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Journal Articles Nature Protocols Year : 2022

Induction of human trophoblast stem cells

Abstract

Cell reprogramming has allowed unprecedented access to human development, from virtually any genome. However, reprogramming yields pluripotent stem cells that can differentiate into all cells that form a fetus, but not extraembryonic annexes. Therefore, a cellular model allowing study of placental development from a broad genomic repertoire is lacking. Here, we describe an optimized protocol to reprogram somatic cells into human induced trophoblast stem cells (hiTSCs) and convert pluripotent stem cells into human converted TSCs (hcTSCs). This protocol enables much-needed genomespecific placental disease modeling. We also detail extravillous trophoblast and syncytiotrophoblast differentiation protocols from hiTSCs and hcTSCs, a necessary step to validate these cells. In total, this protocol takes 4 months and requires advanced cell culture skills, comparable to those necessary for somatic cell reprogramming into human induced pluripotent stem cells.
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Dates and versions

inserm-03892087 , version 1 (09-12-2022)

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Gaël Castel, Laurent David. Induction of human trophoblast stem cells. Nature Protocols, 2022, 17 (12), pp.2760 - 2783. ⟨10.1038/s41596-022-00744-0⟩. ⟨inserm-03892087⟩
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