Abstract
As a member of apoptosis inhibition gene family, baculoviral IAP repeat containing 5 (BIRC5) protein acts as a survival factor in oncology through multiple ways. There are huge inconsistent results between urinary cancer risk and BIRC5 polymorphisms, so we searched and documented all eligible articles to clear up the mystery with the help of meta-analysis. According to the inclusion and exclusion criteria, we performed an overall search in Web of Science, PubMed, Google Scholar, Medline, CNKI and Wanfang database with pre-set search strategy up to November 2019. Z-test was performed to determine the statistical difference by Odds ratios (ORs) and 95% confidence intervals (CIs). The stability of the pooled ORs was conducted by one-way sensitivity analyses, Begg’s funnel plots and Egger’s test were employed to access the potential publication bias. The relationship of polymorphisms and BIRC5 expression was exposed by in-silico analysis, as well as the effects to tumorigenesis and prognosis. Finally, we enrolled 19 case-control studies to conducted this meta-analysis. An upgrade risk in rs9904341 of BIRC5 were revealed to be associated with urinary cancer in allele contrast model (OR = 1.222, P = 0.012), homozygote contrast model (OR = 1.579, P = 0.0001) and recessive contrast model (OR = 1.433, P < 0.001), as well as rs2071214 polymorphism in the subgroup analysis of BCa in allele contrast model (OR = 1.362, P = 0.011) and recessive contrast model (OR = 1.417, P = 0.015). On the other hand, rs17878467 variant plays an important role in prevent the tumorigenicity of urinary cancer in allele contrast model (OR = 0.672, P = 0.009), heterozygote contrast model (OR = 0.585, P = 0.006) and dominant contrast model (OR = 0.595, P = 0.004). In conclusion, we found that BIRC5 rs9904341, rs2071214 polymorphisms might cause the increased risk of urinary cancer, while rs17878467 reduces risk.
Published Version
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