首页 | 本学科首页   官方微博 | 高级检索  
检索        

Chk1/2反义寡核苷酸对顺铂诱导的A549细胞生物学行为的影响
引用本文:叶飞,高庆蕾,黄晓园,谢大兴,卢运萍,周剑锋.Chk1/2反义寡核苷酸对顺铂诱导的A549细胞生物学行为的影响[J].华中科技大学学报(医学版),2008,37(6).
作者姓名:叶飞  高庆蕾  黄晓园  谢大兴  卢运萍  周剑锋
作者单位:1. 华中科技大学同济医学院附属同济医院,神经外科,武汉,430030
2. 华中科技大学同济医学院附属同济医院,妇产科,武汉,430030
3. 华中科技大学同济医学院附属同济医院,普通外科,武汉,430030
基金项目:国家重点基础研究发展规划(973计划),国家自然科学基金 
摘    要:目的观察顺铂作用下A549细胞的细胞周期变化规律和Chk1、Chk2(Chk1/2)反义寡核苷酸(As0DN)对顺铂(DDP)诱导的A549细胞生物学行为的影响。方法流式细胞术SubG,法检测DDP作用下A549细胞周期和凋亡的动力学变化;蛋白免疫印迹法(Westernblot)检测转染Chk1/2AsODN后Chk1/2蛋白的表达;流式细胞仪Annexin V-FITC法和SubG,法检测转染Chk1/2AsODN后DDP作用下的细胞周期和凋亡变化。结果10μmol/LDDP作用12h后A549细胞出现明显的S期阻滞,Chk1/2AsODN对A549细胞中Chk1/2蛋白表达有明显抑制作用,转染Chk1/2AsODN可显著增加DDP诱导下A549细胞的凋亡率约200%~300%,而联合转染Chk1/2AsODN与单转染相比,凋亡无明显增加(P〉0.05)。转染Chk1/2AsODN引起化疗增敏的机制是通过解除s期阻滞这种肿瘤细胞的自我保护机制实现的。结论Chk1/2可作为肺癌化疗药物增敏治疗的有效靶点,灭活Chk1/2基因可以显著增强肿瘤细胞化疗的敏感性。

关 键 词:Chk1/2基因  顺铂  S期阻滞  细胞凋亡

Effects of Antisense Oligonucleotide Targeting Chk1/2 on Apoptosis of A549 Cells Induced by DDP
Ye Fei,Gao Qinglei,Huang Xiaoyuan et al.Effects of Antisense Oligonucleotide Targeting Chk1/2 on Apoptosis of A549 Cells Induced by DDP[J].Journal of Huazhong University of Science and Technology(Health Sciences),2008,37(6).
Authors:Ye Fei  Gao Qinglei  Huang Xiaoyuan
Institution:Ye Fei1,Gao Qinglei2,Huang Xiaoyuan2 et al1Department of Neurosurgery,2Department of Obstetrics , Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science , Technology,Wuhan 430030
Abstract:Objective To investigate the change of cell cycle induced by cisplatin (DDP) and the effects of antisense oligonucleotide (AsODN) targeting Chk1/2 on apoptosis induced by DDP in A549 cells. Methods The Chk1/2 protein expression was detected by Western blot after transfection of AsODN targeting Chk1/2 by lipofectamine into A549 cells. Apoptosis of A549 cells induced by DDP was assayed by flow cytometry after transfection of Chk1/2 AsODN. Results Asynchronized A549 cells were treated with different doses of D...
Keywords:Chk1/2 gene  cisplatin  S arrest  apoptosis  
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号