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Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
Distinct regulatory CD4+T cell subsets; differences between naïve and antigen specific T regulatory cells
Bruce M Hall1, Nirupama D Verma, Giang T Tran
1Immune Tolerance Laboratory, Faculty of Medicine, University of New South Wales, Sydney, Australia. b.hall@unsw.edu.au
Current Opinion in Immunology
|August 16, 2011
Summary
Regulatory T cells (Treg) adapt their function and molecule production based on the specific immune inflammatory environment. This adaptability allows Treg to effectively control diverse immune responses by tailoring their suppressive mechanisms.
Area of Science:
- Immunology
- Cellular Biology
- Molecular Biology
Background:
- Effector T cells exhibit functional heterogeneity with distinct molecular profiles.
- Regulatory T cells (Treg) are crucial for immune homeostasis and tolerance.
- Understanding Treg plasticity is vital for modulating immune responses.
Purpose of the Study:
- To review the adaptive mechanisms of Treg activation and function.
- To elucidate how Treg tailor their molecular expression in response to different effector T cell lineages.
- To explore the induction and suppressive strategies of peripherally derived Treg.
Main Methods:
- Literature review of Treg activation and differentiation pathways.
- Analysis of molecular markers (cytokines, receptors, transcription factors) in activated Treg.
- Examination of Treg induction by cytokines like IL-10 and TGF-β.
Main Results:
- Antigen-specific Treg activation induces lineage-specific expression of cytokines and receptors.
- Activated Treg express receptors mirroring the effector T cell lineage they interact with.
- Peripherally induced Treg can arise from naive T cells under specific cytokine or Treg-mediated influences.
- Treg produce tailored molecules for suppression based on the immune environment.
Conclusions:
- Treg exhibit remarkable plasticity, adapting their molecular phenotype and function to the surrounding immune milieu.
- This adaptability allows Treg to effectively control diverse inflammatory and immune responses.
- Treg-derived suppression is context-dependent, reflecting a finely tuned regulatory network.
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