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Updated: Jul 4, 2026
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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
[Systemic lupus erythematosus and regulatory T cells]
M Miyara1, Z Amoura, J-C Piette
1Unité Inserm 543, CERVI, hôpital Pitié-Salpêtrière, CHU Pitié-Salpêtrière, 83, boulevard de l'Hôpital, 75013 Paris, France.
La Revue De Medecine Interne
|June 10, 2008
Summary
Regulatory T cells (Tregs) decrease during lupus flares, not due to organ relocation, but likely due to Fas-mediated apoptosis. This finding offers new therapeutic avenues for lupus management.
Area of Science:
- Immunology
- Cell Biology
- Autoimmunity
Context:
- Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by immune dysregulation.
- Regulatory T cells (Tregs) play a crucial role in maintaining immune tolerance and preventing autoimmunity.
- Lupus flares are periods of increased disease activity and immune system dysfunction.
Purpose:
- To investigate the cause of regulatory T cell (Treg) depletion observed during lupus flares.
- To determine if Treg loss is due to migration to inflamed tissues or increased apoptosis.
- To explore potential therapeutic strategies based on Treg pathophysiology in lupus.
Summary:
- Global depletion of FoxP3+ CD25(bright) CD4+ regulatory T cells (Tregs) is a hallmark of lupus flares.
- This Treg reduction is not attributed to their relocation into diseased organs.
- Evidence suggests Tregs are particularly susceptible to Fas-mediated apoptosis during lupus flares.
Impact:
- Understanding Treg apoptosis in lupus provides critical insights into disease pathogenesis.
- Identifies Fas-mediated apoptosis as a potential therapeutic target for lupus.
- Opens new avenues for developing targeted immunotherapies to restore Treg function in lupus patients.
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