表柔比星联合多西他赛新辅助化疗对乳腺癌患者癌组织Ki-67表达的影响及意义

被引:31
作者
冯宇
赵霞
吕淑贞
穆颖
王丹丹
李艳萍
机构
[1] 首都医科大学附属北京世纪坛医院
关键词
乳腺癌; 新辅助化疗; 表柔比星; 多西他赛; Ki-67;
D O I
暂无
中图分类号
R737.9 [乳腺肿瘤];
学科分类号
100214 [肿瘤学];
摘要
目的探讨表柔比星联合多西他赛新辅助化疗对乳腺癌患者癌组织Ki-67表达的影响及意义。方法选择行乳腺癌根治术的乳腺癌患者86例,术前均予表柔比星联合多西他赛新辅助化疗。化疗前及化疗后采用定量PCR法及Western blotting法检测癌组织(化疗前取穿刺活检组织,化疗后取手术切除组织)Ki-67 mRNA及蛋白表达。术后随访5年,采用Kaplan Meire生存曲线法统计无病生存期(DFS)、总生存期(OS),采用Cox比例风险回归模型分析DFS、OS与乳腺癌组织Ki-67表达的关系。结果化疗后乳腺癌组织Ki-67 mRNA及蛋白表达较化疗前均降低(P均<0.05)。根据化疗前后Ki-67 mRNA表达的变化量,以下调10%为临界值,86例患者中Ki-67mRNA下调≥10%者57例、下调<10%者39例,其DFS分别为36、22个月,OS分别为45、37个月,二者比较P均<0.01。乳腺癌组织Ki-67表达是乳腺癌患者DFS和OS独立影响因素(HR分别为1.807、1.768,P均<0.05)。结论表柔比星联合多西他赛新辅助化疗可下调乳腺癌患者癌组织Ki-67表达,而Ki-67表达与患者预后有关。
引用
收藏
页码:63 / 65
页数:3
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