病人來源膠質母細胞瘤類器官體可涵蓋腫瘤異質性
作者:
小柯機器人發布時間:2019/12/27 15:22:01
美國賓夕法尼亞大學Hongjun Song、Guo-li Ming、Donald M. O』Rourke等研究人員合作建立了病人來源的膠質母細胞瘤類器官體模型和生物庫,其能夠涵蓋了腫瘤間和腫瘤內的異質性。相關論文於2019年12月26日在線發表在《細胞》雜誌上。
研究人員報告了用於產生和保存患者來源膠質母細胞瘤類器官體(GBO)的方法,這些類器官體涵蓋了其相應親本腫瘤的組織學特徵、細胞多樣性、基因表達和突變特徵。GBO能夠高度可靠地快速產生,並且在移植到成年齧齒動物大腦中後會表現出快速的侵襲性。
研究人員進一步證明了GBO測試個性化療法的實用性,即檢測GBO突變譜與對特定藥物的反應以及對嵌合抗原受體T細胞免疫療法的建模。這項研究表明,GBO保留了膠質母細胞瘤的許多關鍵特徵,可以迅速用於研究針對患者的治療策略。此外,研究人員建立的生物庫為基礎的和轉化的膠質母細胞瘤研究提供了豐富的資源。
研究人員表示,膠質母細胞瘤表現出巨大的腫瘤間和腫瘤內的異質性,使有效治療策略的研發變得複雜。目前的體外模型在保留親本腫瘤的細胞和突變多樣性方面受到限制,並且需要更長的產生時間。
附:英文原文
Title: A Patient-Derived Glioblastoma Organoid Model and Biobank Recapitulates Inter- and Intra-tumoral Heterogeneity
Author: Fadi Jacob, Ryan D. Salinas, Daniel Y. Zhang, Phuong T.T. Nguyen, Jordan G. Schnoll, Samuel Zheng Hao Wong, Radhika Thokala, Saad Sheikh, Deeksha Saxena, Stefan Prokop, Di-ao Liu, Xuyu Qian, Dmitriy Petrov, Timothy Lucas, H. Isaac Chen, Jay F. Dorsey, Kimberly M. Christian, Zev A. Binder, MacLean Nasrallah, Steven Brem, Donald M. O』Rourke, Guo-li Ming, Hongjun Song
Issue&Volume: December 26, 2019
Abstract: Glioblastomas exhibit vast inter- and intra-tumoral heterogeneity, complicating the development of effective therapeutic strategies. Current in vitro models are limited in preserving the cellular and mutational diversity of parental tumors and require a prolonged generation time. Here, we report methods for generating and biobanking patient-derived glioblastoma organoids (GBOs) that recapitulate the histological features, cellular diversity, gene expression, and mutational profiles of their corresponding parental tumors. GBOs can be generated quickly with high reliability and exhibit rapid, aggressive infiltration when transplanted into adult rodent brains. We further demonstrate the utility of GBOs to test personalized therapies by correlating GBO mutational profiles with responses to specific drugs and by modeling chimeric antigen receptor T cell immunotherapy. Our studies show that GBOs maintain many key features of glioblastomas and can be rapidly deployed to investigate patient-specific treatment strategies. Additionally, our live biobank establishes a rich resource for basic and translational glioblastoma research.
DOI: 10.1016/j.cell.2019.11.036
Source: https://www.cell.com/cell/fulltext/S0092-8674(19)31321-2
Cell:《細胞》,創刊於1974年。隸屬於細胞出版社,最新IF:36.216