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Updated: Jun 22, 2026
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Generation of Induced Regulatory T Cells from Primary Human Naïve and Memory T Cells
Published on: April 16, 2012
Control of regulatory T cell lineage commitment and maintenance
Steven Z Josefowicz1, Alexander Rudensky
1Howard Hughes Medical Institute and Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA. josefows@mskcc.org
Immunity
|May 26, 2009
Summary
Regulatory T (Treg) cells, defined by Foxp3 expression, are crucial for immune balance. Understanding Foxp3 regulation is key to Treg cell differentiation, function, and survival, impacting immune homeostasis.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- Foxp3-expressing regulatory T (Treg) cells are essential for immune suppression against self, foreign antigens, and commensals.
- Sustained Foxp3 expression is critical for Treg cell differentiation, suppressor function, and lineage stability.
- Foxp3 also dictates Treg cell dependence on interleukin-2 for survival and expansion.
Purpose of the Study:
- To review the differentiation and maintenance mechanisms of Treg cells.
- To emphasize the molecular regulation of Foxp3 expression in Treg biology.
- To highlight the importance of Foxp3 for understanding Treg cell function.
Main Methods:
- Literature review of Treg cell biology.
- Analysis of molecular mechanisms regulating Foxp3 expression.
- Discussion of Treg cell differentiation and maintenance pathways.
Main Results:
- Foxp3 is a master transcription factor for Treg cell development and function.
- Foxp3 expression ensures Treg cell stability and prevents lineage plasticity.
- Interleukin-2 signaling, influenced by Foxp3, is vital for Treg cell homeostasis.
Conclusions:
- Understanding Foxp3 molecular regulation is central to comprehending Treg cell biology.
- Foxp3 controls Treg cell differentiation, function, stability, and survival.
- This knowledge is crucial for developing therapies targeting immune-mediated diseases.
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