期刊
STEM CELL REVIEWS AND REPORTS
卷 10, 期 1, 页码 16-30出版社
SPRINGER
DOI: 10.1007/s12015-013-9473-0
关键词
Embryonic stem cells; ERK pathway; Ground state pluripotency; TGF-beta pathway
资金
- Royan Institute
- Iranian Council of Stem Cell Technology
- Iran National Science Foundation (INSF)
Embryonic stem (ES) cells are considered to exist in a ground state if shielded from differentiation triggers. Here we show that FGF4 and TGF beta signaling pathway inhibitors, designated R2i, not only provide the ground state pluripotency in production and maintenance of na < ve ES cells from blastocysts of different mouse strains, but also maintain ES cells with higher genomic integrity following long-term cultivation compared with the chemical inhibition of the FGF4 and GSK3 pathways, known as 2i. Global transcriptome analysis of the ES cells highlights augmented BMP4 signaling pathway. The crucial role of the BMP4 pathway in maintaining the R2i ground state pluripotency is demonstrated by BMP4 receptor suppression, resulting in differentiation and cell death. In conclusion, by inhibiting TGF beta and FGF signaling pathways, we introduce a novel defined approach to efficiently establish the ground state pluripotency.
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