检验医学 ›› 2018, Vol. 33 ›› Issue (10): 924-927.DOI: 10.3969/j.issn.1673-8640.2018.10.012

• 临床应用研究∙论著 • 上一篇    下一篇

尿液miRNA143和miRNA133a在膀胱癌诊断中的应用

陆阳1, 梁伟1, 宋永胜2   

  1. 1.本溪市中心医院泌尿外科,辽宁 本溪 117000
    2.中国医科大学附属盛京医院泌尿外科,辽宁 沈阳 110004
  • 收稿日期:2017-10-27 出版日期:2018-10-30 发布日期:2018-10-23
  • 作者简介:null
    作者简介:陆 阳,男,1976年生,硕士,副主任医师,主要从事泌尿系统肿瘤的微创治疗研究。

Urinary miRNA143 and miRNA133a determinations in the diagnosis of bladder cancer

LU Yang1, LIANG Wei1, SONG Yongsheng2   

  1. 1. Department of Urology,Benxi Central Hospital,Benxi 117000,Liaoning,China
    2. Department of Urology,Shengjing Hospital of China Medical University,Shenyang 110004,Liaoning,China
  • Received:2017-10-27 Online:2018-10-30 Published:2018-10-23

摘要:

目的 探讨尿液中微小RNA143(miRNA143)、微小RNA133a(miRNA133a)相对表达量在膀胱癌诊断中的价值。方法 选取膀胱癌患者(膀胱癌组)50例、泌尿系统非肿瘤患者(疾病对照组)60例、体检健康者(正常对照组)60名。采用聚合酶链反应(PCR)检测膀胱癌组术前、术后及疾病对照组、正常对照组尿液miRNA143、miRNA133a的相对表达量。采用受试者工作特征(ROC)曲线评价尿液miRNA143和miRNA133a诊断膀胱癌的价值。结果 膀胱癌组术前尿液miRNA133a、miRNA143的相对表达量明显低于疾病对照组及正常对照组(P<0.05),而疾病对照组与正常对照组之间差异无统计学意义(P>0.05)。膀胱癌组术后尿液miRNA143和miRNA133a的相对表达量均明显高于术前(P<0.05)。不同TNM分期患者尿液miRNA143和miRNA133a的相对表达量差异无统计学意义(P>0.05)。ROC曲线分析显示,术前尿液miRNA143相对表达量诊断膀胱癌的最佳临界值为≤0.165,曲线下面积(AUC)为0.827,敏感性为72.7%、特异性为80.8%;尿液miRNA133a相对表达量诊断膀胱癌的最佳临界值为≤0.165,AUC为0.846,敏感性为75.0%、特异性为85.4%;二者联合检测的诊断性能无显著提高。结论 膀胱癌患者尿液miRNA143和miRNA133a呈低表达,其或许可作为辅助诊断膀胱癌的生物标志物。

关键词: 微小RNA143, 微小RNA133a, 膀胱癌, 尿液

Abstract:

Objective To investigate the roles of microRNA143(miRNA143) and microRNA133a(miRNA133a) in the diagnosis of bladder cancer. Methods There were 50 patients with bladder cancer (bladder cancer group),60 patients with non-bladder tumor (disease control group) and 60 healthy subjects (healthy control group). The levels of miRNA133a and miRNA143 in urine of bladder cancer group before and after surgery and control groups were determined by polymerase chain reaction (PCR). Receiver operating characteristic(ROC) curve was used to evaluate the roles of miRNA143 and miRNA 133a in the diagnosis of bladder cancer. Results The preoperative levels of miRNA143 and miRNA133a in bladder cancer group were lower than those in control groups(P<0.05), and there was no statistical significance between the 2 control groups (P>0.05). In bladder cancer group, miRNA143 and miRNA133a levels increased after surgery(P<0.05). There was no statistical significance for miRNA143 and miRNA133a with different TNM stages(P>0.05). ROC curve showed that the optimal cut-off value of the preoperative level of miRNA143 for the diagnosis of bladder cancer was ≤0.165,the area under curve (AUC) was 0.827,the sensitivity was 72.7%,and the specificity was 80.8%. The optimal cut-off value of the level of miRNA133a for the diagnosis of bladder cancer was ≤0.165,the AUC was 0.846,the sensitivity was 75.0%,and the specificity was 85.4%. The diagnostic performance of the combined determination of miRNA143 and miRNA133a was not improved. Conclusions There are low levels of miRNA143 and miRNA133a in patients with bladder cancer. MiRNA143 and miRNA133a are potential for the diagnosis of bladder cancer.

Key words: MicroRNA143, MicroRNA133a, Bladder cancer, Urine

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