胃癌组织中miR-181、miR-133a表达变化及意义

被引:8
作者
李伟
潘静
陈曦
机构
[1] 石家庄市第一医院
关键词
胃癌; 微小RNA-181; 微小RNA-133a; 预后;
D O I
暂无
中图分类号
R735.2 [胃肿瘤];
学科分类号
摘要
目的探讨胃癌组织中微小RNA(miR)-181、miR-133a表达变化及意义。方法收集113例胃癌患者手术切除的癌组织及其癌旁正常组织样本,采用实时定量PCR技术检测组织中miR-181、miR-133a表达;分析胃癌组织中miR-181、miR-133a表达与患者临床病理特征的关系,用Kaplan-Meier生存曲线评估miR-181、miR-133a表达与患者术后5年总生存率的关系,Cox回归模型分析胃癌患者预后的影响因素。结果与癌旁正常组织相比,胃癌组织中miR-181相对表达量高,miR-133a相对表达量低(P均<0. 05)。胃癌组织中miR-181表达与患者性别、年龄、病理类型无关(P均>0. 05),与肿瘤直径、分化程度、浸润深度、淋巴结转移、远处转移及TNM分期有关(P均<0. 05); miR-133a表达与患者年龄、性别、肿瘤直径、分化程度、病理类型、TNM分期无关(P均> 0. 05),与肿瘤浸润深度、淋巴结转移、远处转移有关(P均<0. 05)。miR-181高表达组术后5年总生存率、中位生存时间均低于miR-181低表达组(P均<0. 05)。miR-133a低表达组术后5年总生存率、中位生存时间均低于miR-133a高表达组(P均<0. 05)。胃癌患者预后的危险因素有浸润深度(浆膜层)、淋巴结转移、远处转移、TNM分期较高及miR-181高表达、miR-133a低表达(HR均>1,P均<0. 05)。结论胃癌组织中miR-181高表达、miR-133a低表达,二者可能参与胃癌的发生发展,且影响患者预后。
引用
收藏
页码:25 / 29
页数:5
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