Cited by 133T-cell and B-cell ImmunologySignaling Pathways in DiseasePsoriasis: Treatment and Pathogenesis

Phospholipase Cγ1 is essential for T cell development, activation, and tolerance

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Fu, Guoping, Chen, Yuhong, Yu, Mei, Podd, Andy, Schuman, James, He, Yinghong, Di, Lie, Yassai, Maryam +6 more·2010·Journal of Experimental Medicine

Abstract

Phospholipase Cγ1 (PLCγ1) is an important signaling effector of T cell receptor (TCR). To investigate the role of PLCγ1 in T cell biology, we generated and examined mice with T cell–specific deletion of PLCγ1. We demonstrate that PLCγ1 deficiency affects positive and negative selection, significantly reduces single-positive thymocytes and peripheral T cells, and impairs TCR-induced proliferation and cytokine production, and the activation of ERK, JNK, AP-1, NFAT, and NF-κB. Importantly, PLCγ1 deficiency impairs the development and function of FoxP3+ regulatory T cells, causing inflammatory/autoimmune symptoms. Therefore, PLCγ1 is essential for T cell development, activation, and tolerance.

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Crossref · 10.1084/jem.20090880

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  • In the absence of PLCγ2, T cell development and TCR-mediated proliferation are normal, with development instead depending on PLCγ1.

    “Inducible KO mice showed T cell development and T cell receptor (TCR)-mediated proliferation were normal in the absence of PLCγ2 (24, 26), with development instead depending on the closely related family member PLCγ1 (60).”

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Authors
Fu, G., Chen, Y., Yu, M., Podd, A., Schuman, J., He, Y., Di, L., Yassai, M., Haribhai, D., North, P. E., Gorski, J., Williams, C. B., Wang, D., & Wen, R.
Affiliations
  • Versiti Blood Center of Wisconsin (US)
  • The Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI 53226 1
  • State Key Laboratory of Pharmaceutical Biotechnology (CN)
  • Medical College of Wisconsin (US)
  • Children's Hospital of Wisconsin (US)
Corresponding author
Wen, Renren
Venue
Journal of Experimental Medicine
Published
2010-02-01
Volume
207
Issue
2
Pages
309-318
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2071131149
Cited by
133
References
29
Citations by year
2026: 4 · 2025: 5 · 2024: 7 · 2023: 15 · 2022: 7 · 2021: 8 · 2020: 5 · 2019: 6 · 2018: 4 · 2017: 7 · 2016: 11 · 2015: 6 · 2014: 9 · 2013: 12 · 2012: 10
FWCI
5.36
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ai085090-10)
  • National Heart, Lung, and Blood Institute (R01HL073284)
  • National Institute of Allergy and Infectious Diseases (R01-AI-085090, U19AI062627, R01AI079087, R01AI052327)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
phospholipase C-gamma1, T cell development, T cell activation, T cell tolerance, T cell receptor signaling, thymic selection, Foxp3+ regulatory T cells, autoimmunity, ERK, JNK, NFAT, NF-κB, AP-1, T cell-specific knockout mice
MeSH terms
Animals, Autoimmune Diseases, Cell Differentiation, Inflammation, Lymphocyte Activation, Mice, Transgenic, Receptors, Antigen, T-Cell, T-Lymphocytes, Autoimmunity, T-Lymphocyte Subsets, NF-kappa B, Transcription Factor AP-1, MAP Kinase Kinase 4, NFATC Transcription Factors, Mice, Forkhead Transcription Factors, Phospholipase C gamma

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