Oncotarget

Research Papers:

Interleukin gene polymorphisms in Chinese Han population with breast cancer, a case-control study

Xiaoxiao Zuo, Miao Li, Ya Yang, Tiansong Liang, Hongyao Yang, Xinhan Zhao and Daoke Yang _

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Oncotarget. 2018; 9:17994-18001. https://doi.org/10.18632/oncotarget.23157

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Abstract

Xiaoxiao Zuo1,*, Miao Li2,*, Ya Yang1, Tiansong Liang1, Hongyao Yang1, Xinhan Zhao2 and Daoke Yang1

1Department of Radiation Oncology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, People's Republic of China

2Department of Internal Medicine Oncology, The Fifth People’s Hospital of Qinghai Province, Xining, Qinghai 810007, China

*These authors contribute equally to this work

Correspondence to:

Daoke Yang, email: [email protected]

Xinhan Zhao, email: [email protected]

Keywords: cytokines; IL1; breast cancer; case-control; polymorphisms

Received: September 06, 2017     Accepted: November 15, 2017     Epub: December 11, 2017     Published: April 06, 2018

ABSTRACT

Cytokines are known as important regulators of the cancer involved in inflammatory and immunological responses. This fact and plethora of gene polymorphism data prompted us to investigate IL1 gene polymorphisms in breast cancer (BC) patients. Totally, 530 patients with BC and 628 healthy control women were studied. The genetic polymorphisms for IL1 were analyzed by Massarray Sequencing method. Three single nucleotide polymorphisms (SNPs) identified in IL1B, IL1R1 gene are thought to influence breast cancer risk. The results of the association between IL-1B, IL1R1 polymorphisms and breast cancer risk have significant. We found that the variant TT genotype of rs10490571 was associated with a significantly increased breast cancer risk (TT vs. CC: OR = 2.82, 95% CI = 1.12–7.08, P = 0.047 for the codominant model). For rs16944 (AG vs. GG: OR = 0.60, 95% CI = 0.41–0.90, P = 0.034 for the codominant model) and rs1143623 (CG vs. CC: OR = 0.65, 95% CI = 0.45–0.94, P = 0.023 for the codominant model) have significant associations were found in genetic models. In conclusion, the present analysis suggests a correlation of polymorphic markers within the IL-1 gene locus with the risk in developing breast cancer. Taken together with our finding that IL1B, IL1R1 gene three SNP are also associated with the risk for the disease, we suggest that inflammation via innate and adaptive immunity contributes to multifactorial hereditary predisposition to pathogenesis of the breast cancer.


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