Dataset Information

The IL-17A rs2275913 polymorphism is associated with colorectal cancer risk.

ABSTRACT:

Objective

The association of the IL-17A rs2275913 polymorphism with the risk of colorectal cancer (CRC) has been previously reported. However, the results are inconsistent. In this study, we comprehensively assessed the effect of the rs2275913 polymorphism on CRC risk.

Methods

The rs2275913 polymorphism of 208 CRC patients and 312 age- and gender-matched healthy controls was genotyped by the polymerase chain reaction-restriction fragment length polymorphism method, and then analyzed by logistic regression. In addition, a pooled analysis based on five single-center studies was performed using Stata 12.0 software.

Results

Logistic regression analysis indicated that the IL-17A rs2275913 polymorphism was associated with CRC risk (GA vs. GG: OR?=?1.53, 95% CI?=?1.02-2.28; AA vs. GG: OR?=?1.89, 95% CI?=?1.11-3.20; GA+AA vs. GG: OR?=?1.62, 95% CI?=?1.11-2.37; A vs. G: OR?=?1.38, 95% CI?=?1.07-1.77). Further pooled analysis also indicated a statistically significant association between the rs2275913 polymorphism and CRC risk in Asians and Northern Africans.

Conclusion

This study suggested that the IL-17A rs2275913 polymorphism may act as a biomarker for predicting CRC risk. However, further functional research should be performed to clarify the role of the rs2275913 polymorphism in the etiology of CRC.

SUBMITTER: Zhang S

PROVIDER: S-EPMC7745596 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Publications

The <i>IL-17A</i> rs2275913 polymorphism is associated with colorectal cancer risk.

Zhang Shulong S Wang Xiaoting X

The Journal of international medical research 20201201 12

<h4>Objective</h4>The association of the <i>IL-17A</i> rs2275913 polymorphism with the risk of colorectal cancer (CRC) has been previously reported. However, the results are inconsistent. In this study, we comprehensively assessed the effect of the rs2275913 polymorphism on CRC risk.<h4>Methods</h4>The rs2275913 polymorphism of 208 CRC patients and 312 age- and gender-matched healthy controls was genotyped by the polymerase chain reaction-restriction fragment length polymorphism method, and then ...[more]

PMID: 33323002

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Project description:ObjectivesRheumatoid arthritis is a chronic inflammatory autoimmune disease. This study aimed to determine the association of interleukin-17A-197G/A polymorphism with rheumatoid arthritis in Sudanese patients.MethodsA case-control study was conducted between March and December 2018. Clinical and demographic data of the study participants were collected and analyzed. Polymerase chain reaction restriction fragment length polymorphism molecular technique was done to investigate interleukin-17A-197G/A polymorphisms. All statistical tests were considered statistically significant when p < 0.05.ResultsThe study population included 266 participants aged between 1 and 85 years, with an average of 40 years, classified into 85 (31.2%) cases (mean age 48.5 ± 11.3 years), and 181 (68.8%) controls (mean age 35.3 ± 15.9 years). The interleukin-17A homozygote AA genotype was more frequent among the control group compared to the case group; 95 (52.5%) and 7 (8.2%), respectively. The homozygote GG and the heterozygote AG genotypes were proportionally not different among the cases and control groups; 13 (54.2%) and 11 (45.8%), and 65 (46.4%) and 75 (53.6%), respectively. According to the distribution of interleukin-17A genotypes, a statistically significant difference was observed among cases with the interleukin-17A AA and AG genotypes, p values 0.001 and 0.004, respectively. For the association interleukin-17A genotypes and family history a negatively significant association was reported (95% confidence interval, -0.219, p value = 0.001). There was also a negatively significant association of interleukin-17A genotypes and anti-cyclic citrullinated peptide (95% confidence interval, -0.141, p value = 0.002).ConclusionThis study is the first study in Sudan established the association between interleukin-17A-197G/A (rs2275913) polymorphisms and susceptibly to rheumatoid arthritis. These findings appeal for further research in Sudan to investigate the exact role of IL-17A in immunopathology and disease severity among Sudanese rheumatoid arthritis.