Association between TLR2, MTR, MTRR, XPC, TP73, TP53 genetic polymorphisms and gastric cancer: A meta-analysis - 17/06/14

Doi : 10.1016/j.clinre.2013.12.009

Chen Cheng ^a,^b,^{^{1
Chen Cheng and Wang Lingyan are co-first authors of this work.}}, Wang Lingyan ^c,^{^{1
Chen Cheng and Wang Lingyan are co-first authors of this work.}}, Huang Yi ^d, Zhang Cheng ^a, Ye Huadan ^a, Xu Xuting ^a, Xu Leiting ^a, Ye Meng ^b,^⁎ , Duan Shiwei ^a,^⁎
^a Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, China
^b The Affiliated Hospital, Ningbo University, Ningbo, Zhejiang 315000, China
^c Bank of Blood Products, Ningbo No.2 Hospital, Ningbo, Zhejiang 315010, China
^d Department of Neurosurgery, Ningbo First Hospital, Ningbo University, Ningbo, Zhejiang 315010, China

^⁎Corresponding authors. Dr. Shiwei Duan: Tel./fax: +86 574 87609950 and Dr Meng Ye: Tel./fax: +86 574 87035866.

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Summary

Objective

The aim of our meta-analyses is to test the association between six genetic polymorphisms and gastric cancer.

Methods

A systematic search was performed for all the available candidate genes and gastric cancer among several online databases including PubMed, Embase, Web of Science, the Cochrane Library, CNKI and Wanfang online libraries. After a comprehensive screening, a total of six genes were harvested for the current meta-analyses. These genes include TLR2 (-196 to -174 ins>del), MTR (rs1805087), MTRR (rs1801394), XPC (rs2228001), TP73 (G4C14-A4T14), and TP53 (rs1042522).

Results

Altogether 49 comparative studies among 11 776 cases and 18 633 controls were involved in our meta-analyses. TP53 rs1042522 polymorphism was shown to be associated with gastric cancer risk under the dominant model (P=0.02, OR=1.03, 95% CI=1.00–1.05). A subgroup meta-analysis indicated a significant association under dominant model between TP53 rs1042522 and gastric cancer in the Eastern Asians (P=0.03, OR=1.17, 95%=1.02–1.34).

Conclusions

These results suggest that TP53 rs1042522 polymorphism might contribute to the susceptibility of gastric cancer under the dominant model, especially in Eastern Asians.

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Abbreviations : OR, CI, SNP, GC

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Introduction

Materials and methods

Characteristics of published studies

Heterogeneity

Publication bias

Quantitative synthesis

Discussion

Disclosure of interest

Esportazione

Vol 38 - N° 3

P. 346-359 - Giugno 2014 Ritorno al numero

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Association between TLR2, MTR, MTRR, XPC, TP73, TP53 genetic polymorphisms and gastric cancer: A meta-analysis - 17/06/14

Summary

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Results

Conclusions

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