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The role of NF-κB1A promoter polymorphisms on coronary artery disease risk

Nil Özbilüm1, Serdal Arslan, Öcal Berkan

  • 1Department of Molecular Biology and Genetics, Faculty of Science, Cumhuriyet University, Sivas, Turkey.

Basic & Clinical Pharmacology & Toxicology
|May 23, 2013
PubMed

Insights

The NF-κBIA-826TT genotype is a significant risk factor for coronary artery disease (CAD) in the Turkish population. This finding may serve as a valuable marker for CAD development and prevention strategies.

Area of Science:

  • Genetics
  • Cardiovascular Disease
  • Immunology

Background:

  • Coronary artery disease (CAD) is a leading global cause of mortality, recognized as a chronic inflammatory condition.
  • Nuclear factor kappa B (NF-κB) is a key regulator of immune responses.
  • NF-κB inhibitor alpha (NF-κBIA) plays a crucial role in modulating NF-κB activity.

Purpose of the Study:

  • To investigate the association between CAD and specific polymorphisms in the NF-κBIA gene (-297 C/T, -826 C/T, -881 A/G) within a Turkish population.
  • To determine if these NF-κBIA gene variants are risk factors for the development of CAD.

Main Methods:

  • Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was employed to analyze genotypes.
  • The study included 201 patients diagnosed with CAD and 201 healthy controls from Turkey.
  • Allele, genotype, and haplotype frequencies were compared between the case and control groups.

Main Results:

  • No significant differences were observed for NF-κBIA-297 C/T and -881 A/G polymorphisms between CAD patients and controls.
  • The NF-κBIA-826TT genotype frequency was significantly higher in CAD patients (p=0.015, adjusted OR=7.09).
  • The NF-κBIA-826T allele carriage rate was also significantly higher in CAD patients (p=0.03, OR=1.43).
  • Linkage analysis revealed close linkage among the three NF-κBIA variants, with specific haplotypes (TTG, TTA, TCG) associated with CAD risk.

Conclusions:

  • The NF-κBIA-826TT genotype is identified as a significant risk factor for CAD in the studied Turkish population.
  • This genotype may serve as a valuable genetic marker for predicting CAD development.
  • Further research into the functional implications of NF-κBIA variants in CAD pathogenesis is warranted.

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