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News from the T cell trogocytosis front
Stefano Barbera1, Anna Dimberg1, Magnus Essand1
1Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden.
Trends in Immunology
|August 15, 2025
Summary
T cells exchange membrane proteins via trogocytosis, a process potentially regulated by specific protein selection. This mechanism impacts T cell function and immune responses, offering avenues for novel immunotherapies.
Area of Science:
- Immunology
- Cell Biology
- Molecular Biology
Background:
- T cells communicate and interact through cell-cell contact.
- Trogocytosis is a mechanism of membrane transfer between immune cells.
- The precise regulation of protein transfer during trogocytosis is not fully understood.
Purpose of the Study:
- To review models of T cell trogocytosis.
- To discuss regulatory mechanisms governing protein selection and transfer.
- To explore the functional consequences of trogocytosis for T cells and immunotherapy.
Main Methods:
- Literature review of trogocytosis in T cells.
- Analysis of mechanisms regulating membrane protein exchange.
- Discussion of functional outcomes and therapeutic potential.
Main Results:
- Trogocytosis involves selective transfer of membrane-associated proteins.
- Exchanged proteins can polarize on recipient T cells, influencing their function.
- Modulation of T cell trogocytosis presents therapeutic opportunities.
Conclusions:
- Trogocytosis is a regulated process critical for T cell function.
- Understanding trogocytosis enhances comprehension of immune responses.
- Targeting trogocytosis may lead to improved immunotherapies.
Keywords:
T cell receptorT cellschimeric antigen receptorlipid raftstransmembrane domainstrogocytosisMore Related Videos
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