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GATA3 is redundant for maintenance and self-renewal of hematopoietic stem cells.
MedLine Citation:
PMID:  21670475     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
GATA3 has been identified as a master regulator of T helper cells, as well as being important for early thymic progenitors and T cell commitment. However, Gata3 expression initiates already at the hematopoietic stem cell (HSC) level, implicating a potential role also in regulation of HSCs. Herein we used a conditional Gata3 knockout strategy in which Gata3 expression was completely deleted from the earliest stage of embryonic hematopoietic development after emergence of HSCs from hemogenic endothelium. Through a detailed analysis of HSCs at the phenotypic and functional level, we demonstrate that steady state levels of HSCs are normal in Gata3(fl/fl)Vav-Cre(tg/+) mice. Moreover, through long-term primary and secondary transplantation experiments, we also unequivocally demonstrate that Gata3 has a redundant role in post-transplantation HSC self-renewal.
Authors:
Natalija Buza-Vidas; Sara Duarte; Sidinh Luc; Tiphaine Bouriez-Jones; Petter S Woll; Sten Eirik Waelgaard Jacobsen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-13
Journal Detail:
Title:  Blood     Volume:  -     ISSN:  1528-0020     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7603509     Medline TA:  Blood     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Hematopoietic Stem Cell Laboratory, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom;
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