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OSKM Induce Extraembryonic Endoderm Stem Cells in Parallel to Induced Pluripotent Stem Cells.


ABSTRACT: The reprogramming factors OCT4, SOX2, KLF4, and MYC (OSKM) can reactivate the pluripotency network in terminally differentiated cells, but also regulate expression of non-pluripotency genes in other contexts, such as the mouse primitive endoderm. The primitive endoderm is an extraembryonic lineage established in parallel to the pluripotent epiblast in the blastocyst, and is the progenitor pool for extraembryonic endoderm stem (XEN) cells. We show that OSKM induce expression of endodermal genes, leading to formation of induced XEN (iXEN) cells, which possess key properties of blastocyst-derived XEN cells, including morphology, transcription profile, self-renewal, and multipotency. Our data show that iXEN cells arise in parallel to induced pluripotent stem cells, indicating that OSKM drive cells to two distinct cell fates during reprogramming.

SUBMITTER: Parenti A 

PROVIDER: S-EPMC4834035 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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OSKM Induce Extraembryonic Endoderm Stem Cells in Parallel to Induced Pluripotent Stem Cells.

Parenti Anthony A   Halbisen Michael A MA   Wang Kai K   Latham Keith K   Ralston Amy A  

Stem cell reports 20160303 4


The reprogramming factors OCT4, SOX2, KLF4, and MYC (OSKM) can reactivate the pluripotency network in terminally differentiated cells, but also regulate expression of non-pluripotency genes in other contexts, such as the mouse primitive endoderm. The primitive endoderm is an extraembryonic lineage established in parallel to the pluripotent epiblast in the blastocyst, and is the progenitor pool for extraembryonic endoderm stem (XEN) cells. We show that OSKM induce expression of endodermal genes,  ...[more]

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