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-  2018 

TEC酪氨酸蛋白激酶在肝癌组织中高表达并参与肝癌耐药

DOI: 10.3971/j.issn.1000-8578.2018.18.0107

Keywords: A Case Report,Knockdown of EN2 Induces Apoptosis and Enhances PTEN Protein Expression in Hepatocellular Carcinoma Cells,Comparison of Survival Rates Based on Recommended Treatment Algorithms of BCLC or HKLC Staging Systems for Hepatocellar Carcinoma Patients,Ampelopsis Regulates Invasive Activity and Invasion Gene Expression of Hepatocellular Carcinoma HepG2 Cell Line Through Dermcidin Protein,3E10 Targeting CD24 Enhances Chemotherapy Sensitivity of Hepatocellular Carcinoma HuH-7 Cells,Comparison of Efficiency and Safety Between Radiofrequency Ablation and Stereotactic Body Radiotherapy on Primary Small Hepatocellular Carcinoma,Effect of MicroRNA-340 on Proliferation and Apoptosis of Hepatocellular Carcinoma Cell Lines,Effect of Cyclin G1 on Radiosensitivity of Hepatocellular Carcinoma HepG2 Cells and Its Mechanism,Apoptotic Effect of Quinalizarin on Human Hepatoma Huh7 Cells and Its Antitumor Mechanism

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Abstract:

摘要 目的 研究TEC酪氨酸蛋白激酶在肝癌组织中的表达及其与肝癌耐药之间的关系,为肝癌临床治疗提供线索。方法 Real-time PCR、Western blot及免疫组织化学法检测癌旁、肝癌组织及肝癌细胞系中TEC mRNA、TEC蛋白表达水平;狭线杂交法检测肝癌组织中TEC mRNA表达水平;MTT检测细胞存活率。构建TEC真核表达载体,经脂质体介导法转染肝癌细胞;RNA干扰技术敲低肝癌细胞中TEC。免疫共沉淀技术检测TEC磷酸化活化水平。结果 18例肝癌组织中,TEC mRNA和蛋白水平显著高于癌旁组织(P<0.001);48例肝癌组织中,TEC高表达组对化疗药物的耐受能力明显高于TEC低表达组;上调TEC表达水平后,HepG2细胞对化疗药物的耐受性增加;用化疗药物处理肝癌细胞株HepG2,其TEC表达水平增加,并伴随有ERK磷酸化水平升高。 结论 TEC在肝癌组织中的高表达促进了肝癌的耐药,且可能与ERK磷酸化水平升高有关

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