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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
Regulatory B cells and allergic diseases.
1Division of Allergy and Clinical Immunology, Department of Paediatrics, Chungnam National University Hospital, Daejeon, Korea.
Allergy, Asthma & Immunology Research
|July 9, 2011
Summary
Regulatory B cells (Bregs) suppress immune responses, unlike typical B cells. Their absence worsens allergic and autoimmune diseases, highlighting their critical role in immune tolerance.
Area of Science:
- Immunology
- Cell Biology
Background:
- B cells traditionally known for antibody production and immune activation.
- Emerging evidence highlights a negative regulatory function of specific B cell subsets.
- Loss of regulatory B cells exacerbates allergic and autoimmune conditions.
Purpose of the Study:
- To elucidate the role of regulatory B cells (Bregs) in immune responses.
- To characterize different subsets of Bregs, including IL-10 and TGF-β producers.
- To understand the implications of Bregs in autoimmune and allergic diseases.
Main Methods:
- Review of accumulated evidence on B cell regulatory functions.
- Identification and characterization of B cell subsets (e.g., B10, Br3, Foxp3+ B cells).
- Analysis of Bregs' cytokine production (IL-10, TGF-β) and their impact on disease models.
Main Results:
- Regulatory B cells, producing IL-10 (B10 cells) and TGF-β (Br3 cells), are crucial for immune tolerance.
- Absence or loss of Bregs leads to exacerbated allergic and autoimmune diseases.
- Foxp3-expressing B cells also identified as potential Bregs in humans.
Conclusions:
- Regulatory B cells play a vital role in suppressing immune responses and maintaining self-tolerance.
- Bregs are essential for preventing the exacerbation of allergic and autoimmune diseases.
- Further research into Bregs and their counter-regulatory mechanisms with T cells is warranted.
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