Cited by 134TGF-β signaling in diseasesProtein Kinase Regulation and GTPase SignalingChemokine receptors and signaling

Transforming growth factor-β1 regulates macrophage migration via RhoA

Kim, Jun-Sub, Kim, Jae-Gyu, Moon, Mi-Young, Jeon, Chan-Young, Won, Ha-Young, Kim, Hee-Jun, Jeon, Yee-Jin, Seo, Ji-Yeon +5 more·2006·Blood

Abstract

Brief treatment with transforming growth factor (TGF)–β1 stimulated the migration of macrophages, whereas long-term exposure decreased their migration. Cell migration stimulated by TGF-β1 was markedly inhibited by 10 μg/mL Tat-C3 exoenzyme. TGF-β1 increased mRNA and protein levels of macrophage inflammatory protein (MIP)–1α in the initial period, and these effects also were inhibited by 10 μg/mL Tat-C3 and a dominant-negative (DN)–RhoA (N19RhoA). Cycloheximide, actinomycin D, and antibodies against MIP-1α and monocyte chemoattractant protein-1 (MCP-1) abolished the stimulation of cell migration by TGF-β1. These findings suggest that migration of these cells is regulated directly and indirectly via the expression of chemokines such as MIP-1α and MCP-1 mediated by RhoA in response to TGF-β1. TGF-β1 activated RhoA in the initial period, and thereafter inactivated them, suggesting that the inactivation of RhoA may be the cause of the reduced cell migration in response to TGF-β1 at later times. We therefore attempted to elucidate the molecular mechanism of the inactivation of RhoA by TGF-β1. First, TGF-β1 phosphorylated RhoA via protein kinase A, leading to inactivation of RhoA. Second, wild-type p190 Rho GTPase activating protein (p190RhoGAP) reduced and DN-p190RhoGAP reversed the reduction of cell migration induced by TGF-β, suggesting that it inactivated RhoA via p190 Rho GAP.

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Crossref · 10.1182/blood-2005-10-009191

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  • High TGF-β1 expression inhibits migration of osteoclast precursors by suppressing RANKL expression and stimulating OPG production in osteoblasts.

    “High TGF-β1 expression inhibits the migration of osteoclast precursors208 by suppressing RANKL expression and by stimulating OPG production in osteoblasts.209”

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Authors
Kim, J.-S., Kim, J.-G., Moon, M.-Y., Jeon, C.-Y., Won, H.-Y., Kim, H.-J., Jeon, Y.-J., Seo, J.-Y., Kim, J.-I., Kim, J., Lee, J.-Y., Kim, P.-H., & Park, J.-B.
Affiliations
Hallym University (KR)
Venue
Blood
Published
2006-09-15
Volume
108
Issue
6
Pages
1821-1829
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W2093833484
Cited by
134
References
60
Citations by year
2025: 5 · 2024: 4 · 2023: 13 · 2022: 11 · 2021: 5 · 2020: 8 · 2019: 12 · 2018: 9 · 2017: 9 · 2016: 6 · 2015: 5 · 2014: 6 · 2013: 8 · 2012: 5
FWCI
2.58
Type
journal article
Language
en
Open access
closed
Locations
  • Blood (publishedVersion)
  • PubMed (publishedVersion)
  • Seoul National University Open Repository (Seoul National University) (submittedVersion)
Funders
  • University of Ulsan
  • Hallym University
  • University of California, San Francisco
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
Keywords
TGF-β1, macrophage migration, RhoA, chemokines, MIP-1α, MCP-1, protein kinase A, chemotaxis
MeSH terms
Animals, Base Sequence, Carrier Proteins, Cell Line, Cell Movement, Chemotaxis, DNA-Binding Proteins, Humans, Macrophage Activation, Macrophages, Models, Biological, Repressor Proteins, RNA, Messenger, Gene Expression, Transforming Growth Factor beta, Cyclic AMP-Dependent Protein Kinases, HL-60 Cells, Macrophage Inflammatory Proteins, Guanine Nucleotide Exchange Factors, GTPase-Activating Proteins, rho GTP-Binding Proteins, rhoA GTP-Binding Protein, Mice, Transforming Growth Factor beta1, Chemokine CCL3, Chemokine CCL4

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