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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