ArticleCell communication and signaling : CCS2023
NFAT1 and NFκB regulates expression of the common γ-chain cytokine receptor in activated T cells.
Article in Cell communication and signaling : CCS, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Porphyromonas gingivalis extracellular vesicles promotes tumor metastasis in esophageal squamous cell carcinoma by inducing PRKACB/JNK/ NFATC2 axis.Journal of nanobiotechnology · 2025Article
- New insights into the stromal interaction molecule 2 function and its impact on the immunomodulation of tumor microenvironment.Cell & bioscience · 2024Review
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12 authors at 7 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
introductionCytokines of the common γ chain (γc) family are critical for the development, differentiation, and survival of T lineage cells. Cytokines play key roles in immunodeficiencies, autoimmune diseases, allergies, and cancer. Although γc is considered an assistant receptor to transmit cytokine signals and is an indispensable receptor in the immune system, its regulatory mechanism is not yet well understood.
objectiveThis study focused on the molecular mechanisms that γc expression in T cells is regulated under T cell receptor (TCR) stimulation.
methodsThe γc expression in TCR-stimulated T cells was determined by flow cytometry, western blot and quantitative RT-PCR. The regulatory mechanism of γc expression in activated T cells was examined by promoter-luciferase assay and chromatin immunoprecipitation assays. NFAT1 and NFκB deficient cells generated using CRISPR-Cas9 and specific inhibitors were used to examine their role in regulation of γc expression. Specific binding motif was confirmed by γc promotor mutant cells generated using CRISPR-Cas9. IL-7TgγcTg mice were used to examine regulatory role of γc in cytokine signaling.
resultsWe found that activated T cells significantly upregulated γc expression, wherein NFAT1 and NFκB were key in transcriptional upregulation via T cell receptor stimulation. Also, we identified the functional binding site of the γc promoter and the synergistic effect of NFAT1 and NFκB in the regulation of γc expression. Increased γc expression inhibited IL-7 signaling and rescued lymphoproliferative disorder in an IL-7Tg animal model, providing novel insights into T cell homeostasis.
conclusionOur results indicate functional cooperation between NFAT1 and NFκB in upregulating γc expression in activated T cells. As γc expression also regulates γc cytokine responsiveness, our study suggests that γc expression should be considered as one of the regulators in γc cytokine signaling and the development of T cell immunotherapies. Video Abstract.
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