ArticleJournal of immunology (Baltimore, Md. : 1950)2011
Granzyme B regulates antiviral CD8+ T cell responses.
Article in Journal of immunology (Baltimore, Md. : 1950), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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Who cites it
54 citing papers in PubMed, 85 citations in OpenAlex.
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- Molecular Plasticity of T Cells Informs Their Possible Adaptation in 4T1 Tumors.bioRxiv : the preprint server for biology · 2025Article
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- Idiopathic Granulomatous Mastitis: Immune-Pathogen Imbalance in a Treatment-Resistant Benign Inflammatory Disease.International journal of women's health · 2025Review
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- Intratumoral Escherichia Is Associated With Improved Survival to Single-Agent Immune Checkpoint Inhibition in Patients With Advanced Non-Small-Cell Lung Cancer.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2024Article
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- Expression of tumor antigens within an oncolytic virus enhances the anti-tumor T cell response.Nature communications · 2024Article
- Disruption of IFNγ, GZMB, PRF1, or LYST Results in Reduced Suppressive Function in Human CD8+ T Cells.Journal of immunology (Baltimore, Md. : 1950) · 2024Article
- IL-1α is required for T cell-driven weight loss after respiratory viral infection.Mucosal immunology · 2024Article
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Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
CTLs and NK cells use the perforin/granzyme cytotoxic pathway to kill virally infected cells and tumors. Human regulatory T cells also express functional granzymes and perforin and can induce autologous target cell death in vitro. Perforin-deficient mice die of excessive immune responses after viral challenges, implicating a potential role for this pathway in immune regulation. To further investigate the role of granzyme B in immune regulation in response to viral infections, we characterized the immune response in wild-type, granzyme B-deficient, and perforin-deficient mice infected with Sendai virus. Interestingly, granzyme B-deficient mice, and to a lesser extent perforin-deficient mice, exhibited a significant increase in the number of Ag-specific CD8(+) T cells in the lungs and draining lymph nodes of virally infected animals. This increase was not the result of failure in viral clearance because viral titers in granzyme B-deficient mice were similar to wild-type mice and significantly less than perforin-deficient mice. Regulatory T cells from WT mice expressed high levels of granzyme B in response to infection, and depletion of regulatory T cells from these mice resulted in an increase in the number of Ag-specific CD8(+) T cells, similar to that observed in granzyme B-deficient mice. Furthermore, granzyme B-deficient regulatory T cells displayed defective suppression of CD8(+) T cell proliferation in vitro. Taken together, these results suggest a role for granzyme B in the regulatory T cell compartment in immune regulation to viral infections.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.