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Stem Cell ReportsDevelopmental BiologyPeer-reviewed journal article

MIXL1 Activation in Endoderm Differentiation ofHuman Induced Pluripotent Stem Cells

Pierre OsteiliD, Sarah WitheyiD, Nicole Santucci, Nader AryamaneshiD, Ignatius Pang, Nazmus SalehiniD, Jane Q. J. Sun, Annie Qin, Jiayi SuiD, Hilary KnowlesiD, Xiucheng Bella Li, Simon Cai, Ernst Jurgen WolvetangiD, Patrick TamiD

PDFDOIPreprint

Abstract

Human induced pluripotent stem cells (hiPSC) possess the ability to differentiate into a multitude of cell and tissue types but display heterogeneous propensity of differentiation into specific lineage. Characterization of the transcriptome of eleven hiPSC lines showed that activation of MIXL1 at the early stage of stem cell differentiation correlated with higher efficacy in generating definitive endoderm and advancing differentiation and maturation of endoderm derivatives. Enforced expression of MIXL1 in the endoderm-inefficient hiPSCs enhanced the propensity of endoderm differentiation, suggesting that modulation of key drivers of lineage differentiation can re-wire hiPSC to the desired lineage propensity to generate the requisite stem cell products.

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