期刊
NATURE PROTOCOLS
卷 10, 期 9, 页码 1345-1361出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nprot.2015.089
关键词
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资金
- Cluster of Excellence REBIRTH [ZW 64/4-1, MA2331/16-1, DFG EXC62/3]
- German Ministry for Education and Science (BMBF) [13N12606]
- StemBANCC (Innovative Medicines Initiative) [115439-2]
- StemBANCC (European Union company)
- StemBANCC (European Federation of Pharmaceutical Industries and Associations (EFPIA) company)
Cardiomyocytes (CMs) generated from human pluripotent stem cells (hPSCs) are a potential cell source for regenerative therapies, drug discovery and disease modeling. All these applications require a routine supply of relatively large quantities of in vitro-generated CMs. This protocol describes a suspension culture-based strategy for the generation of hPSC-CMs as cell-only aggregates, which facilitates process development and scale-up. Aggregates are formed for 4 d in hPSC culture medium followed by 10 d of directed differentiation by applying chemical Wnt pathway modulators. The protocol is applicable to static multiwell formats supporting fast adaptation to specific hPSC line requirements. We also demonstrate how to apply the protocol using stirred tank bioreactors at a 100-ml scale, providing a well-controlled upscaling platform for CM production. In bioreactors, the generation of 40-50 million CMs per differentiation batch at >80% purity without further lineage enrichment can been achieved within 24 d.
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