Abstract

目的 探讨桩蛋白(Paxillin)、突变型p53蛋白(mutant-p53,mt-p53)在人肺癌组织中表达及其临床意义.方法应用免疫组织化学SP方法检测120例肺癌、80例癌旁无癌浸润肺组织、53例正常肺组织的Paxillin和mt-p53蛋白的表达.结果肺癌、癌旁无癌浸润肺组织和正常肺组织Paxillin的阳性表达率分别为39.1%(47/120)、81.3%(65/80)、83.3%(44/53),三者的差异有统计学意义,P<0.01.mt-p53蛋白阳性表达率分别为54.2%(65/120)、7.5%(6/80)、0.0%(0/53),三者的阳性表达差异也有统计学意义,P<0.01.肺癌组织中Paxillin的阳性表达与肺癌的临床病理分期、肺癌分化程度、淋巴结转移有关,P<0.05.mt-p53蛋白阳性表达率与肺癌的临床分期无显著相关性(P>0.05),与肺癌的恶性程度及淋巴转移呈正相关(P<0.05).Paxillin、mt-p53阳性表达率与肺癌术后3年生存率之间关系,无统计学意义(P>0.05).肺癌Paxillin与mt-p53的阳性表达呈负相关,P<0.05.结论检测肺癌组织中Paxillin、mt-p53对判断肺癌的恶性程度、淋巴转移趋势具有重要价值。

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