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- W61963437 abstract "目的观察膀胱癌组织中Bcl-2、PCNA、p53的表达变化,并探讨其临床意义。方法用流式细胞术检测3l例膀胱癌组织中的Bcl-2、PCNA、p53,并与18例正常膀胱黏膜组织作对照。PI染色法和TUNEL法分别检测上述标本的细胞周期及凋亡细胞。结果31例膀胱癌组织中,Bcl-2阳性表达率为58.1%,p53为67.7%,PCNA中强度阳性。正常膀胱黏膜组织Bcl-2阳性表达率为16.7%、p53不表达、PCNA弱阳性,两者相比,P均〈0.01。Bcl-2、PCNA、p53的表达与膀胱癌的临床分级或分期相关。膀胱癌细胞周期分布异常,19例出现DNA异倍体,s期细胞增加,但未发现明显的周期阻滞现象。膀胱癌细胞凋亡增加。结论膀胱癌组织中Bcl-2、PCNA、p53过度表达,可出现DNA异倍体,均提示预后不良。" @default.
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- W61963437 date "2009-01-01" @default.
- W61963437 modified "2023-09-23" @default.
- W61963437 title "膀胱癌组织中Bcl-2、PCNA、p53的表达变化及意义" @default.
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