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P120连环蛋白在鼻咽癌中的表达及其与细胞凋亡的关系 被引量:4

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摘要 目的:研究鼻咽癌组织中上皮钙黏蛋白(E-cadherin)/P120连环蛋白(P120ctn)的表达情况,探讨它们与临床病理特征、细胞凋亡之间的关系。方法:应用免疫组化二步法、TUNEL技术检测56例鼻咽癌标本和15例正常鼻咽黏膜上皮标本中E-cadherin、P120ctn的表达情况以及鼻咽癌细胞凋亡情况。结果:鼻咽癌组织中E-cadherin和P120ctn的异常表达率分别为64.29%(36/56)和67.86%(38/56)。E-cadherin和P120ctn的异常表达均与鼻咽癌的病理分型(分别为P=0.0118和P=0.0010)、TNM分期(分别为P=0.0208和P=0.0124)、颈部淋巴结转移(分别为P=0.0438和P=0.0406)之间存在显著相关。P120ctn与E-cadherin在鼻咽癌组织中的表达呈正相关(r=0.5217,P=0.0000)。12例E-cadherin与P120ctn共同正常表达组癌细胞凋亡指数(AI)为0.3%~2.0%(均数为0.83%),28例E-cadherin与P120ctn共同异常表达组癌细胞AI为0.1%~1.3%(均数为0.56%),无统计学差异(P=0.3271)。结论:鼻咽癌的发生发展过程中常发生E-cadherin与P120ctn的表达异常,与肿瘤的浸润、转移有关,可作为判断鼻咽癌生物学特征和预后的重要指标。鼻咽癌组织中E-cadherin与P120ctn的表达与癌细胞凋亡无直接相关关系。
出处 《实用医学杂志》 CAS 北大核心 2009年第22期3749-3752,共4页 The Journal of Practical Medicine
基金 广西青年科学基金资助项目(编号:桂科青0542060)
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参考文献12

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二级参考文献21

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