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Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
Developmental plasticity of Th17 and Treg cells
Yun Kyung Lee1, Ryuta Mukasa, Robin D Hatton
1Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
Current Opinion in Immunology
|June 16, 2009
Summary
The study reveals that Th17 cells, a type of CD4 T cell, exhibit significant developmental plasticity. These cells can shift their function, impacting adaptive immunity and immune-mediated tissue injury.
Area of Science:
- Immunology
- Cell Biology
- T cell differentiation
Background:
- The Th1-Th2 paradigm defined alternative CD4 T cell pathways.
- Th17 cell discovery expanded this concept, highlighting CD4 T cell plasticity.
- Unlike Th1/Th2 cells, Th17 cells show less rigid developmental programs.
Purpose of the Study:
- To investigate the plasticity of Th17 cell differentiation.
- To explore the functional transitions of committed Th17 cells.
- To understand the implications of T cell plasticity for immune regulation.
Main Methods:
- Analysis of CD4 T cell differentiation pathways.
- Investigation of cytokine cues in T cell development.
- Assessment of functional plasticity in effector T cells.
Main Results:
- Th17 cells demonstrate substantial plasticity late in their development.
- Committed Th17 cells can transition to produce IFN-gamma instead of IL-17A/F.
- Regulatory T cells (Tregs) also exhibit similar plasticity.
- Early developmental links between Th17 cells and Tregs via TGF-beta were confirmed.
Conclusions:
- Th17 cell plasticity offers new strategies for balancing immunity and preventing tissue damage.
- The stability of epigenetic modifications during T cell development requires further investigation.
- Understanding T cell plasticity is crucial for immune system regulation.
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