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雌激素受体亚型在子宫内膜癌发生中的作用 被引量:4

Effects of Estrogen Receptors α and β in Endometrial Carcinogenesis
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摘要 [目的]比较雌激素受体两种亚型α和β及Ki67在子宫内膜癌患者中的表达,探讨雌激素受体亚型在子宫内膜癌发生和发展中的作用。[方法]应用免疫组化技术及医学图像分析仪检测子宫内膜单纯性增生(56例)、复杂性增生(37例)、不典型增生(86例)及子宫内膜癌(68例)组织中ERα、ERβ及Ki67的阳性细胞百分率及灰度值,分析相应抗体的表达量。[结果]①与子宫内膜单纯性增生患者比较,复杂性增生、不典型增生及子宫内膜癌患者ERα阳性率及灰度值无明显性改变(P>0.05);②子宫内膜复杂性增生患者的ERβ的阳性率(62.16%)高于轻、中度不典型增生患者(54.9%)(P=0.031),而后者又高于早期内膜癌患者(32.0%)(P=0.049),ERβ的灰度值在复杂性增生患者中(69.49±112.52)也高于轻、中度不典型增生(67.23±124.07)及早期内膜癌患者(33.26±96.56)(P=0.025,P=0.001);③重度不典型增生周围组织(62.86%)及Ⅰ~Ⅱ期和Ⅲ~Ⅳ期内膜癌癌旁组织(48.0%,50.0%)中ERβ的阳性率表达水平高于相应病变组织(48.57%,32.0%,38.89%)(P=0.023,P=0.001,P=0.001);④Ki67的表达水平与ERβ的表达呈负相关(rs=-0.458,P=0.001),与ERα表达无关(rs=-0.043,P=0.506)。[结论]提示在子宫内膜癌发生的不同病理阶段ERβ表达量的是逐渐降低的,推测ERβ的表达降低与子宫内膜癌的发生有关。
出处 《肿瘤学杂志》 CAS 2007年第3期217-219,共3页 Journal of Chinese Oncology
基金 湖北省科技攻关项目(2003AA301C39)
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参考文献12

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二级参考文献8

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