Oncotarget

Meta-Analysis:

Association between 8q24 rs6983267 polymorphism and cancer susceptibility: a meta-analysis involving 170,737 subjects

Man Zhu, Xue Wen, Xuefang Liu, Yingchao Wang, Chunzi Liang and Jiancheng Tu _

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Oncotarget. 2017; 8:57421-57439. https://doi.org/10.18632/oncotarget.18960

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Abstract

Man Zhu1,*, Xue Wen1,*, Xuefang Liu1, Yingchao Wang1, Chunzi Liang1 and Jiancheng Tu1

1Department of Clinical Laboratory Medicine and Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China

*These authors contributed equally to this work

Correspondence to:

Jiancheng Tu, email: [email protected]

Chunzi Liang, email: [email protected]

Keywords: cancer, 8q24, rs6983267, polymorphism, meta-analysis

Received: December 20, 2016     Accepted: June 17, 2017     Published: July 04, 2017

ABSTRACT

Published data on the association between 8q24 rs6983267 polymorphism and cancer risk are inconsistent. Thus, we conducted a meta-analysis to evaluate the relationship between rs6983267 polymorphism and cancer risk. We searched on PubMed, EMBASE, Web of Science and China National Knowledge Infrastructure (CNKI) up to November 1, 2016 for relevant studies. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to estimate the strength of this association. We included 78 case-control studies with a total of 73,996 cases and 96,741 controls in this meta-analysis. The pooled results showed that rs6983267 polymorphism was significantly associated with increased risk of overall cancer in all genetic models (dominant model: OR = 1.19, 95% CI = 1.13–1.26; recessive model: OR = 1.19, 95% CI = 1.14–1.25; homozygous model: OR= 1.31, 95% CI = 1.23–1.40; heterozygous model: OR = 1.14, 95% CI = 1.10–1.19; allelic model: OR = 1.14, 95% CI = 1.11–1.18). Stratified analyses indicated that rs6983267 significantly increased the risk of colorectal cancer in Caucasians, prostate cancer in Caucasians and Asians, thyroid cancer in Caucasians and lung cancer in Asians. When studies were stratified by study quality, source of controls and genotyping method, significant associations were especially found in the high quality studies, the publication-based studies, the hospital-based studies, and the PCR-RFLP studies. Additional well-designed studies with large samples should be performed to validate our results.


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