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EZH2基因在结直肠癌肿瘤干细胞化疗中的临床意义及耐药作用 被引量:4

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摘要 目的探讨EZH2基因与结直肠癌各临床病理参数、生存期的关系以及在结直肠癌细胞耐药模型LoVo/5-Fu中的表达情况。方法采用SP免疫组化技术检测结直肠癌中EZH2的表达情况,利用SPSS19.0软件分析EZH2的表达与结直肠癌临床参数、生存期的关系;用半定量RT-PCR方法对EZH2基因在耐药细胞及其亲本细胞中的表达情况进行验证。结果 EZH2表达与Dukes分期、淋巴结转移情况相关(P<0.05);EZH2阳性组中位生存时间为43个月,阴性组中位时间>48.74个月,两组生存函数经Log-Rank检验有统计学差异(χ2=5.86,P=0.015);EZH2在LoVo/5-Fu与LoVo中的表达有差异。结论 EZH2基因可能与LoVo/5-Fu细胞株耐药机制有关,提示EZH2基因表达可能影响癌细胞对5-Fu敏感性;且EZH2基因对判断结直肠肿瘤转移机制以及病情进展有一定临床价值。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2015年第22期6436-6438,共3页 Chinese Journal of Gerontology
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