Sci Rep:利用基因表达对透明细胞肾细胞癌的个性化药物重新定位研究

2018-04-05 AlexYang MedSci原创

癌症基因表达的逆转能够预测治疗方法的潜力,并且可以为已经存在的药物发现新的应用方法(药物重新定位)。基因表达逆转潜力在几乎所有的研究中都进行了估算,方法是通过预先将所有肿瘤样本聚集到单一组标签中或者有限的几个分子亚型组标签中。最近,有研究人员调查了是否基于个性化的肿瘤样本基因表达特征的药物重新定位能够优于肿瘤组和亚型组标签药物的使用。研究人员利用来自于530名透明细胞肾细胞癌(ccRCC)患者的5

癌症基因表达的逆转能够预测治疗方法的潜力,并且可以为已经存在的药物发现新的应用方法(药物重新定位)。基因表达逆转潜力在几乎所有的研究中都进行了估算,方法是通过预先将所有肿瘤样本聚集到单一组标签中或者有限的几个分子亚型组标签中。

最近,有研究人员调查了是否基于个性化的肿瘤样本基因表达特征的药物重新定位能够优于肿瘤组和亚型组标签药物的使用。研究人员利用来自于530名透明细胞肾细胞癌(ccRCC)患者的534的肿瘤样本和72个匹配的正常样本估算肿瘤特性。研究人员从CMAP何LINCS数据库中提取了不少于20000的药物标签。研究表明,个体肿瘤样本的阴性富集与在药物标签中差异化表达的基因数量(Spearman's rho=0.15)要比肿瘤组标签(Rho=0.08)和4种肿瘤亚型标签(Rho 0.036-0.11)的相关性更好。另外,针对ccRCC的靶标药物,比如雷帕霉素和西罗莫司脂化物,在预先聚集的肿瘤标签中不能被鉴定到,而在使用个性化样本分析中能够被鉴定。

最后,研究人员指出,可以通过考虑个人的肿瘤样本基因表达分析来对药物重新定位进行个性化定制。

原始出处:

Karel K. M. Koudijs, Anton G. T. Terwisscha van Scheltinga, Stefan BÖhringer et al. Personalised drug repositioning for Clear Cell Renal Cell Carcinoma using gene expression. Sci Rep. 27 Mar 2018.

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    2018-04-08 120fc218m00暂无昵称

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    2018-04-07 梦想起航ing

    不错.很好的学习视频.学习资源.学习了.谢谢分享

    0

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