Brakebusch Group – University of Copenhagen

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Embryonic Stem Cell Culture Conditions Support Distinct States Associated with Different Developmental Stages and Potency

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Embryonic stem cells (ESCs) are cell lines derived from the mammalian pre-implantation embryo. Here we assess the impact of derivation and culture conditions on both functional potency and ESC transcriptional identity. Individual ESCs cultured in either two small-molecule inhibitors (2i) or with knockout serum replacement (KOSR), but not serum, can generate high-level chimeras regardless of how these cells were derived. ESCs cultured in these conditions showed a transcriptional correlation with early pre-implantation embryos (E1.5-E3.5) and contributed to development from the 2-cell stage. Conversely, the transcriptome of serum-cultured ESCs correlated with later stages of development (E4.5), at which point embryonic cells are more restricted in their developmental potential. Thus, ESC culture systems are not equivalent, but support cell types that resemble distinct developmental stages. Cells derived in one condition can be reprogrammed to another developmental state merely by adaptation to another culture condition.

Original languageEnglish
JournalStem Cell Reports
Volume7
Issue number2
Pages (from-to)177-91
Number of pages15
ISSN2213-6711
DOIs
StatePublished - 9 Aug 2016

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  • Journal Article

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