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外阴鳞状细胞癌患者癌组织VEGF、Bcl-2基因启动子的DNA甲基化及其表达

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摘要 目的通过检测外阴鳞状细胞癌(VSCC)患者癌组织血管内皮细胞生长因子(VEGF)、Bcl-2基因启动子的DNA甲基化及其表达,探讨VSCC的发病机制。方法采用DNA甲基化免疫沉淀—实时定量聚合酶链反应技术,对8例VSCC患者癌组织和毗邻正常组织的VEGF、Bcl-2基因启动子DNA甲基化进行定量分析;用定量反转录聚合酶链反应检测其基因表达。结果 VSCC患者的癌组织VEGF、Bcl-2基因启动子呈低甲基化,其甲基化与正常组织比较有统计学差异(P<0.05);低甲基化VEGF、Bcl-2 mRNA表达增加。结论 VSCC患者的癌组织VEGF、Bcl-2基因启动子存在低甲基化,低甲基化可促其mRNA表达。表明VEGF、Bcl-2基因低甲基化可能参与VSCC发生,成为其新的表观治疗靶点。
出处 《山东医药》 CAS 北大核心 2011年第49期62-63,共2页 Shandong Medical Journal
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