Research Papers:

Association of IL4, IL6, and IL10 polymorphisms with pulmonary tuberculosis in a Tibetan Chinese population

Shumei He _, Shenglai Yang, Qin Zhao, Liang Wang, Hang Liu, Yemeng Sheng, Dongya Yuan and Tianbo Jin

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Oncotarget. 2018; 9:16418-16426. https://doi.org/10.18632/oncotarget.23995

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Shumei He1,2,3,*, Shenglai Yang4,*, Qin Zhao1,2,3, Liang Wang1,2,3, Hang Liu1,2,3, Yemeng Sheng1,2,3, Dongya Yuan1,2,3 and Tianbo Jin1,2,3,5

1Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi 712082, China

2Key Laboratory for Basic Life Science Research of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi 712082, China

3Key Laboratory of High Altitude Environment and Gene Related to Disease of Tibet Ministry of Education, School of Medicine, Xizang Minzu University, Xianyang 712082, Shaanxi, China

4Shaanxi Normal University, Xi’an, Shaanxi 710062, China

5Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, Northwest University, Xi’an 710069, China

*Joint first authors

Correspondence to:

Tianbo Jin, email: [email protected]

Dongya Yuan, email: [email protected]

Keywords: pulmonary tuberculosis; IL4; IL6; IL10; Tibetan Chinese population

Received: June 21, 2017     Accepted: November 11, 2017     Epub: January 06, 2018     Published: March 27, 2018


Background: Pulmonary tuberculosis (PTB) is an infectious disease with a high incidence worldwide. Genes encoding cytokines IL4, IL6, and IL10 are highly polymorphic and can influence the susceptibility to PTB.

Results: We found correlations between one SNP in IL6 (rs2069837 p = 6.63E-11), seven SNPs in IL10 (rs1554286 p = 6.87E-20, rs1518111 p = 6.11E-11, rs3021094 p = 6.75E-29, rs3790622 p = 2.40E-06, rs3024490 p = 6.73E-11, rs1800872 p = 6.18E-11, rs1800871 p = 6.73E-11) and incidences of PTB. The SNPs rs2069837, rs1554286, rs1518111, rs3024490, rs1800872, and rs1800871 increased PTB risk by 1.95-fold, 2.34-fold, 1.84-fold, 1.84-fold, 1.84-fold and 1.84-fold, respectively. The SNPs rs3021094 and rs3790622 decreased PTB risk by 0.33-fold and 0.38-fold, respectively. We also found two linkage disequilibrium blocks in the studied IL SNPs. The IL4 haplotype TCCCGGA (OR = 1.33, p = 0.014) increased PTB risk, the IL10 haplotypes ATGGATA (OR = 0.39, p = 4.84E-06) provided a protective effect and decreased PTB risk.

Materials and Methods: For this study, we recruited 467 subjects with PTB and 503 healthy subjects from a Tibetan population living in Lhasa and nearby, China. Association analyses of sixteen single-nucleotide polymorphisms (SNPs) in IL4, IL6, and IL10 were performed.

Conclusions: Our findings demonstrate an association between polymorphisms in IL6 and IL10 and risk of PTB.

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