OncoTargets and Therapy:KLF4可预测晚期乳腺癌新辅助化疗的疗效

2014-11-13 MedSci MedSci原创

OncoTargets and Therapy:KLF4可预测晚期乳腺癌新辅助化疗的疗效 研究背景:对于局部晚期乳腺癌患者,新辅助化疗(NAC)可增加切除率和获得保乳手术机会,NAC达到病理完全缓解(PCR)的患者有更好的预后,然而一部分患者却对化疗无效,因此研究可预测NAC疗效的分子标记物对于指导临床治疗有十分重要的作用。以往的研究表明转录因子KLF4与肿瘤干细胞(CSCs)的维持以及对肿

研究背景:

对于局部晚期乳腺癌患者,新辅助化疗(NAC)可增加切除率和获得保乳手术机会NAC达到病理完全缓解(PCR)的患者有更好的预后,然而一部分患者却对化疗无效,因此研究可预测NAC疗效的分子标记物对于指导临床治疗有十分重要的作用。以往的研究表明转录因子KLF4与肿瘤干细胞CSCs)的维持以及对肿瘤的侵袭和转移有关

研究目的:

本研究拟讨论转录因子KLF4是否可预测局部晚期乳腺癌患者进行新辅助化疗的疗效。

研究方法:

研究人群为2002-2010年在邵逸夫医院肿瘤外科接受新辅助化疗及随后手术的48名乳腺癌患者,并进行随访,其中12名为达到PCR的乳腺癌患者(乳腺穿刺病理组织可获得),每名患者设立3个未达到PCR的对照,过免疫组化检查分析其KLF4的表达,用SPSS16.0进行统计学分析。

研究结果:

通过比较PCR组和非PCR组患者的总生存率(OS)发现:PCR5年生存率显著高于非PCR组。非PCR组较PCRKLF4表达显著增高((P0.001),通过多变量分析发现KLF4表达与PCR独立相关。除此之外,KLF4高表达患者有更差的无病生存率(DFS)

研究结论:

KLF4低表达的患者更容易从乳腺癌新辅助化疗中获益,因此可作为预测局部晚期乳腺癌新辅助化疗后达到病理完全缓解的分子标记物。

原文出处:

Dong, M.J., et al., The transcription factor KLF4 as an independent predictive marker for pathologic complete remission in breast cancer neoadjuvant chemotherapy: a case-control study. Onco Targets Ther, 2014. 7: p. 1963-9.

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