Abstract

背景与目的肺癌是目前世界范围内造成死亡人数最多的癌症之一,而肺腺癌是其主要分型。DEPDC1(DEP domain containing 1)被证实与多数肿瘤的发生发展密切相关,DEPDC1在肺腺癌中过表达已被初步证实,本研究旨在探究DEPDC1的表达与肺腺癌临床预后的关系,对DEPDC1作为肺腺癌潜在生物标志物和治疗靶点的可能性进行初步探讨。方法利用生物信息学网站GEPIA搜集相关信息,在线分析DEPDC1表达与患者预后生存关系。收集本医院患者资料,对收集的样本进行免疫组化染色,并进行统计学分析。随后,体外培养肺腺癌系细胞,通过Western blot与逆转录定量聚合酶链反应(reverse transcription-quantitative polymerase chain reaction, RT-qPCR)验证敲低效率,再进行细胞增殖的实验。结果DEPDC1在肺腺癌组织中表达显著高于癌旁正常组织,DEPDC1在肺腺癌组织中高表达,DEPDC1高表达与肺腺癌的肿瘤大小临床分期相关,敲低DEPDC1可抑制A549和H1975细胞增殖。结论DEPDC1在肺腺癌的进展演变中扮演着重要角色,有望成为肺腺癌重要的治疗靶点和一个潜在的新的生物标志物。

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