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    Clin Cancer Res. 2009 Jul 15;15(14):4680-5. doi: 10.1158/1078-0432.CCR-09-0192. Epub 2009 Jul 7.

    Vascular endothelial growth factor polymorphisms and esophageal cancer prognosis.

    Bradbury PA, Zhai R, Ma C, Xu W, Hopkins J, Kulke MJ, Asomaning K, Wang Z, Su L, Heist RS, Lynch TJ, Wain JC, Christiani D, Liu G.

    Source

    Medical Oncology and Haematology, Department of Medicine, Princess Margaret Hospital, Ontario Cancer Institute, University of Toronto,Toronto, Ontario M5G 2M9, Canada.

    Abstract

    PURPOSE:

    Vascular endothelial growth factor (VEGF) promotes angiogenesis and vascular permeability. The VEGF gene is polymorphic. We investigated the prognostic significance of three VEGF single nucleotide polymorphisms (SNP) in esophageal cancer.

    EXPERIMENTAL DESIGN:

    Three hundred sixty-one patients were genotyped for three VEGF SNPs (-460T/C, 405G/C, and 936C/T) using DNA extracted from prospectively collected blood samples. The association of each individual SNP, and haplotypes of the three SNPs, on overall survival (OS) was investigated.

    RESULTS:

    The variant allele of 936C/T was associated with improved OS compared with the wild-type genotype (log-rank P < 0.001). This association remained significant for OS after adjustments for age, gender, performance status, and disease stage [VEGF 936C/T: adjusted hazard ratio (AHR), 0.70; 95% confidence interval (95% CI), 0.49-0.99; P = 0.04; VEGF 936T/T: AHR, 0.11; 95% CI, 0.02-0.82; P = 0.03]. No independent associations were found for VEGF -460T/C and VEGF 405G/C. The CGC haplotype of the three VEGF SNPs (-460T/C, 405G/C, and 936C/T) combined was associated with reduced OS compared with all other patients (CGC/CGC: AHR, 1.51; 95% CI, 1.00-2.30; P = 0.05).

    CONCLUSIONS:

    VEGF 936C/T, and a haplotype of 460T/C, 405G/C, and 936C/T combined, has potential prognostic significance in esophageal cancer.

    PMID:
    19584152
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC2742698
    Free PMC Article

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