Viruses have evolved to strategically exploit cellular signaling pathways to evade host immune defenses. GM-CSF signaling plays a pivotal role in regulating inflammation, activating myeloid cells, and enhancing the immune response to infections. Due to its central role in the immune system, viruses may target this pathway to further establish infection. This review focuses on key studies elucidating virus interactions with GM-CSF signaling proteins and summarizes findings on the impact of viral infections on GM-CSF production. Additionally, therapeutic strategies centered around GM-CSF are investigated, such as the potential benefits of administering GM-CSF versus inhibiting GM-CSF signaling to mitigate viral-induced aberrant inflammation. Understanding these virus-host interactions provides valuable insights that help further our understanding to develop future therapeutic approaches in modulating the immune response during viral infections.
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http://dx.doi.org/10.1016/j.cytogfr.2024.12.002 | DOI Listing |
Cytokine Growth Factor Rev
December 2024
Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada. Electronic address:
Viruses have evolved to strategically exploit cellular signaling pathways to evade host immune defenses. GM-CSF signaling plays a pivotal role in regulating inflammation, activating myeloid cells, and enhancing the immune response to infections. Due to its central role in the immune system, viruses may target this pathway to further establish infection.
View Article and Find Full Text PDFImmunol Rev
January 2025
Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia.
Cytokines are small proteins that are critical for controlling the growth and activity of hematopoietic cells by binding to cell surface receptors and transmitting signals across membranes. The β common (βc) cytokine receptor family, consisting of the granulocyte-macrophage colony-stimulating factor (GM-CSF), interleukin (IL)-3, and IL-5 cytokine receptors, is an architype of the heterodimeric cytokine receptor systems. We now know that signaling by cytokine receptors is not always an "all or none" phenomenon.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Suite 523, Bridgeside Point II, 450 Technology Drive, Pittsburgh, PA, 15219, USA.
Overexpression of the myeloid Src-family kinases Fgr and Hck has been linked to the development of acute myeloid leukemia (AML). Here we characterized the contribution of active forms of these kinases to AML cell cytokine dependence, inhibitor sensitivity, and AML cell engraftment in vivo. The human TF-1 erythroleukemia cell line was used as a model system as it does not express endogenous Hck or Fgr.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Neuroscience, Del Monte Institute for Neuroscience, University of Rochester, Rochester, NY, USA.
Biomaterials
December 2024
School of Life Sciences, Faculty of Medicine, Tianjin Engineering Center of Micro-Nano Biomaterials and Detection-Treatment Technology, Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, Tianjin University, Tianjin, 300072, China.
In the immunosuppressive tumor microenvironment (TME), tumor-associated macrophages (TAMs) predominantly exhibit an immunosuppressive M2 phenotype, which facilitates tumor proliferation and metastasis. Although current strategies aimed at reprogramming TAMs hold promise, their sustainability and effectiveness are limited due to repeated injections. Herein, a bacterial therapy platform containing two engineered strains was developed.
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