Development of a miniaturized 3D organoid culture platform for ultra-high-throughput screening.

Development of a miniaturized 3D organoid culture platform for ultra-high-throughput screening.
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开发一种用于超高通量筛选的小型化3D类器官培养平台

DOI:
10.1093/jmcb/mjaa036
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发表时间:
2020-08-01
影响因子:
5.5
通讯作者:
Fu H
Fu H
中科院分区:
生物学1区
文献类型:
--
作者:
Du Y;Li X;Niu Q;Mo X;Qui M;Ma T;Kuo CJ;Fu H

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最近出现的将人体组织培养为 3D 类器官的强大方法使我们能够在体外环境中重现肿瘤的 3D 结构,并为药物发现提供了一种新的正交方法。然而,由于技术困难,用细胞外基质培养类器官来支持 3D 结构对于基于高通量筛选 (HTS) 的药物发现来说一直是一个挑战。使用基因工程的人类结肠类器官作为模型系统,在这里我们报告了我们在高密度板中利用细胞外基质支持微型化这种 3D 类器官培养以实现 HTS 的努力。我们首先以 384 孔板形式建立类器官培养,并通过筛选 2036 个化合物库验证其在细胞活力 HTS 测定中的应用。我们进一步以 1536 孔超 HTS 格式小型化 3D 类器官培养,并展示了其大规模初级化合物筛选的强大性能。我们的小型化类器官培养方法可以适用于其他类型的类器官。通过利用高密度板格式的 3D 类器官培养的力量,我们提供了一个生理相关的筛选平台来建模肿瘤,以加速基于类器官的研究和药物发现。
The recent advent of robust methods to grow human tissues as 3D organoids allows us to recapitulate the 3D architecture of tumors in an in vitro setting and offers a new orthogonal approach for drug discovery. However, organoid culturing with extracellular matrix to support 3D architecture has been challenging for high-throughput screening (HTS)-based drug discovery due to technical difficulties. Using genetically engineered human colon organoids as a model system, here we report our effort to miniaturize such 3D organoid culture with extracellular matrix support in high-density plates to enable HTS. We first established organoid culturing in a 384-well plate format and validated its application in a cell viability HTS assay by screening a 2036-compound library. We further miniaturized the 3D organoid culturing in a 1536-well ultra-HTS format and demonstrated its robust performance for large-scale primary compound screening. Our miniaturized organoid culturing method may be adapted to other types of organoids. By leveraging the power of 3D organoid culture in a high-density plate format, we provide a physiologically relevant screening platform to model tumors to accelerate organoid-based research and drug discovery.
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