Evidence map›Paper›PMID 15784729›Full record

ArticleBlood2005

A critical function for B-Raf at multiple stages of myelopoiesis.

Tamihiro Kamata, Jing Kang, Tzong-Hae Lee, Leszek Wojnowski, Catrin A Pritchard, Andrew D Leavitt

Erratum issuedOpen access · bronzeAbstract read
In one paragraph

Article in Blood, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.2field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 30 citations in OpenAlex.

  1. International journal of molecular sciences · 2024
    Article
  2. Article
  3. Frontiers in cell and developmental biology · 2021
    Article
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  5. Review
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4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

6 authors at 1 institution in 2 countries.

Tamihiro KamataDepartment of Laboratory Medicine, University of California, San Francisco, 513 Parnassus Ave, Room S-577, San Francisco, CA 94143-0100, USA.
Jing Kang
Tzong-Hae Lee
Leszek Wojnowski
Catrin A Pritchard
Andrew D Leavitt
University of California, San Francisco · US

Funding

TYROSINE KINASES AND B LYMPHOCYTE TOLERANCEP50HL054476 · NHLBI · UNIVERSITY OF CALIFORNIA SAN FRANCISCO · PI BUSCH, MICHAEL PAUL · 1996 to 2005
$9.8M
NHLBI NIH HHS HL54476
6 · The paper itself

Abstract

Raf kinases play an integral role in the classic mitogen-activated protein (MAP) kinase (Raf/MEK/extracellular signal-related kinase [ERK]) intracellular signaling cascade, but their role in specific developmental processes is largely unknown. Using a genetic approach, we have identified a role for B-Raf during hematopoietic progenitor cell development and during megakaryocytopoiesis. Fetal liver and in vitro embryonic stem (ES) cell-derived myeloid progenitor development is quantitatively impaired in the absence of B-Raf. Biochemical data suggest that this phenotype is due to the loss of a normally occurring rise in B-Raf expression and associated ERK1/2 activation during hematopoietic progenitor cell formation. However, the presence of B-raf-/- ES cell-derived myeloid progenitors in the bone marrow of adult chimeric mice indicates the lack of an obligate cell-autonomous requirement for B-Raf in myeloid progenitor development. The lack of B-Raf also impairs megakaryocytopoiesis. Thrombopoietin (Tpo)-induced in vitro expansion of ES cell-derived megakaryocyte-lineage cells fails to occur in the absence of B-Raf. Moreover, this quantitative in vitro defect in megakaryocyte-lineage expansion is mirrored by chimeric mice data that show reduced B-raf-/- genotype contribution in megakaryocytes relative to its contribution in myeloid progenitors. Together, these data suggest that B-Raf plays a cell-autonomous role in megakaryocytopoiesis and a permissive role in myeloid progenitor development.

Indexed as

MyelopoiesisAnimalsCell LineageEmbryo, MammalianGene Expression Regulation, DevelopmentalMAP Kinase Signaling SystemMiceMice, KnockoutProto-Oncogene Proteins B-rafStem CellsThrombopoiesisBraf protein, mouseProto-Oncogene Proteins B-raf

Identifiers

PMID15784729
PMCPMC1895151
OpenAlexW1963760725

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.