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老年胃癌患者血清miR-93-5p水平及其与临床特征和预后的关系 被引量:6

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摘要 目的探讨老年胃癌患者血清miR-93-5p水平及其与临床特征和预后的关系。方法收集老年胃癌患者160例和同期老年健康体检者160例分别作为胃癌组和对照组。采用逆转录-聚合酶链反应(RT-PCR)测定血清miR-93-5p水平。结果胃癌组血清miR-93-5p水平明显高于对照组(P<0.05)。不同性别、年龄、肿瘤最大径、分化程度胃癌患者血清miR-93-5p水平比较差异无统计学意义(P>0.05);不同TNM分期、局部浸润深度、淋巴结转移胃癌患者血清miR-93-5p水平比较差异有统计学意义(P<0.05),TNM分期高、局部浸润深度深、有淋巴结转移胃癌患者血清miR-93-5p水平明显高于TNM分期低、局部浸润深度浅、无淋巴结转移者。血清miR-93-5p诊断胃癌的受试者工作特征(ROC)曲线下面积为0.871,95%CI为0.868~0.874,根据此截断值判断胃癌的灵敏度为71.25%,特异度为96.25%。血清miR-93-5p高表达组5年总生存率(51.09%)和无病生存率(39.13%)均明显低于低表达组(79.41%、70.59%,χ^2=13.477、15.516,P<0.001)。Cox比例风险模型结果显示:血清miR-93-5p水平、TNM分期、局部浸润深度、分化程度、淋巴结转移为胃癌预后的独立影响因素(P<0.05)。结论胃癌患者血清miR-93-5p水平升高,且与临床分期、浸润深度、淋巴结转移关系密切,在胃癌诊断和预后评估中具有重要价值。
出处 《中国老年学杂志》 CAS 北大核心 2020年第5期961-964,共4页 Chinese Journal of Gerontology
基金 嘉兴市科技工作专项计划公益项目(No.2017BY18014)
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