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Phenotypic and Functional Analysis of Activated Regulatory T Cells Isolated from Chronic Lymphocytic Choriomeningitis Virus-infected Mice
Published on: June 22, 2016
TNFRs and Control of Chronic LCMV Infection: Implications for Therapy
Derek L Clouthier1, Tania H Watts1
1Department of Immunology, Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario M5S 1A8, Canada.
Abstract:
The control of persistent viral infections requires the immune system to limit the spread of the virus while avoiding immunopathology. Recent studies have revealed that members of the tumor necrosis factor receptor (TNFR) superfamily play unique and pivotal roles in control of chronic lymphocytic choriomeningitis virus (LCMV) infection and in some settings can tip the balance between immune control and immune pathology. We review these findings and discuss how our understanding of the role of TNFRs in the immune response to chronic LCMV infection may shed light on what happens during HIV infection in humans. We discuss preclinical models of TNF/TNFR family-targeted immunotherapy of chronic LCMV infection and evaluate which TNFRs present the most promising targets for immune intervention.
Insights
Tumor necrosis factor receptor (TNFR) superfamily members are crucial for controlling persistent viral infections like lymphocytic choriomeningitis virus (LCMV). Understanding TNFR roles in LCMV may inform strategies for human immunodeficiency virus (HIV) infection.
Area of Science:
- Immunology
- Virology
- Infectious Diseases
Background:
- Persistent viral infections necessitate immune responses that balance viral clearance with the prevention of immunopathology.
- Members of the tumor necrosis factor receptor (TNFR) superfamily have emerged as critical regulators in chronic viral infections.
- These receptors can influence the outcome of immune responses, determining either effective viral control or detrimental immune-mediated pathology.
Purpose of the Study:
- To review the pivotal roles of TNFR superfamily members in the immune response to chronic lymphocytic choriomeningitis virus (LCMV) infection.
- To explore the potential implications of TNFR function in LCMV for understanding human immunodeficiency virus (HIV) infection.
- To discuss preclinical immunotherapeutic strategies targeting TNF/TNFR family members for chronic LCMV and identify promising targets.
Main Methods:
- Review of existing literature on TNFR superfamily roles in chronic viral infections, specifically LCMV.
- Analysis of preclinical models investigating TNF/TNFR-targeted immunotherapy in LCMV infection.
- Comparative discussion of TNFR involvement in LCMV and its potential relevance to HIV pathogenesis.
Main Results:
- TNFR superfamily members play significant roles in controlling chronic LCMV infection.
- These receptors can determine the balance between effective immune control and immunopathology.
- Preclinical studies highlight the potential of TNF/TNFR-targeted immunotherapies for chronic viral infections.
Conclusions:
- TNFRs are key players in managing persistent viral infections like LCMV, influencing immune control and pathology.
- Insights gained from LCMV models offer valuable perspectives for addressing HIV infection.
- Targeting specific TNFRs represents a promising avenue for developing novel immunotherapies against chronic viral infections.
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