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Human Pluripotent Stem Cell Differentiation into Functional Epicardial Progenitor Cells.

ABSTRACT: Human pluripotent stem cells (hPSCs) are widely used to study cardiovascular cell differentiation and function. Here, we induced differentiation of hPSCs (both embryonic and induced) to proepicardial/epicardial progenitor cells that cover the heart during development. Addition of retinoic acid (RA) and bone morphogenetic protein 4 (BMP4) promoted expression of the mesodermal marker PDGFR?, upregulated characteristic (pro)epicardial progenitor cell genes, and downregulated transcription of myocardial genes. We confirmed the (pro)epicardial-like properties of these cells using in vitro co-culture assays and in ovo grafting of hPSC-epicardial cells into chick embryos. Our data show that RA + BMP4-treated hPSCs differentiate into (pro)epicardial-like cells displaying functional properties (adhesion and spreading over the myocardium) of their in vivo counterpart. The results extend evidence that hPSCs are an excellent model to study (pro)epicardial differentiation into cardiovascular cells in human development and evaluate their potential for cardiac regeneration.

SUBMITTER: Guadix JA 

PROVIDER: S-EPMC5785703 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Human Pluripotent Stem Cell Differentiation into Functional Epicardial Progenitor Cells.

Guadix Juan Antonio JA   Orlova Valeria V VV   Giacomelli Elisa E   Bellin Milena M   Ribeiro Marcelo C MC   Mummery Christine L CL   Pérez-Pomares José M JM   Passier Robert R  

Stem cell reports 20171122 6

Human pluripotent stem cells (hPSCs) are widely used to study cardiovascular cell differentiation and function. Here, we induced differentiation of hPSCs (both embryonic and induced) to proepicardial/epicardial progenitor cells that cover the heart during development. Addition of retinoic acid (RA) and bone morphogenetic protein 4 (BMP4) promoted expression of the mesodermal marker PDGFRα, upregulated characteristic (pro)epicardial progenitor cell genes, and downregulated transcription of myocar  ...[more]

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