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3D culture system to study collective migration in mammary organoid epithelium

STAR Protoc. 2021-08; 
Yunzhe Lu, Ruolan Deng, Huanyang You, Pengfei Lu
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摘要

We recently established an culture system in which mammary gland organoid undergoes directional migration in response to an FGF10 concentration gradient. Here, we describe a step-by-step protocol for preparing organoids, the setup of the 3D culture system, and the image acquisition approach. The technical difficulties in conducting the 3D migration assay are choosing epithelial organoids of appropriate sizes and manually paring organoids and beads pre-soaked in FGF10 within a desirable distance (∼100 μm). For complete details on the use and execution of this protocol, please refer to Lu et al. (2020).

关键词

Cell Biology, Cell culture, Developmental biology, Microscopy, Organoids