單核細胞趨化蛋白-1基因多態(tài)性與癌易感性的Meta分析
[Abstract]:To investigate the association between 2518 A / G polymorphism of monocyte chemoattractant protein-1 (MCP-1) and cancer susceptibility. The related databases were searched by computer, and the published studies on the association of MCP-1-2518 A / R G gene polymorphism with tumor susceptibility were collected from the self-built database up to December 2016 at home and abroad. A total of 30 case-control studies were conducted (including 5 602 cancer patients and 6 500 healthy controls). Stata 12.0 software was used for statistical analysis,. Cochran Q test and I2 test were used to test the heterogeneity of each study. The combined ratio (OR) and its 95% confidence interval (95%CI) were calculated to evaluate the correlation. Begg's test and Egger's test were used to evaluate publication bias, Meta regression and sensitivity analysis. The results of Meta analysis showed that there was no significant correlation between MCP-1-2518 A / G polymorphism and cancer risk. However, according to the subgroup analysis of tumor types, MCP-1 gene polymorphism was significantly associated with the risk of liver cancer, breast cancer, ovarian cancer and non-small cell lung cancer (p0.05). Subgroup analysis based on race found that white people with GG genotype had an increased risk of cancer (GG vs.AG/AA:OR=1.81,95%CI=1.10~2.96). There was no correlation between the MCP-1-2518 A / G polymorphism and the risk of cancer in Asian population (p0.05). The association between polymorphism and susceptibility to cancer was significant in subgroup analysis based on control group origin, sample size and low quality studies, and subgroup analysis based on HWE genetic balance and gene detection methods in the control group. The Meta regression analysis showed that racial differences and the quality of the included studies may be the main sources of heterogeneity among the studies. In conclusion, MCP-1-2518 A / G polymorphism may be associated with cancer susceptibility, and GG genotype may increase the risk of cancer in white race population. The A2518G locus of MCP-1 gene may be an important molecular marker for early diagnosis and prognosis of cancer.
【作者單位】: 重慶醫(yī)科大學附屬第一醫(yī)院
【基金】:重慶市衛(wèi)生計生委醫(yī)學科研重點項目(20141001)資助
【分類號】:R730.2
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