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Association of Genetic Polymorphisms of IFNGR1 with the Risk of Pulmonary Tuberculosis in Zahedan, Southeast Iran.


ABSTRACT: Aim. The present study was undertaken to find out the possible association between interferon-gamma (IFN-?) receptor 1 (IFNGR1) gene polymorphisms and risk of pulmonary tuberculosis (PTB) in a sample of Iranian population. Methods. Polymorphisms of IFNGR1 rs1327474 (-611 A/G), rs11914 (+189 T/G), rs7749390 (+95 C/T), and rs137854905 (27-bp ins/del) were determined in 173 PTB patients and 164 healthy subjects. Results. Our findings showed that rs11914 TG genotypes decreased the risk of PTB in comparison with TT (OR = 0.36, 95% CI = 0.21-0.62, and p = 0.0002). The rs11914 G allele decreased the risk of PTB compared with T allele (OR = 0.41, 95% CI = 0.25-0.68, and p = 0.0006). IFNGR1 rs7749390 CT genotype decreased the risk of PTB in comparison with CC genotype (OR = 0.55, 95% CI = 0.32-0.95, and p = 0.038). No significant association was found between IFNGR1 rs1327474 A/G polymorphism and risk/protective of PTB. The rs137854905 (27-bp I/D) variant was not polymorphic in our population. Conclusion. Our findings showed that IFNGR1 rs11914 and rs7749390 variants decreased the risk of PTB susceptibility in our population.

SUBMITTER: Naderi M 

PROVIDER: S-EPMC4663002 | BioStudies | 2015-01-01

REPOSITORIES: biostudies

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