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  • Title: The correlation between IL-4 polymorphisms and colorectal cancer risk in a population in Northwest China.
    Author: Wen X, Xin X, Li J, Qiao L, Liu F, Guo Y, Qu Z, Wang R, Li X.
    Journal: Eur J Cancer Prev; 2020 Mar; 29(2):95-99. PubMed ID: 31876620.
    Abstract:
    Our aim was to investigate whether polymorphisms in the interleukin-4 (IL-4) gene are associated with the risk of colorectal cancer (CRC) in a Chinese Han population. Six single-nucleotide polymorphisms (SNPs) in the IL-4 were genotyped by Agena MassARRAY in 248 CRC patients and 463 healthy controls. The association of IL-4 polymorphisms with CRC risk was assessed by genetic models, linkage disequilibrium, and haplotype analyses. The results suggested that the CC genotype of rs2243250 confers a lower risk of CRC in the recessive model [odds ratio (OR) =  0.42, 95% confidence interval (CI): 0.19-0.92, P = 0.020]. Similarly, rs2227284 GG was associated with a reduced risk of CRC in the codominant (OR = 0.18, 95% CI: 0.04-0.82, P = 0.027) and recessive (OR = 0.19, 95% CI: 0.04-0.83, P = 0.008) models adjusted for age. Our findings suggested that rs2243250 and rs2227284 in IL-4 are associated significantly with reduced CRC risk, which may facilitate the identification of CRC patients in Chinese populations.
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