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Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
Published on: April 16, 2019
Regulatory T cells in allergic inflammation.
Mehdi Benamar1, Qian Chen1, Monica Martinez-Blanco1
1Division of Immunology, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
Regulatory T (Treg) cells normally control allergic responses. In allergic diseases, Treg cells become subverted, worsening inflammation and disease. Restoring Treg cell function offers a potential therapeutic strategy.
Area of Science:
- Immunology
- Allergy Research
- T cell biology
Background:
- Regulatory T (Treg) cells are crucial for maintaining immune tolerance to allergens in tissues like the airways, skin, and gut.
- Treg cells coordinate with allergic responses to protect tissues from harmful substances while limiting inflammation and promoting repair.
- Allergic diseases involve dysregulated Treg cell activity, where chronic inflammation can lead to pathogenic Treg cell phenotypes, exacerbating the condition.
Purpose of the Study:
- To investigate the role of Treg cells in immune tolerance and allergic diseases.
- To understand how Treg cell responses are subverted in chronic allergic inflammatory environments.
- To explore the therapeutic potential of interrupting Treg cell subversion for treating allergic conditions.
Main Methods:
- This study is a review and analysis of existing research on Treg cell function in allergic diseases.
- The research synthesizes data on Treg cell mobilization, immune regulatory circuits, and their interaction with allergic effector mechanisms.
- Analysis focuses on the mechanisms by which chronic allergic inflammation impacts Treg cell phenotypes.
Main Results:
- Treg cells play a vital role in immune tolerance at mucosal and barrier surfaces.
- Treg cells are mobilized alongside allergic responses to provide tissue protection and repair.
- Chronic allergic inflammation can subvert Treg cells, promoting disease perpetuation and severity.
Conclusions:
- Subversion of Treg cell function is a key feature of chronic allergic diseases.
- Targeting Treg cell subversion presents a promising therapeutic avenue for re-establishing immune regulation in allergic conditions.
- Restoring effective Treg cell function could be a novel strategy for managing allergic diseases.
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