The Contribution of Interleukin-8 Rs4073 Genotypes to Triple Negative Breast Cancer Risk in Taiwan

YUN-CHI WANG, ZHI-HONG WANG, Jung‐Hsing Yen, Yi‐Cheng Shen, Te‐Chun Shen, WEN-SHIN CHANG, Chen-Hsien Su, Kai‐Yuan Chen, Chun-Ming Yen, Hsu-Tung Lee,

Anticancer Research · 2022 · 12 citations · 49 references

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Abstract

BACKGROUND/AIM: Triple negative breast cancer (TNBC) is one of the most challenging breast cancer types. Interleukin-8 (IL-8) is a pro-tumorigenic cytokine, promoting tumor proliferation and migration. This study aimed to examine the contribution of IL-8 rs4073 genotypes to breast cancer risk and provide a summary of related literature. MATERIALS AND METHODS: IL-8 genotypic profiles were determined among 1,232 breast cancer cases and 1,232 controls via polymerase chain reaction-restriction fragment length polymorphism methodology. RESULTS: The IL-8 rs4073 AT and AA genotypes had significantly lower prevalence in the case group compared to control group. Allelic frequency analysis showed that individuals carrying the A allele have relatively decreased risk for breast cancer. The stratification analysis showed that IL-8 rs4073 genotypes were protective markers for those with younger (≤55) age. CONCLUSION: IL-8 rs4073 A allele is a novel predictor for breast cancer, especially TNBC.

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