Abstract
Vascular endothelial growth factor (VEGF) is a major regulator of angiogenesis in the process of tumor growth and metastasis. In present study, we conducted a case–control study and meta-analysis to evaluate the genetic effects of VEGF -634G/C and VEGF -2578C/A polymorphisms and risk of lung cancer. A total of 175 subjects were recruited for case–control study and seven studies were included in the meta-analysis. Our case–control study showed that VEGF -634G/C polymorphism had no association with lung cancer risk (CC vs. GG: OR = 0.88, 95 % CI = 0.37–2.11), whereas there was an association between VEGF -2578CC genotype and decrease in lung cancer risk (CC vs. CA/AA: OR = 0.52, 95 % CI = 0.28–0.96). A meta-analysis was further performed and statistically similar results were obtained (CC vs. GG: OR = 0.91, 95 % CI = 0.60–1.39 for VEGF −634; CC vs. AA: OR = 0.53, 95 % CI = 0.32–0.89 for VEGF −2578). Our study showed that the variant genotypes of the VEGF -2578C/A polymorphism, but not the VEGF -634G/C polymorphism, was associated with lung cancer risk. More studies are needed to detect VEGF -634G/C and VEGF −2578 polymorphisms and their association with lung cancer in different ethnic populations incorporated with environmental exposures.
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This work was supported by the grant of Natural Science Foundation of Ningbo (no. 2012A610257, for ZC Deng) and grant of Social Development of Science and Technology Project of Ningbo (no. 2011C50025, for C Cao)
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Deng, ZC., Cao, C., Yu, YM. et al. Vascular endothelial growth factor -634G/C and vascular endothelial growth factor -2578C/A polymorphisms and lung cancer risk: a case–control study and meta-analysis. Tumor Biol. 35, 1805–1811 (2014). https://doi.org/10.1007/s13277-013-1241-x
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DOI: https://doi.org/10.1007/s13277-013-1241-x