Building Pluripotency Identity in the Early Embryo and Derived Stem Cells

The fusion of two highly differentiated cells, an oocyte with a spermatozoon, gives rise to the zygote, a single totipotent cell, which has the capability to develop into a complete, fully functional organism. Then, as development proceeds, a series of programmed cell divisions occur whereby the ari...

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Main Authors: Paola Rebuzzini, Maurizio Zuccotti, Silvia Garagna
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/10/8/2049
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author Paola Rebuzzini
Maurizio Zuccotti
Silvia Garagna
author_facet Paola Rebuzzini
Maurizio Zuccotti
Silvia Garagna
author_sort Paola Rebuzzini
collection DOAJ
description The fusion of two highly differentiated cells, an oocyte with a spermatozoon, gives rise to the zygote, a single totipotent cell, which has the capability to develop into a complete, fully functional organism. Then, as development proceeds, a series of programmed cell divisions occur whereby the arising cells progressively acquire their own cellular and molecular identity, and totipotency narrows until when pluripotency is achieved. The path towards pluripotency involves transcriptome modulation, remodeling of the chromatin epigenetic landscape to which external modulators contribute. Both human and mouse embryos are a source of different types of pluripotent stem cells whose characteristics can be captured and maintained in vitro. The main aim of this review is to address the cellular properties and the molecular signature of the emerging cells during mouse and human early development, highlighting similarities and differences between the two species and between the embryos and their cognate stem cells.
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spelling doaj.art-b25cc1c182494430a664bd8ed2ed59a52023-11-22T07:11:00ZengMDPI AGCells2073-44092021-08-01108204910.3390/cells10082049Building Pluripotency Identity in the Early Embryo and Derived Stem CellsPaola Rebuzzini0Maurizio Zuccotti1Silvia Garagna2Laboratory of Developmental Biology, Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Ferrata 9, 27100 Pavia, ItalyLaboratory of Developmental Biology, Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Ferrata 9, 27100 Pavia, ItalyLaboratory of Developmental Biology, Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, Via Ferrata 9, 27100 Pavia, ItalyThe fusion of two highly differentiated cells, an oocyte with a spermatozoon, gives rise to the zygote, a single totipotent cell, which has the capability to develop into a complete, fully functional organism. Then, as development proceeds, a series of programmed cell divisions occur whereby the arising cells progressively acquire their own cellular and molecular identity, and totipotency narrows until when pluripotency is achieved. The path towards pluripotency involves transcriptome modulation, remodeling of the chromatin epigenetic landscape to which external modulators contribute. Both human and mouse embryos are a source of different types of pluripotent stem cells whose characteristics can be captured and maintained in vitro. The main aim of this review is to address the cellular properties and the molecular signature of the emerging cells during mouse and human early development, highlighting similarities and differences between the two species and between the embryos and their cognate stem cells.https://www.mdpi.com/2073-4409/10/8/2049peri-implantation embryoEGAlineage specificationpluripotent stem cellspluripotency transcriptional networksepigenetic
spellingShingle Paola Rebuzzini
Maurizio Zuccotti
Silvia Garagna
Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
Cells
peri-implantation embryo
EGA
lineage specification
pluripotent stem cells
pluripotency transcriptional networks
epigenetic
title Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
title_full Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
title_fullStr Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
title_full_unstemmed Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
title_short Building Pluripotency Identity in the Early Embryo and Derived Stem Cells
title_sort building pluripotency identity in the early embryo and derived stem cells
topic peri-implantation embryo
EGA
lineage specification
pluripotent stem cells
pluripotency transcriptional networks
epigenetic
url https://www.mdpi.com/2073-4409/10/8/2049
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