Endogenous suppression of WNT signalling in human embryonic stem cells leads to low differentiation propensity towards definitive endoderm.
Endogenous suppression of WNT signalling in human embryonic stem cells leads to low differentiation propensity towards definitive endoderm.
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DOI:
10.1038/s41598-021-85447-4
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发表时间:
2021-03-17
影响因子:
4.6
通讯作者:
Geens M
中科院分区:
文献类型:
--
作者:
Dziedzicka D;Tewary M;Keller A;Tilleman L;Prochazka L;Östblom J;Couvreu De Deckersberg E;Markouli C;Franck S;Van Nieuwerburgh F;Spits C;Zandstra PW;Sermon K;Geens M
Low differentiation propensity towards a targeted lineage can significantly hamper the utility of individual human pluripotent stem cell (hPSC) lines in biomedical applications. Here, we use monolayer and micropatterned cell cultures, as well as transcriptomic profiling, to investigate how variability in signalling pathway activity between human embryonic stem cell lines affects their differentiation efficiency towards definitive endoderm (DE). We show that endogenous suppression of WNT signalling in hPSCs at the onset of differentiation prevents the switch from self-renewal to DE specification. Gene expression profiling reveals that this inefficient switch is reflected in NANOG expression dynamics. Importantly, we demonstrate that higher WNT stimulation or inhibition of the PI3K/AKT signalling can overcome the DE commitment blockage. Our findings highlight that redirection of the activity of Activin/NODAL pathway by WNT signalling towards mediating DE fate specification is a vulnerable spot, as disruption of this process can result in poor hPSC specification towards DE.
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影响因子:
5.9
作者:
Avior, Yishai;Biancotti, Juan Carlos;Benvenisty, Nissim
通讯作者:
Benvenisty, Nissim
影响因子:
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作者:
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Spits, Claudia
DOI:
10.1073/pnas.0910012107
发表时间:
2010-03-02
影响因子:
11.1
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通讯作者:
Zhang, Su-Chun
影响因子:
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作者:
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通讯作者:
Verma IM