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首页> 外文期刊>Anticancer Research: International Journal of Cancer Research and Treatment >Clinicopathological significance of p53, hypoxia-inducible factor 1alpha, and vascular endothelial growth factor expression in colorectal cancer.
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Clinicopathological significance of p53, hypoxia-inducible factor 1alpha, and vascular endothelial growth factor expression in colorectal cancer.

机译:大肠癌中p53,缺氧诱导因子1α和血管内皮生长因子表达的临床病理学意义。

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BACKGROUND: The principal objective of this study was to evaluate the prognostic significances of p53, hypoxia inducible factor-1 alpha (HIF-1alpha), and vascular endothelial growth factor (VEGF) expression in colorectal cancer. MATERIALS AND METHODS: The tumor tissues of 311 patients with colorectal carcinoma that had undergone potentially curative resections were immunohistochemically assessed using monoclonal antibodies against p53, HIF-1alpha, and VEGF. RESULTS: Positivity rates of p53, HIF-1alpha, and VEGF were 42.4%, 63.0%, and 56.6%, respectively. HIF-1alpha expression in tumor tissues was determined to be correlated significantly with the expression of VEGF (p=0.040), and depth of invasion (p=0.019). Multivariate analysis demonstrated that HIF-1alpha was independently associated with poor overall survival (p=0.002). CONCLUSION: HIF-1alpha expression is associated with VEGF expression and angiogenesis in colorectal carcinoma. Additionally, the expression of HIF-1alpha in tumor tissue is associated with angiogenesis and poor overall survival in patients with colorectal cancer.
机译:背景:本研究的主要目的是评估大肠癌中p53,缺氧诱导因子1α(HIF-1alpha)和血管内皮生长因子(VEGF)表达的预后意义。材料与方法:采用抗p53,HIF-1α和VEGF的单克隆抗体,对311例可能进行根治性切除术的大肠癌患者的肿瘤组织进行了免疫组织化学评估。结果:p53,HIF-1alpha和VEGF的阳性率分别为42.4%,63.0%和56.6%。肿瘤组织中的HIF-1α表达被确定与VEGF表达(p = 0.040)和浸润深度(p = 0.019)显着相关。多变量分析表明,HIF-1alpha与较差的总体生存率独立相关(p = 0.002)。结论:HIF-1α的表达与大肠癌的VEGF表达和血管生成有关。此外,HIF-1alpha在肿瘤组织中的表达与大肠癌患者的血管生成和较差的总体生存率有关。

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