Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.

A hypomorphic Prep1 mutation results in embryonic lethality at late gestation with a pleiotropic embryonic phenotype that includes defects in all hematopoietic lineages. Reduced functionality of the hematopoietic stem cells (HSCs) compartment might be responsible for the hematopoietic phenotype obse...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Livia Modica, Giorgio Iotti, Annalisa D'Avola, Francesco Blasi
Formato: article
Lenguaje:EN
Publicado: Public Library of Science (PLoS) 2014
Materias:
R
Q
Acceso en línea:https://doaj.org/article/4da127b24861473b9c5b09af932efbfa
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:4da127b24861473b9c5b09af932efbfa
record_format dspace
spelling oai:doaj.org-article:4da127b24861473b9c5b09af932efbfa2021-11-25T06:00:07ZPrep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.1932-620310.1371/journal.pone.0107916https://doaj.org/article/4da127b24861473b9c5b09af932efbfa2014-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0107916https://doaj.org/toc/1932-6203A hypomorphic Prep1 mutation results in embryonic lethality at late gestation with a pleiotropic embryonic phenotype that includes defects in all hematopoietic lineages. Reduced functionality of the hematopoietic stem cells (HSCs) compartment might be responsible for the hematopoietic phenotype observed at mid-gestation. In this paper we demonstrate that Prep1 regulates the number of HSCs in fetal livers (FLs), their clonogenic potential and their ability to de novo generate the hematopoietic system in ablated hosts. Furthermore, we show that Prep1 controls the self-renewal ability of the FL HSC compartment as demonstrated by serial transplantation experiments. The premature exhaustion of Prep1 mutant HSCs correlates with the reduced quiescent stem cell pool thus suggesting that Prep1 regulates the self-renewal ability by controlling the quiescence/proliferation balance. Finally, we show that in FL HSCs Prep1 absence induces the interferon signaling pathway leading to premature cycling and exhaustion of fetal HSCs.Livia ModicaGiorgio IottiAnnalisa D'AvolaFrancesco BlasiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 9, p e107916 (2014)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Livia Modica
Giorgio Iotti
Annalisa D'Avola
Francesco Blasi
Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
description A hypomorphic Prep1 mutation results in embryonic lethality at late gestation with a pleiotropic embryonic phenotype that includes defects in all hematopoietic lineages. Reduced functionality of the hematopoietic stem cells (HSCs) compartment might be responsible for the hematopoietic phenotype observed at mid-gestation. In this paper we demonstrate that Prep1 regulates the number of HSCs in fetal livers (FLs), their clonogenic potential and their ability to de novo generate the hematopoietic system in ablated hosts. Furthermore, we show that Prep1 controls the self-renewal ability of the FL HSC compartment as demonstrated by serial transplantation experiments. The premature exhaustion of Prep1 mutant HSCs correlates with the reduced quiescent stem cell pool thus suggesting that Prep1 regulates the self-renewal ability by controlling the quiescence/proliferation balance. Finally, we show that in FL HSCs Prep1 absence induces the interferon signaling pathway leading to premature cycling and exhaustion of fetal HSCs.
format article
author Livia Modica
Giorgio Iotti
Annalisa D'Avola
Francesco Blasi
author_facet Livia Modica
Giorgio Iotti
Annalisa D'Avola
Francesco Blasi
author_sort Livia Modica
title Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
title_short Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
title_full Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
title_fullStr Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
title_full_unstemmed Prep1 (pKnox1) regulates mouse embryonic HSC cycling and self-renewal affecting the Stat1-Sca1 IFN-dependent pathway.
title_sort prep1 (pknox1) regulates mouse embryonic hsc cycling and self-renewal affecting the stat1-sca1 ifn-dependent pathway.
publisher Public Library of Science (PLoS)
publishDate 2014
url https://doaj.org/article/4da127b24861473b9c5b09af932efbfa
work_keys_str_mv AT liviamodica prep1pknox1regulatesmouseembryonichsccyclingandselfrenewalaffectingthestat1sca1ifndependentpathway
AT giorgioiotti prep1pknox1regulatesmouseembryonichsccyclingandselfrenewalaffectingthestat1sca1ifndependentpathway
AT annalisadavola prep1pknox1regulatesmouseembryonichsccyclingandselfrenewalaffectingthestat1sca1ifndependentpathway
AT francescoblasi prep1pknox1regulatesmouseembryonichsccyclingandselfrenewalaffectingthestat1sca1ifndependentpathway
_version_ 1718414279595524096