Dataset Information

Association of IL-23R Polymorphisms (rs6682925, rs10889677, rs1884444) With Cancer Risk: A PRISMA-Compliant Meta-Analysis.

ABSTRACT: Although interleukin (IL)-23 receptor (IL-23R) plays an important role in the pathogenesis of multiple cancers, its association with cancer risk is inconsistent across different studies. We therefore conducted a meta-analysis with the aim of resolving the relationship among the 3 common polymorphisms of IL-23R (rs6682925, rs10889677, rs1884444) and cancer risk.Case-control studies evaluating the association between IL-23R polymorphisms (rs6682925, rs10889677, rs1884444) and cancer risk were searched in the PubMed, Web of Science, and CNKI databases.Data were included in the meta-analysis if they were from original studies adopting a case-control design investigating the association between IL-23R polymorphisms and risk of any cancer; all cancer cases must have been confirmed by histology or pathology, and controls selected from noncancer individuals. Case-only studies and review papers were excluded.Odds ratios (ORs) and 95% confidence intervals (CIs) were used to evaluate the relationship of IL-23R polymorphisms (rs6682925, rs10889677, rs1884444) with cancer risk. A random-effects model or fixed-effects model was used depending on the heterogeneity of the data.Ultimately, 15 studies, involving 8784 cancer patients and 10,321 cancer-free controls, were included in our meta-analysis. In the overall analysis, the rs10889677 polymorphism was associated with breast cancer (BC) under the allelic, homozygous, dominant, and heterozygous models. Rs1884444 polymorphism was relevant to hepatocellular carcinoma (HCC) under the homozygous, recessive, and allelic models. However, no evidence of a relationship between IL-23R polymorphisms (rs6682925, rs10889677, rs1884444) and cancer risk was found in the overall population.Our meta-analysis provides no evidence supporting a global association of IL-23R polymorphisms (rs6682925, rs10889677, rs1884444) with the risk of cancer. However, rs10889677 may be associated with BC susceptibility and rs1884444 had association with HCC risk. Further large and well-designed studies are warranted to confirm this finding.

SUBMITTER: Liu XH

PROVIDER: S-EPMC5291616 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Association of IL-23R Polymorphisms (rs6682925, rs10889677, rs1884444) With Cancer Risk: A PRISMA-Compliant Meta-Analysis.

Liu Xing-Han XH Dai Zhi-Ming ZM Kang Hua-Feng HF Lin Shuai S Ma Xiao-Bin XB Wang Meng M Liu Kang K Dai Cong C Wang Xi-Jing XJ Dai Zhi-Jun ZJ

Medicine 20151201 52

Although interleukin (IL)-23 receptor (IL-23R) plays an important role in the pathogenesis of multiple cancers, its association with cancer risk is inconsistent across different studies. We therefore conducted a meta-analysis with the aim of resolving the relationship among the 3 common polymorphisms of IL-23R (rs6682925, rs10889677, rs1884444) and cancer risk.Case-control studies evaluating the association between IL-23R polymorphisms (rs6682925, rs10889677, rs1884444) and cancer risk were sear ...[more]

