Target intelligence / Profile preview

T Lymphocyte Surface Antigen CD8 (None)

Target
None
Molecular classification
Receptor, Transmembrane protein, Type I membrane protein
01

Overview

The surface antigen CD8 is critical for enabling cytotoxic function in specific subsets of lymphocytes. It acts both structurally—by stabilizing interactions with MHC class I—and functionally—by facilitating targeted destruction of abnormal or infected host cells. Its presence defines one major lineage within adaptive immunity essential for pathogen clearance and tumor control

Other names
CD8Cytotoxic/Suppressor-T Lymphocyte Antigen
02

Mechanism of action

N/A

03

Biological functions

Antigen recognitionCytolysisImmune responseCytokine productionCell-mediated immunityT cell activation
04

Disease associations

Viral infectionsCancerAutoimmune diseasesImmunodeficiency
05

Safety considerations

Cytokine release syndromeOff-target effects on other immune cellsAutoimmunity
06

Biomarkers

CD8+ T cell count in bloodCD8 expression levels in tumors

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