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口腔癌及癌前病变中PLK1蛋白表达及其意义 被引量:3

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摘要 目的探讨保罗样激酶1(PLK1)蛋白在口腔黏膜癌变中的表达及意义。方法采用免疫组化SABC法检测10例正常口腔黏膜、29例上皮非典型增生及47例口腔鳞癌(o-ral squamous cell carcinomas,OSCC)组织中PLK1及Ki-67蛋白表达情况,分析其在口腔黏膜癌变过程中的作用及意义。结果PLK1蛋白在正常口腔黏膜组中未见阳性表达;上皮非典型增生组和OSCC组中阳性表达率分别为13.8%和70.2%,OSCC组PLK1蛋白阳性表达率高于上皮非典型增生组和正常组(P<0.05)。OSCC组中PLK1蛋白表达随着Ki-67表达增强而升高,两者间存在正相关关系(r=0.444、P<0.01)。PLK1阳性表达率在口腔鳞癌不同肿瘤分化程度、淋巴结转移及TNM分期组间比较差异均无统计学意义(P>0.05)。结论在口腔黏膜癌变过程中,PLK1蛋白可能是一种肿瘤特异性蛋白,有可能成为鉴别口腔良、恶性病变的一个新指标。PLK1蛋白过表达与OSCC细胞恶性增殖有关并在口腔癌的发生中可能起一定作用。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2010年第1期108-109,111,共3页 Chinese Journal of Clinical and Experimental Pathology
基金 国家自然科学基金资助(No30460139) 贵州省科技厅基金资助(黔科合J字[2009]2207)
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