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脑膜瘤细胞凋亡的意义及其检测方法的比较

Xu ZHAO,Liang-zhu TENG,Bing-jie ZHANG,Tao Xin,Chun-yan MA,Ying LIU

CHINESE JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY（2005）

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Abstract
目的探讨脑膜瘤细胞凋亡的意义,分析TdT介导的dUTP缺口末端标记技术(TUNEL)、流式细胞术(FCM)和透射电镜3种检测方法的优缺点.方法应用TUNEL、FCM检测47例脑膜瘤的凋亡指数(AI),同时用透射电镜观察其中15例凋亡细胞的超微结构改变.结果经TUNEL和FCM检测,不典型及恶性脑膜瘤的AI高于良性脑膜瘤,复发组AI高于非复发组.经FCM检测的凋亡指数高于TUNEL法检测结果,二者呈正相关.透射电镜也证实了凋亡细胞的超微结构改变.结论细胞凋亡是脑膜瘤的一种重要生物学特征,它与肿瘤的不典型或恶性改变以及预后有关,检测AI有助于判断脑膜瘤的复发倾向.TUNEL和FCM用于凋亡的定量检测,FCM的敏感性高于TUNEL,而透射电镜是凋亡定性的可靠方法.
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Key words
meningiomas,cell apoptosis
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