PMID: 26717375

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Project description:BACKGROUND:Murine double minute 2 homolog (MDM2) plays an important role in the downregulation of P53 tumor suppressor gene. MDM2 inhibits P53 transcriptional activity and thereby results in accelerated tumor formation. Overexpression of MDM2 has been found in several cancer types including endometrial cancer. SNP309 is located in the promoter region of MDM2 and contributes to the overexpression of MDM2. The association between MDM2 SNP309 polymorphism and endometrial cancer risk has been investigated in several studies; however, the conclusion remains controversial. OBJECTIVES:We performed the present meta-analysis to give a comprehensive conclusion of the association between MDM2 SNP309 polymorphism and endometrial cancer susceptibility. METHODS:We conducted a literature research on PubMed, Embase, Cochrane Library, OVID, Web of Science, Wan Fang, CNKI, and CQVIP databases up to July 31, 2018. Newcastle-Ottawa scale was used to assess the quality of studies. We evaluated the strength of association by combining odds ratios (ORs) and 95% confidence intervals (CIs) in 5 different genetic models under a fixed-effect model or random-effect model. We further conducted subgroup analysis by ethnicity, source of control, histological type, clinical type, grade, and stage of tumor. Sensitivity analysis and publication bias were also performed. RESULTS:Nine eligible studies were finally included in our meta-analysis. We found MDM2 SNP309 polymorphism increased the risk of endometrial cancer under allele model (OR: 1.23, 95% CI: 1.06-1.41, P?=?.005), homozygote model (OR: 1.43, 95% CI: 1.13-1.81, P?=?.003) and recessive model (OR: 1.55, 95% CI: 1.17-2.04, P?=?.002). Subgroup analysis suggested a similar elevated risk in both Asians and Caucasians. We identified a strong association of enhanced susceptibility to endometrial cancer in endometrioid group (OR: 2.13, 95% CI: 1.28-3.54, P?=?.004) and Type I group (OR: 1.89, 95% CI: 1.25-2.86, P?=?.002) under dominant model. We identified no significant publication bias according to Egger's test. CONCLUSIONS:Our meta-analysis suggested that MDM2 SNP309 polymorphism increased the risk of endometrial cancer significantly, especially in endometrioid and Type I endometrial cancer, indicating MDM2 could serve as a potential diagnostic factor marker for endometrial cancer.

Project description:ObjectiveEndometriosis is a common chronic, gynecological disease. Despite many studies on the role of N-acetyltransferase 2 (NAT2) in endometriosis, its clinical significance is unclear. In this study, associations between NAT2 phenotypes as well as single nucleotide polymorphisms (SNPs) within NAT2 (i.e. rs1799929, rs1799930, rs1208, and rs1799931) and endometriosis risk were evaluated using a meta-analysis approach.MethodsEmbase, PubMed, ClinicalTrials.gov, CNKI (China National Knowledge Infrastructure), Wanfang databases, Cochrane Library for clinical trials, and Web of Science were searched to identify relevant articles. ORs (odds ratios) and 95% CIs (95% confidence intervals) were used to estimate the associations between NAT2 polymorphisms and endometriosis risk. Heterogeneity among included studies was also assessed. In addition, a subgroup analysis of NAT2 phenotypes and endometriosis risk based on ethnicity was performed.ResultsNine case-control studies met the inclusion criteria. The odds ratio was 2.30 (95% CI: 1.61-3.28) for the NAT2 slow acetylation phenotype versus the intermediate + fast acetylation phenotype in the Asian population. These results suggest that Asian individuals with the NAT2 slow acetylation phenotype have a 130% increased risk of endometriosis. A significant association was also found for rs1799930 (OR = 0.74; 95% CI, 0.59-0.92), suggesting that individuals with this mutant genotype have a 26% decreased risk of endometriosis.ConclusionsThe rs1799930 mutant genotypes are associated with a decreased risk of endometriosis. No statistically significant associations were found between rs1799931, rs1208, or rs1799929 and endometriosis. Based on a subgroup analysis based on ethnicity, the NAT2 slow acetylation phenotype was found to increase the risk of endometriosis in Asians. No statistically significant associations were found between the NAT2 slow acetylation phenotype and endometriosis risk in Caucasians. Accordingly, NAT2 phenotypes and SNPs are potential biomarkers for the diagnosis and treatment of endometriosis.

Dataset Information

Association of IL-23R Polymorphisms (rs6682925, rs10889677, rs1884444) With Cancer Risk: A PRISMA-Compliant Meta-Analysis.

Publications

Association of IL-23R Polymorphisms (rs6682925, rs10889677, rs1884444) With Cancer Risk: A PRISMA-Compliant Meta-Analysis.

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