in xenobiotic metabolism, potentially influencing cardiovascular health.

Purpose of the Study:

  • To investigate the association between the FMO3 gene E158K polymorphism and the risk of chronic heart disease.
  • To determine if this polymorphism presents a differential risk in men versus women.

Main Methods:

  • Polymerase Chain Reaction (PCR) was employed to identify genotypes.
  • Restriction Fragment Length Polymorphism (RFLP) analysis was utilized to analyze the FMO3 E158K polymorphism.
  • Statistical analysis was performed to correlate genotypes with CHD risk.

Main Results:

  • The homozygous 158KK genotype of the FMO3 gene was significantly associated with an elevated risk of chronic heart disease in women.
  • No significant association was observed between the FMO3 gene E158K polymorphism and chronic heart disease risk in men.
  • The FMO3 E158K polymorphism emerged as a significant predictor of chronic heart disease predisposition in the female population.

Conclusions:

  • The FMO3 gene E158K polymorphism, particularly the 158KK genotype, represents a specific risk factor for chronic heart disease in women.
  • This finding highlights the importance of considering sex-specific genetic predispositions in cardiovascular disease research and clinical practice.

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