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口腔鳞癌中DPC4、转化生长因子-β1表达及其与增殖的关系 被引量:3

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摘要 目的应用免疫组化法检测口腔鳞癌中胰腺癌第4座位缺失(DPC4)基因和转化生长因子(TGF)-β1的表达,分析其与KI67增殖指数的关系。方法 46例口腔鳞癌术后蜡块组织及临床资料为观察组,肿瘤周围非肿瘤性牙龈鳞状上皮组织18例为对照组。应用免疫组化SP法检测两组中DPC4、TGF-β1和KI67的表达。结果两组中DPC4、TGF-β1和KI67表达的阳性率差异有统计学意义。观察组中DPC4、TGF-β1和KI67的表达均与肿瘤的最大径、有无坏死和分化程度密切相关。相关分析显示观察组中DPC4与TGF-β1、DPC4与KI67呈负相关,TGF-β1与KI67呈正相关。结论口腔鳞癌术后组织中DPC4低表达、TGF-β1和KI67高表达对病变的形成和进展有一定作用。DPC4与TGF-β1具有负向协同作用,可能与对KI67标记的增殖有明显调节作用。
出处 《中国老年学杂志》 CAS 北大核心 2017年第20期5061-5062,共2页 Chinese Journal of Gerontology
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