Dataset Information

Polymorphism rs6478109 in the TNFSF15 gene contributes to the susceptibility to Crohn's disease but not ulcerative colitis: a meta-analysis.

ABSTRACT: OBJECTIVE:Polymorphisms in the tumor necrosis factor superfamily 15 (TNFSF15) gene contribute to susceptibility to inflammatory bowel disease (IBD). However, associations between TNFSF15 rs6478109, rs7869487, and rs7865494 polymorphisms and IBD remain unclear. METHODS:Eligible articles were retrieved from the PubMed, EMBASE, Web of Science, and CNKI databases through 20 March 2020. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the relationships of TNFSF15 polymorphisms with IBD susceptibility. RESULTS:Under the recessive model, TNFSF15 rs6478109 was associated with IBD risk (OR?=?0.56; 95% CI: 0.35, 0.92). Stratification analyses based on the type of disease-Crohn's disease (CD) or ulcerative colitis (UC)-revealed a significant association under the allelic and recessive models between TNFSF15 rs6478109 and CD (allelic model: OR?=?0.84, 95% CI: 0.71, 0.99; recessive model: OR?=?0.44, 95% CI: 0.22, 0.87) but not UC. Stratification by ethnicity indicated a significantly decreased risk of IBD in Asian populations with TNFSF15 rs6478109 under the recessive model (OR?=?0.56, 95% CI: 0.35, 0.92). CONCLUSIONS:Our meta-analysis suggested that under the allelic and recessive models, the TNFSF15 rs6478109 polymorphism was likely protective for CD but not UC in the Asian population.

SUBMITTER: Zhou Y

PROVIDER: S-EPMC7545779 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Polymorphism rs6478109 in the <i>TNFSF15</i> gene contributes to the susceptibility to Crohn's disease but not ulcerative colitis: a meta-analysis.

Zhou Yuan Y Zhu Yi Y Jiang HongGang H Chen ZhiHeng Z Lu BoHao B Li Jin J Shen Xuning X

The Journal of international medical research 20201001 10

<h4>Objective</h4>Polymorphisms in the tumor necrosis factor superfamily 15 (<i>TNFSF15</i>) gene contribute to susceptibility to inflammatory bowel disease (IBD). However, associations between <i>TNFSF15</i> rs6478109, rs7869487, and rs7865494 polymorphisms and IBD remain unclear.<h4>Methods</h4>Eligible articles were retrieved from the PubMed, EMBASE, Web of Science, and CNKI databases through 20 March 2020. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evalua ...[more]

PMID: 33026276

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Project description:BackgroundMany studies have investigated the associations between the signal transducer and activator of transcription 3 (STAT3) in the susceptibility to ulcerative colitis (UC) and Crohn's disease (CD). However, the results remain inconsistent. This meta-analysis determined the risk of STAT3 rs744166 polymorphism-conferred UC and CD susceptibility.Materials and methodsElectronic databases, including PubMed, EMBASE and the Cochrane Library, were searched for all eligible studies that evaluated the association between STAT3 rs744166 polymorphisms with UC and CD risk up to August 21, 2014. The pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) were calculated using fixed- or random-effects models.ResultsTwelve studies containing 10298 patients with CD, 4244 patients with UC and 11191 controls were included in this meta-analysis. The results indicated that the STAT3 rs744166 polymorphism was associated with CD and UC susceptibility (CD: GA+AA vs. GG, OR = 1.20, 95%CI, 1.11-1.30, I2 = 0%, Punadjusted<0.00001, PBonferroni<0.00005, PFDR<0.00001; UC: GA+AA vs. GG, OR = 1.21, 95%CI, 1.08-1.36, I2 = 1%, Punadjusted = 0.001, PBonferroni = 0.005, PFDR = 0.00125). In subgroup analyses by ethnicity, the significant association was found only among Caucasians. However, when grouped by age of onset, positive associations were found both among adults and children. In addition, when stratified by study design and genotyping methods, the risk of CD was significantly associated with the STAT3 rs744166 polymorphism in hospital-based and population-based groups and in SNP Array and SNPlex groups. For UC, significant associations were also found in population-based, PCR-RFLP and SNPlex groups. Moreover, these findings were sufficiently robust to withstand the Bonferroni correction and false discovery rate (FDR).ConclusionThis meta-analysis indicates that carriers of the STAT3 rs744166 'A' allele have a significantly greater risk of CD and UC, especially among Caucasians.

Project description:BACKGROUND: Genome-wide association studies identified PTPN2 (protein tyrosine phosphatase, non-receptor type 2) as susceptibility gene for inflammatory bowel diseases (IBD). However, the exact role of PTPN2 in Crohn's disease (CD) and ulcerative colitis (UC) and its phenotypic effect are unclear. We therefore performed a detailed genotype-phenotype and epistasis analysis of PTPN2 gene variants. METHODOLOGY/PRINCIPAL FINDINGS: Genomic DNA from 2131 individuals of Caucasian origin (905 patients with CD, 318 patients with UC, and 908 healthy, unrelated controls) was analyzed for two SNPs in the PTPN2 region (rs2542151, rs7234029) for which associations with IBD were found in previous studies in other cohorts. Our analysis revealed a significant association of PTPN2 SNP rs2542151 with both susceptibility to CD (p?=?1.95×10??; OR 1.49 [1.34-1.79]) and UC (p?=?3.87×10?², OR 1.31 [1.02-1.68]). Moreover, PTPN2 SNP rs7234029 demonstrated a significant association with susceptibility to CD (p?=?1.30×10?³; OR 1.35 [1.13-1.62]) and a trend towards association with UC (p?=?7.53×10?²; OR 1.26 [0.98-1.62]). Genotype-phenotype analysis revealed an association of PTPN2 SNP rs7234029 with a stricturing disease phenotype (B2) in CD patients (p?=?6.62×10?³). Epistasis analysis showed weak epistasis between the ATG16L1 SNP rs2241879 and PTPN2 SNP rs2542151 (p?=?0.024) in CD and between ATG16L1 SNP rs4663396 and PTPN2 SNP rs7234029 (p?=?4.68×10?³) in UC. There was no evidence of epistasis between PTPN2 and NOD2 and PTPN2 and IL23R. In silico analysis revealed that the SNP rs7234029 modulates potentially the binding sites of several transcription factors involved in inflammation including GATA-3, NF-?B, C/EBP, and E4BP4. CONCLUSIONS/SIGNIFICANCE: Our data confirm the association of PTPN2 variants with susceptibility to both CD and UC, suggesting a common disease pathomechanism for these diseases. Given recent evidence that PTPN2 regulates autophagosome formation in intestinal epithelial cells, the potential link between PTPN2 and ATG16L1 should be further investigated.

Dataset Information

Polymorphism rs6478109 in the TNFSF15 gene contributes to the susceptibility to Crohn's disease but not ulcerative colitis: a meta-analysis.

Publications

Polymorphism rs6478109 in the <i>TNFSF15</i> gene contributes to the susceptibility to Crohn's disease but not ulcerative colitis: a meta-analysis.

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