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Generation of Induced Regulatory T Cells from Primary Human Naïve and Memory T Cells
Published on: April 16, 2012
Human CD4+CD25(high)CD127 (low/neg) regulatory T cells
Haibin Su1, Maria Serena Longhi, Pengyun Wang
1Department of Liver Transplantation, Beijing 302 Hospital, Beijing, China.
Methods in Molecular Biology (Clifton, N.J.)
|November 8, 2011
Summary
Regulatory T cells (Tregs) are crucial for immune tolerance and preventing autoimmune diseases. This review details methods for characterizing, isolating, expanding, and assessing the suppressive functions of these vital immune cells.
Area of Science:
- Immunology
- Cell Biology
Background:
- CD4+CD25(high)CD127(low/neg) regulatory T cells (Tregs) are essential for peripheral tolerance and controlling autoimmune diseases.
- Tregs utilize surface and intracellular markers like FOXP3, CD25, and CTLA-4 for characterization.
- Their primary suppressive mechanism involves direct cell-cell contact, though other pathways may exist.
Purpose of the Study:
- To provide a comprehensive review of regulatory T cell (Treg) characterization, isolation, and expansion.
- To discuss methods for assessing the suppressive functions of Tregs.
- To highlight the therapeutic potential of human Tregs in transplantation and autoimmune disease treatment.
Main Methods:
- Characterization of Tregs using a panel of surface markers (CD25, CD39/CD73, CD62L, CD45RO, CD127, GITR, CTLA-4) and intracellular markers (FOXP3).
- In vitro expansion of Tregs stimulated by T cell receptor (TCR) and cytokines like IL-2.
- Assessment of Treg suppressive functions.
Main Results:
- Expanded Tregs maintain their suppressive capabilities.
- Human Tregs show significant therapeutic promise for preventing graft rejection and treating autoimmune conditions.
Conclusions:
- Effective characterization and expansion protocols are key to harnessing Treg therapeutic potential.
- Tregs represent a promising avenue for immunomodulatory therapies.
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