Why the study?
Atrial fibrillation has a complex etiology involving genetic factors, and the association between the PITX2-adjacent rs2200733 SNP and AFib had not been examined in the Jordanian population.
Is the mutant T allele of the rs2200733 SNP associated with an increased risk of atrial fibrillation in a Jordanian population?
Is the mutant T allele of the rs2200733 SNP associated with an increased risk of atrial fibrillation in a Jordanian population?
The rs2200733 SNP mutant T allele is associated with a 1.65-fold increased risk of atrial fibrillation in the Jordanian population.
Introduction: Atrial fibrillation (AFib) is a common disorder featured by an irregular and fast heartbeat. The etiology of AFib is complex and involves genetic and environmental factors. The rs2200733 single nucleotide polymorphism (SNP) is located in close proximity to the promoter of paired-like homeodomain transcription factor 2 (PITX2) which plays a role in heart development. Objective: In this study, the association between the rs2200733 SNP and AFib was examined in the Jordanian population. Methods: The study included 450 subjects (274 controls and 176 patients with AFib). Patients were recruited from King Abdullah University Hospital based on the European Society of Cardiology criteria. The rs2200733 SNP was genotyped using restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) technique. Results: The mutant T allele of the rs2200733 SNP was common in the studied population with a frequency of 19%. The T allele and CT/TT genotypes were prevalent among patients with AFib compared with the controls (P<0.05, OR [CI]: 1.65 [1.12-2.43]). In addition, body mass index, diabetes, and hypertension were found to be associated with AFib risk. Conclusion: The rs2200733 SNP was associated with AFib among Jordanian patients. The mutant T allele of the rs2200733 SNP might increase the risk of AFib.
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Al-Kasasbeh et al. (2024) studied this question.
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