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首页> 外文期刊>Histopathology: Official Journal of the British Division of the International Academy of Pathology >Abnormalities of the Wnt/beta-catenin signalling pathway induce tumour progression in sporadic desmoid tumours: correlation between beta-catenin widespread nuclear expression and VEGF overexpression.
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Abnormalities of the Wnt/beta-catenin signalling pathway induce tumour progression in sporadic desmoid tumours: correlation between beta-catenin widespread nuclear expression and VEGF overexpression.

机译:Wnt /β-catenin信号传导途径的异常会导致散发性胶质瘤中的肿瘤进展:β-catenin广泛的核表达与VEGF过表达之间的相关性。

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摘要

AIMS: To analyse the correlation between beta-catenin and vascular endothelial growth factor (VEGF) in sporadic desmoid tumours. METHODS AND RESULTS: The correlation between beta-catenin aberrant expression and VEGF overexpression was examined and microvessel density (MVD) assessed by immunohistochemical expression of CD31 in 74 samples (63 primary and 11 recurrent samples, 63 patients) of sporadic desmoid tumours without familial adenomatous polyposis (FAP). beta-catenin gene mutation and mRNA expression of VEGF was then examined by quantitative reverse transcriptase-polymerase chain reaction (RT-PCR). There was a statistically significant correlation between widespread nuclear expression of beta-catenin and overexpression of VEGF in all desmoid tumours (P = 0.04, Fisher's exact test). MVD in recurrent tumours was significantly higher than that in primary tumours. CONCLUSIONS: Abnormalities of beta-catenin and VEGF overexpression play an important role in the neoplastic progression of sporadic desmoid tumours.
机译:目的:分析散发性胶质瘤中β-catenin与血管内皮生长因子(VEGF)的相关性。方法和结果:研究了74例无家族性腺瘤的散发性类胶质瘤样本(63例原发性和11例复发性病例,共63例)中β-catenin异常表达与VEGF过度表达的相关性,并通过CD31的免疫组织化学表达评估了微血管密度(MVD)。息肉病(FAP)。然后通过定量逆转录酶-聚合酶链反应(RT-PCR)检测β-catenin基因突变和VEGF mRNA的表达。在所有类胶质瘤中,β-catenin的广泛核表达与VEGF的过度表达之间存在统计学上的显着相关性(P = 0.04,Fisher精确检验)。复发性肿瘤中的MVD明显高于原发性肿瘤。结论:β-catenin和VEGF的过度表达在散发性胶质瘤的肿瘤进展中起重要作用。

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