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Target intelligence / Profile preview
T cell receptor on CD8 lymphocyte
- Molecular classification
- Receptor, T cell receptor, MHC receptor, Glycoprotein
01
Overview
The T cell receptor (TCR) on CD8 lymphocytes is a membrane-bound protein complex found on the surface of cytotoxic T cells (CD8+ T cells). This receptor is responsible for recognizing antigens presented by major histocompatibility complex class I (MHC I) molecules, which are displayed by almost all nucleated cells in the body. The interaction between the TCR and peptide–MHC I complexes is central to the immune surveillance and cytotoxic function of CD8+ T cells.
02
Mechanism of action
TCR activation leads to T cell activation, cytotoxicity, and cytokine secretion.
03
Biological functions
Antigen recognitionT cell activationCytotoxicityCytokine productionImmune response
04
Disease associations
Viral infectionCancerAutoimmunityImmunodeficiency
05
Safety considerations
Cytokine release syndromeOff-target toxicityImmune-related adverse eventsT cell exhaustion
06
Biomarkers
TCR clonalityTCR expression levelsCD8 expression levels
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