PAI-1 and tPA gene polymorphisms and susceptibility to chronic obstructive pulmonary disease in a sample of Turkish population

• Published in: Journal of the Pakistan Medical Association 2020-12, p.1-12
• Main Authors: Aysel Sunnetcioglu, Mehmet Berkoz, Metin Yildirim, Gulhan Bora, Serap Yalin
• Format: Article
• Language: English
• ISSN: 0030-9982
• DOI: 10.47391/JPMA.250

Abstract Objective: The aim of this study was to assess the influence of plasminogen activator inhibitor-1 (PAI-1) 4G/5G or tissue plasminogen activator (tPA) I/D  polymorphisms in chronic obstructive pulmonary disease (COPD) cases in a sample of Turkish population. Methods: PAI-1 4G/5G and tPA Alu-repeat I/D genetic polymorphisms in 153 COPD subjects and 160 controls were investigated using PCR-RFLP and PCR methods, respectively. Results: 4G allele frequency was 0.62 and 0.39 for COPD and control groups, respectively. 4G allele had an estimated 2.56-fold [95% CI = 1.85–3.53] increased risk of COPD.  tPA I allele frequency was 0.55 and 0.50, for COPD and control groups, respectively. I allele had an estimated 1.19-fold [95% CI = 0.87–1.62] increased risk of COPD Conclusions: PAI-1 4G/4G and 4G/5G genotypes seemed to play a key role in the pathophysiology of COPD in Turkish individuals. Keywords: COPD; Genetic susceptibility; Polymorphisms; Tissue-type plasminogen activator (tPA); Plasminogen activator inhibitor-1 (PAI-1)