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MinK gene polymorphism in the pathogenesis of lone atrial fibrillation

Andrzej Prystupa1, Grzegorz Dzida, Wojciech Myśliński

  • 1Katedra i Klinika Chorób Wewnetrznych Akademii Medycznej im. prof. Feliksa Skubiszewskiego, Samodzielny Publiczny Szpital Kliniczny Nr 1, ul. Staszica 16, 20-081 Lublin. aprystupa@poczta.clinika.pl

Kardiologia Polska
|December 14, 2006
PubMed
Abstract

Insights

The MinK G38S gene polymorphism is linked to an increased risk of lone atrial fibrillation (AF). The GG genotype significantly elevates AF risk, while the S allele may offer protection.

Area of Science:

  • Genetics
  • Cardiology
  • Molecular Biology

Background:

  • Atrial fibrillation (AF) is a common arrhythmia.
  • Lone AF affects a subset of AF patients, with potential genetic underpinnings.

Purpose of the Study:

  • To investigate the association between the MinK G38S polymorphism and lone AF incidence.
  • To assess the potential of this polymorphism as a genetic susceptibility marker for AF.

Main Methods:

  • Study included 69 lone AF patients and 60 healthy controls (age ≤ 65, no cardiovascular/thyroid disease).
  • MinK gene genotyping performed using PCR-RFLP, identifying G and S alleles.
  • Statistical analysis, including logistic regression, evaluated genotype-AF risk associations.

Main Results:

  • The MinK G allele was more prevalent in lone AF patients (62.32%) than controls (41.80%) (p=0.009).
  • The GG genotype showed a significant, over 10-fold, increase in AF risk.
  • The S allele of the MinK gene appeared to be a protective factor against AF.

Conclusions:

  • The MinK G38S polymorphism is associated with the incidence of lone AF.
  • Carrying the GG genotype may significantly increase AF risk.
  • The MinK G38S polymorphism could serve as a genetic risk marker for lone AF.

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