PU.1 regulates the commitment of adult hematopoietic progenitors and restricts granulopoiesis.
PU.1 regulates the commitment of adult hematopoietic progenitors and restricts granulopoiesis.
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DOI:
10.1084/jem.20050075
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发表时间:
2005-05-02
期刊:
影响因子:
--
通讯作者:
Nutt SL
中科院分区:
文献类型:
--
作者:
Dakic A;Metcalf D;Di Rago L;Mifsud S;Wu L;Nutt SL
Although the transcription factor PU.1 is essential for fetal lymphomyelopoiesis, we unexpectedly found that elimination of the gene in adult mice allowed disturbed hematopoiesis, dominated by granulocyte production. Impaired production of lymphocytes was evident in PU.1-deficient bone marrow (BM), but myelocytes and clonogenic granulocytic progenitors that are responsive to granulocyte colony-stimulating factor or interleukin-3 increased dramatically. No identifiable common lymphoid or myeloid progenitor populations were discernable by flow cytometry; however, clonogenic assays suggested an overall increased frequency of blast colony-forming cells and BM chimeras revealed existence of long-term self-renewing PU.1-deficient cells that required PU.1 for lymphoid, but not granulocyte, generation. PU.1 deletion in granulocyte-macrophage progenitors, but not in common myeloid progenitors, resulted in excess granulocyte production; this suggested specific roles of PU.1 at different stages of myeloid development. These findings emphasize the distinct nature of adult hematopoiesis and reveal that PU.1 regulates the specification of the multipotent lymphoid and myeloid compartments and restrains, rather than promotes, granulopoiesis.
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DOI:
10.1084/jem.20030107
发表时间:
2003-07-21
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
D'Amico A;Wu L
通讯作者:
Wu L
DOI:
10.1084/jem.187.1.79
发表时间:
1998-01-05
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
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通讯作者:
Cooper MD
影响因子:
20.3
作者:
Anderson, KL;Smith, KA;Torbett, BE
通讯作者:
Torbett, BE
影响因子:
82.9
作者:
Ichikawa, M;Asai, T;Kurokawa, M
通讯作者:
Kurokawa, M
影响因子:
20.3
作者:
Anderson, KL;Smith, KA;Maki, RA
通讯作者:
Maki, RA