PD-L1在食管癌中的表达及意义

Journal of Clinical Research(2016)

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Abstract
[目的]探讨食管癌中程序性死亡因子配体-1 (PD-L1)的表达情况及与病情的相关性.[方法]以100例健康体检者及100例食管癌作为观察对象,以健康体检者为对照组,以食管癌患者为观察组.对比两组食管组织内PD-L1阳性表达率.并比较观察组中不同病理类型、分化程度、肿瘤部位、肿瘤直径、浸润深度及pTNM不同分期的PD-L1阳性表达率.[结果]观察组PD-L1阳性表达率明显高于对照组(P<0.05).而在观察组中,不同病理类型、分化程度及肿瘤部位间PD-L1阳性表达率比较未见统计学差异(P>0.05);而肿瘤直径>5 cm、浸润深度>肌层及pTNM分期>Ⅱ期PD-L1阳性表达率明显升高(P<0.05).同时PD-L1阳性表达率与肿瘤直径、浸润深度及pTNM分期具有显著的直线相关性(P<0.05).[结论]PD-L1阳性表达率在食管癌组织中有着显著的升高,且其与病情有着显著的相关性.
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Key words
Ligands,Esophageal Neoplasms/PA,Neoplasm Invasiveness,Neoplasm Staging
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