Microfluidic platform for live cell imaging of 3D cultures with clone retrieval
Microfluidic platform for live cell imaging of 3D cultures with clone retrieval
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用于 3D 培养物活细胞成像和克隆检索的微流体平台
DOI:
10.1101/2020.02.17.952689
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Mulas C
中科院分区:
文献类型:
--
作者:
Mulas C
Combining live imaging with the ability to retrieve individual cells of interest remains a technical challenge. These combined methods are of particular interest when studying highly dynamic or transient, asynchronous or heterogeneous cell biological and developmental processes. Here we present a method to encapsulate live cells in a 3D hydrogel matrix, via droplet compartmentalisation. Using a small-scale screen, we optimised matrix conditions for the culture and multilineage differentiation of mouse embryonic stem (ES) cells. Moreover, we designed a custom microfluidic platform that is compatible with live imaging. With this platform we are able to retain or extract individual bead/droplets by media flow only, obviating the need for enzymatic cell removal from the platform. We show that we can differentiate mES cells, monitor reporter expression by live imaging, and retrieve individual droplets for functional assays, correlating reporter expression with functional response. Overall, we present a highly flexible 3D cell encapsulation and microfluidic platform that enables both monitoring of cellular dynamics and retrieval for molecular and functional assays.
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DOI:
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期刊:
影响因子:
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