癌基因 C-erb B2抑癌基因nm23在鼻咽癌中的表达及其意义

Tumori(2002)

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Abstract
目的为探求原癌基因C-erb B2和抗癌基因nm23蛋白产物与鼻咽癌的关系.方法采用免疫组织化学方法,对51例鼻咽癌组织中原癌基因C-erb B2和抗癌基因nm23蛋白产物进行了检测,随访4年,收集复发(死亡)组与未复发(存活)组,进行回顾性研究,对两组间蛋白阳性率的差别进行统计比较.结果鼻咽癌组c-erb B2蛋白的阳性率为68.63%(35/51),nm23蛋白的阳性率为39.22%(20/51);未分化癌组c-erb B2蛋白的阳性率81.81%(9/11),显著高于高分化癌组58.33%(7/12)(P<0.05);高分化癌组的nm23蛋白的阳性率50%(6以2),显著高于未分化癌组27.27%(3/11)(P<0.05);复发及死亡组c-erb B2蛋白的阳性率(77.78%,21/27;79.17%,19/24),明显高于未复发及存活组(58.33%,14/24;59.26%,16/27)(P<0.05);复发及死亡组nm23蛋白的阳性率(33.33%,9/27;25%,6/24),显著低于未复发及存活组(54.17%,13/24;51.85%,14/27)(P<0.05);c-erb B2蛋白阳性组、nm23蛋白阴性组,复发或死亡的发生概率分别显著高于c-erb B2蛋白阴性组、nm23蛋白阳性组.结论原癌基因c-erb B2和抗癌基因nm23蛋白的表达、评估预后及复发的分子指标.
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Key words
nasopharyngeal cancer,tumor suppressor oncogene nm23,c-erb
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