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Interactions of Fox proteins with inflammatory transcription-factor pathways
1Arthritis Research Inflammation, Autoimmunity and Transplantation Research Roche Palo Alto, LLC3431 Hillview Ave, Mailstop R7-101 Palo Alto, CA 94304, USA. stanford.peng@roche.com
Expert Review of Clinical Immunology
|May 19, 2010
Summary
Forkhead (Fox) proteins regulate immune homeostasis. Beyond Foxp3 in regulatory T cells, other Fox proteins like Foxj1, Foxo3a, and Foxd1 are crucial for intrinsic T cell immunity by opposing inflammatory pathways.
Area of Science:
- Immunology
- Molecular Biology
- Transcription Factors
Background:
- The forkhead (Fox) protein family comprises diverse transcription factors with critical roles in immune homeostasis.
- Foxp3 is well-known for its function in regulatory T cells, which modulate effector leukocyte activity.
- Other Fox proteins are increasingly recognized for their intrinsic roles in immune regulation.
Purpose of the Study:
- To review the current understanding of specific Fox proteins in immune homeostasis.
- To highlight the cell-intrinsic regulatory functions of Fox proteins in T cells.
- To discuss the antagonism of pro-inflammatory pathways by Fox proteins.
Main Methods:
- Literature review of studies on Fox proteins and immune homeostasis.
- Analysis of the roles of Foxj1, Foxo3a, and Foxd1 in T cell function.
- Examination of the interaction between Fox proteins and inflammatory transcription factors.
Main Results:
- Fox proteins, including Foxj1, Foxo3a, and Foxd1, are vital for cell-intrinsic immune homeostasis in T cells.
- These Fox proteins counteract pro-inflammatory transcription factor pathways like NF-kappaB and NFAT.
- Their functions extend beyond the well-studied role of Foxp3 in regulatory T cells.
Conclusions:
- Fox proteins play multifaceted roles in maintaining immune balance.
- Specific Fox members are key regulators of intrinsic T cell immunity.
- Targeting these Fox proteins may offer new strategies for immune modulation.
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