%0 Journal Article %T Connexin43在肝细胞癌组织中的表达 %A 吴穷 %A 张凯 %A 李玉梅 %A 杨燕 %A 秦叔逵 %A 赵宇 %A 郑荣生 %J 肿瘤防治研究 %D 2015 %R 10.3971/j.issn.1000-8578.2015.12.009 %X 摘要 目的 探讨缝隙连接蛋白(connexin, Cx)43在肝细胞癌(hepatocellular carcinoma, HCC)中的表达和功能。方法 采用免疫组织化学法检测Cx43在20例正常肝脏组织及76例HCC组织中的表达及分布。采用RT-PCR和Western blot法检测正常肝细胞LO2和肝癌细胞SMMC-7721中Cx43的表达,免疫荧光法观察Cx43的分布,细胞接种荧光示踪法测定细胞缝隙连接(gap junction, GJ)功能。结果 Cx43在HCC组织中的阳性表达率较正常肝脏组织明显下调,且从细胞膜向细胞质定位的“内化”现象明显。体外实验进一步证实与LO2细胞相比,Cx43在SMMC-7721细胞上存在表达及分布的异常,并且功能性GJ明显下调。结论 Cx43蛋白数量改变及分布异常与HCC发生密切相关,Cx43有望成为治疗HCC新靶点 %K A Meta-analysis %K Trichostatin A Increases Sensitivity of Hepatocellular Carcinoma Cells Bel7402 to TRAIL %K Percutaneous Ultrasound-guided Radiofrequency Ablation with Artificial Ascites for Hepatocellular Carcinoma in Hepatic Dome %K Cost Effectiveness of Transcatheter Arterial Chemoembolization for Preventing Hepatocellular Carcinoma Recurrence After Radical Resection %K Effect of Silencing TLR4 Gene by RNA Interference Carried by Lentiviral Vector on Subcutaneous Tumor of Human Hepatitis B Virus-associated Hepatocellular Carcinoma in Nude Mice %K p38MAPK Signaling Pathway in Rosiglitazone-induced Apoptosis of Hepatocellular Carcinoma Cell Line HepG2 %U http://www.zlfzyj.com/CN/abstract/abstract8657.shtml