细胞周期蛋白D1表达与乳腺癌新辅助化疗关系的研究

Cancer Research and Clinic(2013)

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Abstract
目的 观察乳腺癌新辅助化疗(NAC)前后cyclin D1表达情况,探讨其与化疗效果之间的关系.方法 选择84例乳腺癌患者经空心针穿刺获取组织学样本并加以验证,经3~4个周期ET方案[吡柔比星(THP)+多西紫杉醇(TXT)]NAC,采用免疫组织化学Envision二步法检测化疗前、后cyclinD1的表达变化情况.结果 84例患者中完全缓解(CR)4例(4.76%)(其中病理CR 2例),部分缓解(PR) 54例(64.29%),稳定(SD) 26例(30.95%),无疾病进展(PD)患者.NAC后乳腺癌组织中cyclin D1表达降低[65.48%(55/84)],与化疗前[39.29%(33/84)]相比,差异有统计意义(x 2=11.55,P=0.001).NAC后cyclin D1阳性表达转为阴性表达者临床缓解率[86.36%(19/22)]高于未转为阴性表达者[45.45%(15/33)],差异有统计学意义(x2=9.359,P=0.002).结论 NAC降低乳腺癌组织中的cyclinD1表达,且NAC后cyclinD1表达转阴者化疗效果提高,可以评估NAC的有效性.
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Key words
Breast neoplasms,Cyclin D1,Neo-adjuvant chemotherapy
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