食管鳞状细胞癌中nm23-H1和p53蛋白表达及其相互关系

被引:5
作者
刘立刚
潘铁成
魏翔
李军
潘友民
机构
[1] 华中科技大学同济医学院附属同济医院心胸外科
关键词
食管癌; p53蛋白; nm23-H1蛋白;
D O I
暂无
中图分类号
R735.1 [食管肿瘤];
学科分类号
摘要
目的:探讨食管鳞癌组织中p53和nm23-H1蛋白的表达与癌组织分化浸润转移的关系,以及探讨两者之间的相关性,并进一步分析癌组织中p53和nm23-H1蛋白表达对食管癌患者的预后意义。方法:采用免疫组织化学(S-P法)方法对100例人食管鳞癌组织中的p53和nm23-H1蛋白的表达情况进行检测。结果:100例食管鳞癌组织中,nm23-H1阳性表达者70例(阳性率为70%),p53阳性表达者64例(阳性率为64%)。nm23-H1蛋白表达与食管癌淋巴结转移有关(P<0.025),与食管鳞状细胞癌的分化程度、肿瘤部位、浸润深度、病变长度以及患者性别、年龄无关(P>0.05)。p53蛋白表达与食管鳞状细胞癌的分化程度、浸润深度有关(P<0.05),与食管癌淋巴结转移、肿瘤部位、病变长度、患者性别、年龄无关(P>0.05)。高分化鳞癌组织中p53明显低表达(29.2%);低分化鳞状细胞癌组织中p53表达明显增高(71.4%)。食管外膜受累者p53表达较高(56%);仅发生食管粘膜和(或)粘膜下浸润组的癌组织中未发现有p53蛋白的表达。食管癌组织中nm23-H1蛋白低(高)表达与p53高(低)表达之间有明显相关性(P<0.01)。nm23-H1和p53蛋白表达亦与食管癌的TNM分期密切相关(P<0.05)。食管癌TNM分期越晚,其癌组织中nm23-H1蛋白表达越低,p53蛋白表达越高。结论:nm23-H1基因低表达与p53基因高表达可能在食管鳞状细胞癌浸润转移过程中发挥重要作用。nm23-H1可以作为食管鳞状细胞癌患者预后的基因标记,其蛋白表达产物的检测可以用于患者预后的判断,并为患者治疗方案的制定提供参考。
引用
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页码:1111 / 1115
页数:5
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