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In Vitro Differentiation of Human CD4+FOXP3+ Induced Regulatory T Cells (iTregs) from Naïve CD4+ T Cells Using a TGF-β-containing Protocol
Published on: December 30, 2016
Regulatory T cell plasticity: beyond the controversies
1Research Unit for Immune Homeostasis, RIKEN Research Center for Allergy and Immunology, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan. shohei@rcai.riken.jp
Trends in Immunology
|June 4, 2011
Summary
Regulatory T (Treg) cells are crucial for immune balance. This study proposes that observed Treg plasticity is due to uncommitted cells, not lineage reprogramming, resolving scientific debate.
Area of Science:
- Immunology
- Cell Biology
Background:
- Regulatory T (Treg) cells are essential for maintaining immune homeostasis and self-tolerance.
- Recent studies suggest Treg cells possess plasticity, potentially reverting to Foxp3(-) helper T cells under certain conditions.
- This proposed Treg plasticity remains controversial, with conflicting evidence in the literature.
Purpose of the Study:
- To resolve the controversy surrounding Treg cell plasticity.
- To propose a unifying hypothesis for the observed phenomena.
Main Methods:
- This study is primarily theoretical, proposing a model based on existing literature.
- It does not involve new experimental data but rather reinterprets previous findings.
Main Results:
- The heterogeneity model of plasticity suggests that observed plasticity is not due to Treg lineage reprogramming.
- Instead, it hypothesizes that a minor population of uncommitted Foxp3(+) T cells mimics plasticity.
Conclusions:
- The proposed heterogeneity model offers a resolution to the conflicting reports on Treg cell plasticity.
- This model posits that stable Treg cell populations remain committed to their suppressive function.
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