Source:http://linkedlifedata.com/resource/pubmed/id/15933053
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
2005-9-5
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pubmed:abstractText |
An abundance of research has entrenched the view that the Ets domain containing transcription factor PU.1 is fundamental to the development and function of B lymphocytes. In this study, we have made use of a conditional PU.1 allele to test this notion. Complete deletion of PU.1 resulted in the loss of B cells and all other lineage-positive cells in the fetal liver and death between E18.5 and birth; however, specific deletion of PU.1 in the B lineage had no effect on B-cell development. Furthermore, deletion of PU.1 in B cells did not compromise their ability to establish and maintain an immune response. An increased level of apoptosis was observed in vitro upon B-cell receptor (BCR) cross-linking; however, this was partially rescued by interleukin-4 (IL-4). These findings suggest that PU.1 is not essential for the development of functional B lymphocytes beyond the pre-B stage.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Immunoglobulins,
http://linkedlifedata.com/resource/pubmed/chemical/Proto-Oncogene Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Antigen, B-Cell,
http://linkedlifedata.com/resource/pubmed/chemical/Trans-Activators,
http://linkedlifedata.com/resource/pubmed/chemical/proto-oncogene protein Spi-1
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pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0006-4971
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
106
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2083-90
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:15933053-Animals,
pubmed-meshheading:15933053-Apoptosis,
pubmed-meshheading:15933053-B-Lymphocytes,
pubmed-meshheading:15933053-Cell Differentiation,
pubmed-meshheading:15933053-Cell Lineage,
pubmed-meshheading:15933053-Embryo, Mammalian,
pubmed-meshheading:15933053-Immunoglobulins,
pubmed-meshheading:15933053-Liver,
pubmed-meshheading:15933053-Mice,
pubmed-meshheading:15933053-Mice, Knockout,
pubmed-meshheading:15933053-Proto-Oncogene Proteins,
pubmed-meshheading:15933053-Receptors, Antigen, B-Cell,
pubmed-meshheading:15933053-Trans-Activators
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pubmed:year |
2005
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pubmed:articleTitle |
The development of functional B lymphocytes in conditional PU.1 knock-out mice.
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pubmed:affiliation |
The Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Victoria, Australia 3050.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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