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卵巢癌细胞系RMG-Ⅰ Lewis(y)抗原含量变化对其卡铂耐药性的影响
引用本文:赵越,林蓓,郝莹莹,严丽梅,刘娟娟,朱连成,张淑兰.卵巢癌细胞系RMG-Ⅰ Lewis(y)抗原含量变化对其卡铂耐药性的影响[J].生物化学与生物物理进展,2008,35(10):1175-1182.
作者姓名:赵越  林蓓  郝莹莹  严丽梅  刘娟娟  朱连成  张淑兰
作者单位:[1]中国医科大学附属盛京医院妇产科,沈阳110004 [2]大连医科大学附属二院妇产科,大连116021
基金项目:国家自然科学基金,辽宁省博士科研项目,辽宁省教育厅资助项目,辽宁省自然科学基金 
摘    要:利用Lewis(y)抗原稳定高表达细胞株RMG-I-H,研究细胞表面Lewis(y)抗原含量变化与细胞对卡铂耐药性的关系.利用四甲基偶氮唑盐(MTT)法测定不同浓度卡铂作用后细胞系RMG-I—H及其对照组RMG-I、RMG-I—C的细胞生长抑制率(IR);利用流式细胞仪(FCM)分析细胞凋亡,同时检测药物作用后细胞的凋亡比率;利用荧光染色法和透射电镜进一步观察细胞凋亡状态.结果表明,RMG-I-H的半数抑制浓度(IC50)为(58.07±2.42),明显高于对照组RMG—I(28.83±3.57)和RMG-I-C(25.71±8.24)的IC50(P〈0.01),后两者间无统计学差异(P〉0.05),流式细胞仪分析证实3组细胞均存在凋亡,经30mg/L、60mg/L卡铂处理后细胞再进行流式细胞仪检测,RMG—I-H的相对凋亡率分别为(20.43±0.71m和(38.11±0.33)%,为对照组的49%-63%,明显低于对照组(P〈0.05),2个对照组间比较无统计学差异(P〉0.05),荧光染色和透射电镜直接观察了细胞形态变化,每个浓度组RMG-I-H的凋亡程度均低于RMG-I和RMG-I-C.说明细胞表面Lewis(y)抗原含量增加的同时,卵巢癌细胞对卡铂的耐药性增强.

关 键 词:卵巢癌  Lewis(y)抗原  卡铂  耐药性
收稿时间:2008/1/22 0:00:00
修稿时间:2008/3/21 0:00:00

The Effects of Lewis(y) Antigenic Content on Drug Resistance to Carboplatin in Ovarian Cancer Line RMG-I
ZHAO Yue,LIN Bei,HAO Ying-Ying,YAN Li-Mei,LIU Juan-Juan,ZHU Lian-Cheng and ZHANG Shu-Lan.The Effects of Lewis(y) Antigenic Content on Drug Resistance to Carboplatin in Ovarian Cancer Line RMG-I[J].Progress In Biochemistry and Biophysics,2008,35(10):1175-1182.
Authors:ZHAO Yue  LIN Bei  HAO Ying-Ying  YAN Li-Mei  LIU Juan-Juan  ZHU Lian-Cheng and ZHANG Shu-Lan
Institution:Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Dalian Medical University, Dalian 116021, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China;Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China
Abstract:
Keywords:ovarian cancer  Lewis(y) antigen  carboplatin  drug resistance
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