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Diagn Pathol. 2013 Jul 2;8:112. doi: 10.1186/1746-1596-8-112.

The association between XPC Lys939Gln gene polymorphism and urinary bladder cancer susceptibility: a systematic review and meta-analysis.

Author information

1
Department of Urology, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China. kundou_km@163.com

Abstract

BACKGROUND:

Numerous epidemiological studies have been conducted to explore the association between the Lys939Gln polymorphism of Xeroderma pigmentosum group C (XPC) gene and urinary bladder cancer susceptibility. However, the results remain inconclusive. In order to derive a more precise estimation of this relationship, a large and update meta-analysis was performed in this study.

METHODS:

A comprehensive search was conducted through researching MEDLINE, EMBASE, PubMed, Web of Science, China Biomedical Literature database (CBM) and China National Knowledge Infrastructure (CNKI) databases before June 2013. Crude odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to estimate the strength of the association.

RESULTS:

A total of 12 studies with 4828 cases and 4890 controls for evaluating the XPC Lys939Gln polymorphism and urinary bladder cancer were included. Overall, there was significant associations between the XPC Lys939Gln polymorphism and urinary bladder cancer risk were found for homozygous model (OR = 1.352, 95% CL = 1.088-1.681), heterozygous model (OR = 1.354, 95% CL = 1.085-1.688), and allele comparison (OR = 1.109, 95% CL = 1.013-1.214). In subgroup analysis by ethnicity and source of controls, there were still significant associations detected in some genetic models.

CONCLUSION:

Our meta-analysis suggested that the XPC Lys939Gln polymorphism contributed to the risk of urinary bladder cancer.

VIRTUAL SLIDES:

The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1001118393101798.

PMID:
23819639
PMCID:
PMC3744163
DOI:
10.1186/1746-1596-8-112
[Indexed for MEDLINE]
Free PMC Article
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