Cited by 119Cytokine Signaling Pathways and InteractionsBlood disorders and treatmentsPlatelet Disorders and Treatments

SOCS3 Is a Physiological Negative Regulator for Granulopoiesis and Granulocyte Colony-stimulating Factor Receptor Signaling

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Kimura, Akiko, Kinjyo, Ichiko, Matsumura, Yumiko, Mori, Hiroyuki, Mashima, Ryuichi, Harada, Mine, Chien, Kenneth R., Yasukawa, Hideo +1 more·2004·Journal of Biological Chemistry

Abstract

The suppressor of cytokine signaling-3 (SOCS3/CIS3) has been shown to be an important negative regulator of cytokines, especially cytokines that activate STAT3. To examine the role of SOCS3 in neutrophils and the granulocyte colony-stimulating factor (G-CSF) signaling in vivo, we compared neutrophils from two types of conditional knockout mice, LysM-Cre:SOCS3(fl/fl) mice and Tie2-Cre:SOCS3(fl/fl) mice, in which the Socs3 gene had been deleted in mature neutrophils and hematopoietic stem cells, respectively. The size of the G-CSF-dependent colonies from Tie2-Cre:SOCS3(fl/fl) mouse bone marrow was much larger than that of colonies from control wild-type mice, while the size of interleukin-3-dependent colonies was similar. Moreover, LysM-Cre:SOCS3(fl/fl) mice had more neutrophils than SOCS3(fl/fl) mice, suggesting that SOCS3 is a negative regulator of G-CSF signaling in neutrophils. Consistent with this notion, G-CSF-induced STAT3 as well as mitogen-activated protein kinase activation was much stronger and prolonged in SOCS3-deficient mature neutrophils than in wild-type neutrophils. The preventive effect of G-CSF on apoptosis was more prominent in SOCS3-deficient mature neutrophils than in control neutrophils. These data indicate that SOCS3 negatively regulates granulopoiesis and G-CSF signaling in neutrophils and may contribute to neutrophilia or neutropenia.

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  1. Roberts, A. W., Robb, L., Rakar, S., Hartley, L., Cluse, L., Nicola, N. A., Metcalf, D., Hilton, D. J., and Alexander, W. S. (2001) Proc. Natl. Acad. Sci.

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Authors
Kimura, A., Kinjyo, I., Matsumura, Y., Mori, H., Mashima, R., Harada, M., Chien, K. R., Yasukawa, H., & Yoshimura, A.
Affiliations
  • Kyushu University (JP)
  • University of California San Diego (US)
  • Kurume University (JP)
Corresponding author
Yoshimura, Akihiko
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2004-02
Volume
279
Issue
8
Pages
6905-6910
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1978816877
Cited by
119
References
38
Citations by year
2026: 3 · 2025: 1 · 2024: 2 · 2023: 6 · 2022: 2 · 2021: 4 · 2020: 3 · 2019: 4 · 2018: 3 · 2017: 2 · 2016: 1 · 2015: 1 · 2014: 5 · 2013: 4 · 2012: 13
FWCI
5.12
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Uehara Memorial Foundation
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Blood disorders and treatments
  • Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
Keywords
SOCS3, granulopoiesis, granulocyte colony-stimulating factor, G-CSF signaling, neutrophils, STAT3, negative regulation of cytokine signaling, neutrophilia, neutropenia, apoptosis, hematopoietic stem cells, conditional knockout mice
MeSH terms
Suppressor of Cytokine Signaling 3 Protein, Animals, Chemotaxis, DNA-Binding Proteins, Enzyme Activation, Exons, Flow Cytometry, Granulocytes, Interleukin-3, Models, Genetic, Neutrophils, Repressor Proteins, Time Factors, Transcription Factors, Blotting, Western, Signal Transduction, Trans-Activators, Receptors, Granulocyte Colony-Stimulating Factor, Apoptosis, Gene Deletion, Mice, Knockout, Reverse Transcriptase Polymerase Chain Reaction, Mitogen-Activated Protein Kinases, MAP Kinase Signaling System, STAT3 Transcription Factor, Suppressor of Cytokine Signaling Proteins, Mice

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