DAPK与APC1A基因启动子甲基化在非小细胞肺癌诊断中的应用研究

来源 :2015中国老年医学和老年健康产业大会 | 被引量 : 0次 | 上传用户:xiaohengjun
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检测并分析非小细胞肺癌(NSCLC)组织中DAPK和APC1A基因启动子甲基化的表达情况,探讨二者与NSCLC各项临床病理特征之间的关系.选取2014年1月到2014年12月在天津医科大学总医院老年科就诊的非小细胞肺癌患者组织标本78例(实验组)和癌旁正常肺组织标本26例(对照组)作为本项目的研究对象.采用甲基化特异性PCR (methylation-specific PCR,MSP)方法进行DAPK、APC1A基因启动子区甲基化水平的检测,应用SPSS16.0统计学软件进行数据分析,采用卡方检验统计分析DAPK、APC1A与NSCLC各临床特征之间的关系.DAPK与APC1A之间的相关性采用Spearman等级相关分析.以P<0.05为差异有统计学意义,以P<0.01作为差异具有显著统计学意义.非小细胞肺癌中DAPK和APCIA的阳性表达均与患者年龄、肿瘤组织学类型、分化程度、淋巴结是否转移及TNM分期有关,肿瘤分化程度越低、有淋巴结转移及临床分期越晚,二者的阳性表达越高。DAPK与APCIA在非小细胞肺癌组织中的表达呈正相关,可能在肺癌的发生、侵袭和转移中起重要的作用。
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