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Resetting Transcription Factor Control Circuitry Toward Ground-State Pluripotency in Human

Resetting Transcription Factor Control Circuitry Toward Ground-State Pluripotency in Human

Yasuhiro Takashima, Ge Guo, Remco Loos, Jennifer Nichols, Gabriella Ficz, Felix Krueger, David Oxley, Fatima Santos, James Clarke, William Mansfield, Wolf Reik, Paul Bertone, Austin Smith

Cell. 2014 Sep 11;158(6):1254-1269.

PMID: 25215486

Abstract:

Current human pluripotent stem cells lack the transcription factor circuitry that governs the ground state of mouse embryonic stem cells (ESC). Here, we report that short-term expression of two components, NANOG and KLF2, is sufficient to ignite other elements of the network and reset the human pluripotent state. Inhibition of ERK and protein kinase C sustains a transgene-independent rewired state. Reset cells self-renew continuously without ERK signaling, are phenotypically stable, and are karyotypically intact. They differentiate in vitro and form teratomas in vivo. Metabolism is reprogrammed with activation of mitochondrial respiration as in ESC. DNA methylation is dramatically reduced and transcriptome state is globally realigned across multiple cell lines. Depletion of ground-state transcription factors, TFCP2L1 or KLF4, has marginal impact on conventional human pluripotent stem cells but collapses the reset state. These findings demonstrate feasibility of installing and propagating functional control circuitry for ground-state pluripotency in human cells.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42415006	NANOG human			Price

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