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Proteomic analysis of human ovarian cancer cell lines and their platinum-resistant clones
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY
- Issue:
- 9
- DOI:
- 10.3760/j.issn:0529-567X.2006.09.003
- Key Word:
- 卵巢肿瘤;铂化合物;抗药性,肿瘤;蛋白质组学
Abstract： 目的 对卵巢上皮性癌(卵巢癌)细胞系进行铂类药物耐药相关蛋白的比较蛋白质组分析.方法 应用双向凝胶电泳和基质辅助激光解吸电离飞行时间质谱(MALDI-TOF-MS)寻找对铂类药物敏感(SKOV3和A2780)及耐药(SKOV3/CDDP、SKOV3/CBP、A2780/CDDP和A2780/CBP)卵巢癌细胞系的差异表达蛋白质.RT-PCR、蛋白印迹法分别验证差异表达蛋白质在各细胞系中mRNA和蛋白的表达水平.结果 共发现5种蛋白质(膜联蛋白A3、破解蛋白、辅酶Ⅱ依赖的异柠檬酸脱氢酶1、谷胱甘肽转移酶omega 1和丝切蛋白1)在3种及3种以上耐药细胞中均有差异表达,膜联蛋白A3的表达差异最显著.膜联蛋白A3基因的mRNA和蛋白表达水平,SKOV3/CDDP、SKOV3/CBP、A2780/CDDP和A2780/CBP细胞较SKOV3和A2780细胞明显升高.结论 应用蛋白质组学技术对SKOV3和A2780细胞系及其4种耐药细胞系进行比较蛋白质组分析,共识别鉴定出5种蛋白质,膜联蛋白A3、破解蛋白、辅酶Ⅱ依赖的异柠檬酸脱氢酶1、谷胱甘肽转移酶omega 1和丝切蛋白1可能参与卵巢癌铂类药物耐药机制的形成.
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