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作 者:杨维群 吴春林[2] 许海刚[2] 蔡玉梅 吴晓岚 吴佩琴[2]
机构地区:[1]泉州医学高等专科学校病理学教研室,362000 [2]福建医科大学附属第二医院病理科
出 处:《中华实验外科杂志》2014年第6期1351-1353,共3页Chinese Journal of Experimental Surgery
基 金:2010年泉州市优秀人才培养专项资助经费项目(10A02);2010年度泉州市技术研究与开发项目(2010241)
摘 要:目的检测食管鳞癌组织中人表皮生长因子受体2(HER2)/neu基因扩增和蛋白表达,并探讨其与食管鳞癌临床病理特征的关系。方法采用荧光原位杂交(FISH)和免疫组织化学(IHC)方法检测120例食管鳞癌组织中HER2/neu基因扩增及蛋白表达水平。结果FISH结果示食管鳞癌组织中HER2/neu基因扩增率为4.17%(5/120),IHC示HER2蛋白过表达(+++)率为3.33%(4/120),基因扩增与蛋白表达明显相关(P〈0.01);HER2/neu基因扩增和蛋白过表达与食管鳞癌患者的临床病理特征均无相关(P〉0.05)。结论食管鳞癌组织HER2/neu基因扩增及蛋白表达率均较低,其在食管鳞癌中的意义有待进一步的研究。Objective To investigate human epidermalgrowth factor receptor-2 ( HER2)/neu gene amplification and protein expression in esophageal squamous cell carcinoma (ESCC) and to explore their clinicopathological correlations. Methods The HER2/neu gene status and protein expression in 120 cases of ESCC were evaluated by using fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC). Results HER2/neu gene amplification and HER2 protein overexpression ( +++ ) were found in 5 (4. 17% ) and 4 (3.33%) cases of ESCC respectively. HER2 overexpression was associated significantly with HER2/neu gene amplification. There was no correlation between the HER2/neu gene amplification or overexpression of HER2 protein and the ESCC patients' clinicopathological features. Conclusion The HER2/neu gene amplification rate and its protein overexpression rate in ESCC were low, and the role HER2/neu gene plays in ESCC still need further studies.
关 键 词:食管鳞癌 人表皮生长因子受体2 NEU基因 免疫组织化学法
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