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Formation of Tissue-Resident CD8+ T-Cell Memory
Feline E Dijkgraaf1, Lianne Kok1, Ton N M Schumacher1
1Division of Molecular Oncology and Immunology, Oncode Institute, The Netherlands Cancer Institute, 1066 Amsterdam, the Netherlands.
Cold Spring Harbor Perspectives in Biology
|March 9, 2021
Summary
Resident memory CD8+ T cells (Trm) provide tissue defense. Early signals and tissue factors guide naive CD8+ T cells to become Trm, crucial for developing vaccines and cancer therapies.
Area of Science:
- Immunology
- Cellular Biology
- Infectious Disease
Background:
- Resident memory CD8+ T cells (Trm) are crucial for tissue immunity against pathogens.
- Understanding Trm differentiation is key for vaccine and cancer therapy development.
Purpose of the Study:
- To review early signals influencing Trm development before tissue entry.
- To discuss tissue-derived factors promoting Trm maturation in situ.
Main Methods:
- Literature review of Trm cell differentiation.
- Analysis of molecular and cellular cues involved in Trm imprinting.
Main Results:
- Early signals dictate a CD8+ T cell's potential to become a Trm.
- Tissue microenvironment factors promote Trm maturation after tissue entry.
Conclusions:
- A model is proposed where specific T cells acquire heightened responsiveness to local cues.
- This imprinting generates a Trm pool for effective local pathogen control.
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