Tumor Evolution and Drug Response in Patient-Derived Organoid Models of Bladder Cancer.

Tumor Evolution and Drug Response in Patient-Derived Organoid Models of Bladder Cancer.
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膀胱癌患者源性类器官模型中的肿瘤演变和药物反应。

DOI:
10.1016/j.cell.2018.03.017
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发表时间:
2018-04-05
期刊:
影响因子:
64.5
通讯作者:
Shen MM
Shen MM
中科院分区:
生物学1区
文献类型:
--
作者:
Lee SH;Hu W;Matulay JT;Silva MV;Owczarek TB;Kim K;Chua CW;Barlow LJ;Kandoth C;Williams AB;Bergren SK;Pietzak EJ;Anderson CB;Benson MC;Coleman JA;Taylor BS;Abate-Shen C;McKiernan JM;Al-Ahmadie H;Solit DB;Shen MM

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膀胱癌是美国第五大流行癌症,然而,研究不足,很少有实验室模型存在,反映了人类疾病的生物学。在这里,我们描述了一个生物银行的患者来源的类器官线,概括了人类膀胱癌的组织病理学和分子多样性。类器官系可以从疾病复发前后获得的患者活检有效地建立,并且与原位异种移植物相互转化。值得注意的是,类器官系通常保留亲本肿瘤异质性,并表现出一系列与培养物中肿瘤演变一致的基因组变化。使用膀胱肿瘤类器官的药物反应分析显示与突变谱的部分相关性以及与治疗抗性相关的变化,并且可以使用异种移植物在体内验证特异性反应。我们的研究表明,患者来源的膀胱肿瘤类器官代表了在精确癌症医学背景下研究肿瘤演变和治疗反应的忠实模型系统。患者来源的膀胱癌类器官的生物库忠实地概括了人类癌症的特征,并能够分析克隆进化和药物反应。
Bladder cancer is the fifth most prevalent cancer in the U.S., yet is understudied and few laboratory models exist that reflect the biology of the human disease. Here we describe a biobank of patient-derived organoid lines that recapitulates the histopathological and molecular diversity of human bladder cancer. Organoid lines can be established efficiently from patient biopsies acquired before and after disease recurrence, and are interconvertible with orthotopic xenografts. Notably, organoid lines often retain parental tumor heterogeneity and exhibit a spectrum of genomic changes that are consistent with tumor evolution in culture. Analyses of drug response using bladder tumor organoids show partial correlations with mutational profiles as well as changes associated with treatment resistance, and specific responses can be validated using xenografts in vivo. Our studies indicate that patient-derived bladder tumor organoids represent a faithful model system for studying tumor evolution and treatment response in the context of precision cancer medicine. A biobank of patient-derived bladder cancer organoids faithfully recapitulates features of human cancer and enables analysis of clonal evolution and drug responses.
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