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长链非编码RNA H19和沉默信息调节蛋白6在喉鳞状细胞癌中的表达及其与预后的关系 被引量:2

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摘要 目的研究长链非编码RNA H19和沉默信息调节蛋白6(silent information regulator 6,SIRT6)在喉鳞状细胞癌(laryngeal squamous cell carcinoma,LSCC)中的表达情况,二者与LSCC病理参数的关系及对患者预后的影响。方法选取2011年3月至2014年6月在郑州大学附属洛阳中心医院进行手术切除的53例患者作为研究对象,将切除的癌组织作为试验组,同时取同一患者的癌旁(距肿瘤边缘>2cm)组织作为正常对照组。采用实时聚合酶链式反应(real-time polymerase chain reaction,qRT-PCR)检测长链非编码RNAH19的表达情况;采用免疫组化检测SIRT6的阳性表达;分析长链非编码RNAH19和SIRT6与LSCC病理参数的关系;Cox回归分析影响LSCC预后因素;分析长链非编码RNA H19和SIRT6表达情况对LSCC患者生存情况的影响。结果试验组中长链非编码RNA H19 mRNA的表达显著高于对照组(P<0.05),SIRT6蛋白的阳性表达率明显低于对照组(P<0.05);长链非编码RNA H19、SIRT6的表达水平与TNM分期有关(P<0.05);Cox回归分析显示,长链非编码RNA H19表达是影响LSCC患者预后的独立危险因素,SIRT6表达是影响LSCC患者预后的独立保护因素;绘制LSCC患者术后60个月的生存曲线,长链非编码RNA H19高表达患者的总生存率明显低于低表达患者(P<0.05),SIRT6蛋白阳性表达患者的总生存率与阴性表达患者相比差异无显著性(P>0.05)。结论LSCC患者癌组织中长链非编码RNA H19表达上调、SIRT6蛋白阳性表达率下降,二者水平与TNM分期相关,且均与患者的预后状况密切相关,可为LSCC的治疗提供参考。
出处 《中国临床医生杂志》 2020年第6期691-695,共5页 Chinese Journal For Clinicians
基金 河南省洛阳市科技计划课题(910008A)
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