Abstract:
:Genetic factors affect host susceptibility to pathogens. In this population-based case control study, we explored the genetic polymorphisms of IL-17, TLR4 and miR-146a in association with pulmonary tuberculosis in a Chinese Han population. We recruited 1601 pulmonary tuberculosis patients matched with 1526 healthy controls and genotyped twelve functional single nucleotide polymorphisms (SNPs). After the correction for multiple comparisons, two SNPs (rs10759932 and rs2737190) in the TLR4 gene remained significant. Individuals carrying the rs2737190-AG genotype (vs. AA) had a significantly increased risk of either clinical tuberculosis (OR: 1.31, 95% CI: 1.11-1.53) or sputum smear-positive tuberculosis (OR: 1.35, 95% CI: 1.13-1.61). Stratification analysis revealed that the effects of genetic variations on tuberculosis were more evident among non-smokers. People with haplotype TLR4 rs10983755G-rs10759932C had a significantly increased risk of tuberculosis (OR: 3.43, 95% CI: 2.34-5.05). Moreover, we found that SNPs of rs3819024 in IL-17A and rs763780 in IL-17F were weakly related to a prognosis of tuberculosis. Our results suggest that genetic polymorphisms of IL-17 and TLR4 may play a role in host susceptibility to tuberculosis in the Chinese Han population. More work is necessary to identify specific causative variants of tuberculosis underlying the observed associations.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang M,Xu G,Lü L,Xu K,Chen Y,Pan H,Burstrom B,Burstrom K,Wang Jdoi
10.1038/srep28586subject
Has Abstractpub_date
2016-06-24 00:00:00pages
28586issn
2045-2322pii
srep28586journal_volume
6pub_type
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