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JNCI:胃癌患者BRCA1 高表达可从多西紫杉醇化疗方案获益

2012-02-06 MedSci MedSci原创

  美国国立癌症研究院院刊(J Natl Cancer Inst.)近日刊载了南京大学医学院附属鼓楼医院肿瘤中心魏嘉博士撰写的胃癌个体化疗的最新成果,并配发了编者按。该论文的发表标志着中国胃癌个体化疗进入了一个新阶段。   据了解,该研究是通过对胃癌病人长期治疗和随访,结合系列性基因标志的筛查,发现胃癌肿瘤组织中BRCA1 mRNA表达水平可以预测胃癌患者是否可从含“多西紫杉醇”的化疗方案中获益

  美国国立癌症研究院院刊(J Natl Cancer Inst.)近日刊载了南京大学医学院附属鼓楼医院肿瘤中心魏嘉博士撰写的胃癌个体化疗的最新成果,并配发了编者按。该论文的发表标志着中国胃癌个体化疗进入了一个新阶段。

  据了解,该研究是通过对胃癌病人长期治疗和随访,结合系列性基因标志的筛查,发现胃癌肿瘤组织中BRCA1 mRNA表达水平可以预测胃癌患者是否可从含“多西紫杉醇”的化疗方案中获益。BRCA1 高表达的患者接受“多西紫杉醇”化疗生存时间为24.9月,而BRCA1 低表达者仅9.5月。该发现首次为个体化疗在胃癌的推广应用提供了科学依据。

  鼓楼医院肿瘤中心主任刘宝瑞说:“通过对相关基因的研究,让我们可以锁定一些关键指标来指导我们用药。比如,在对一个晚期胃癌患者进行治疗前,我们就可以先通过检测这个指标来判断患者是否适合采取某类药物的治疗方案。如果预测评估的效果不理想,我们就可以直接采取其他的方法来减轻患者痛苦、延长患者生命。这在对肿瘤患者的治疗中,可以争取到至关重要的时间,同时可以减轻患者的痛苦和经济负担。”

  南京鼓楼医院肿瘤中心自204年起就在国内率先开展胃癌个体化疗的临床转化医学研究。在博士生导师刘宝瑞和钱晓萍的带领下,魏嘉等博士先后针对胃癌常用化疗药物紫杉醇、铂类疗效相关基因进行了全面研究,在基因多态性等多层次的科学验证,阐明了诸多基因分子在胃癌个体化疗中的作用,获得了一批有价值的结果,有20篇SCI论文发表,并多次参加国际会议交流。

  在此基础上,南京大学医学院附属鼓楼医院肿瘤中心开展了“BRCA1 mRNA表达水平指导下进展期胃癌个体化疗的随机对照前瞻性研究”。该项目针对晚期胃癌患者,在其接受治疗前检测药物敏感相关基因表达水平,选择预计有效率高的化疗药物,设计最佳化疗方案,从而提高肿瘤治疗效果,改善肿瘤患者预后。

原始出处:

Wei J, Costa C, Ding Y, Zou Z, Yu L, Sanchez JJ, Qian X, Chen H, Gimenez-Capitan A, Meng F, Moran T, Benlloch S, Taron M, Rosell R, Liu B.mRNA expression of BRCA1, PIAS1, and PIAS4 and survival after second-line docetaxel in advanced gastric cancer.J Natl Cancer Inst. 2011 Oct 19;103(20):1552-6.

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