The Transcription Factor TCF1 in T Cell Differentiation and Aging
Chulwoo Kim1,2, Jun Jin1,2, Cornelia M Weyand1,2
1Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305-5166, USA.
International Journal of Molecular Sciences
|September 9, 2020
Summary
Transcription factor T cell factor 1 (TCF1) is crucial for T cell development and peripheral responses. Understanding TCF1 in aging T cells may lead to therapies improving immunity in older adults.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- T cell factor 1 (TCF1) is a key transcription factor in T cell development and WNT/β-catenin signaling.
- TCF1 plays critical roles in peripheral T cell responses to infections and cancer.
Purpose of the Study:
- To review the regulatory functions of TCF1 in T cell differentiation, including T follicular helper cells, memory T cells, and stem-like exhausted T cells.
- To discuss the impact of aging on TCF1 expression and its consequences for T cell responses.
Main Methods:
- Review of recent studies on TCF1's role in T cell differentiation and aging.
- Analysis of gene-regulatory networks controlled by TCF1.
Main Results:
- TCF1 promotes less differentiated, stem-like states in exhausted T cells via gene-regulatory networks.
- Aging alters TCF1 expression and regulatory networks, impairing T cell responses to infections and vaccination.
Conclusions:
- TCF1 is essential for maintaining stem-like properties in T cells.
- Targeting TCF1 pathways in aged T cells could enhance immune responses and inform therapeutic strategies for older individuals.
Keywords:
T cell agingT cell differentiationT cell exhaustionT follicular helper cellsTCF1WNT/β-cateninimmunosenescencememory T cellsstem-like CD8 T cellsMore Related Videos
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