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喉鳞状细胞癌患者自噬相关微小RNA的鉴定及预后意义 被引量:3

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摘要 目的鉴定喉鳞状细胞癌(laryngeal squamous cell carcinoma,LSCC)中自噬相关微小RNA(microRNA,miRNA),探讨其在肿瘤发展中的作用。方法数据库下载自噬相关基因及各个LSCC样本的miRNA表达谱,用limma包筛选差异表达的miRNA,并构建miRNA与自噬相关基因之间的共表达网络,从而筛选出自噬相关miRNA。Cox回归分析用于评估自噬相关miRNA在LSCC中的预后价值,建立基于自噬相关miRNA的风险指数模型以预测LSCC的预后。结果最终鉴定了6个关键自噬相关miRNA分别为hsa-miR-100-5p、hsa-miR-143-3p、hsa-miR-3607-5p、hsa-miR-454-3p、hsa-miR-455-5p、hsa-miR-99a-5p,均与LSCC的预后显着相关。富集分析表明所有的关键自噬相关miRNA在mTOR信号传导途径中均显著富集,利用多元Cox回归计算每个样品的风险指数,风险指数较低的患者具有更好的生存结果。结论关键自噬相关miRNA可以做为LSCC潜在的治疗靶标,基于自噬相关miRNA新构建的风险指数模型可以预测LSCC的预后。
出处 《中国耳鼻咽喉头颈外科》 CSCD 2020年第12期715-717,共3页 Chinese Archives of Otolaryngology-Head and Neck Surgery
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