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Generation of embryo-like structures from mouse embryonic stem cells treated with a chemical inhibitor of SUMOylation and cultured in microdroplets

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Traboulsi, Tatiana | Sart, Sébastien | Baroud, Charles N. | Dejean, Anne | Cossec, Jack-Christophe

Edité par CCSD ; Elsevier -

International audience. The field of stem cell-based embryo-like models is rapidly evolving, providing in vitro models of in utero stages of mammalian development. Here, we detail steps to first establish adherent spheroids composed of three cell types from mouse embryonic stem cells solely treated with a chemical inhibitor of SUMOylation. We then describe procedures for generating highly reproducible gastruloids from these dissociated spheroid cells, as well as embryo-like structures comprising anterior neural and trunk somite-like regions using an optimized microfluidics platform. For complete details on the use and execution of this protocol, please refer to Cossec et al. (2023).

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