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Target intelligence / Profile preview
T Cell Receptor Constant Region Beta Chain 1 (TRBC1)
- Target
- TRBC1
- Molecular classification
- Transmembrane protein, Receptor, Part of immune receptor complex
01
Overview
TRBC1 encodes one variant of the β-chain constant region in human alpha-beta T-cell receptors. It plays an essential role in adaptive immunity by supporting antigen recognition via its association with other components within the multi-protein surface complex. Its mutually exclusive expression pattern makes it valuable as both a diagnostic marker for clonal expansions seen in certain leukemias/lymphomas and as a selective therapeutic target that may allow eradication of pathogenic clones while preserving overall immune function.
02
Mechanism of action
Antibody-mediated targeting of TRBC1+ cells; CAR-T cell therapy targeting TRBC1+ cells
03
Biological functions
Structural supportSignal transductionAntigen recognition
04
Disease associations
CancerMature T-cell leukemias/lymphomas
05
Safety considerations
Off-target effects of immunotherapyCytokine release syndrome (CRS)On-target, off-tumor toxicity
06
Biomarkers
TRBC1 expression for patient selection in targeted immunotherapy
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