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Target intelligence / Profile preview
Cluster Differentiation 3 epsilon chain (CD3E)
- Target
- CD3E
- Molecular classification
- Immunoglobulin superfamily, Single-pass type I transmembrane glycoprotein, Receptor subunit
01
Overview
The CD3 epsilon chain (CD3E) is a component of the T-cell receptor (TCR)-CD3 complex, essential for T cell development, activation, and adaptive immune responses. It couples antigen recognition to intracellular signal-transduction pathways via its ITAM motif. Defects in CD3E can cause severe combined immunodeficiency (SCID), and polymorphisms are linked to autoimmune diseases.
02
Mechanism of action
N/A
03
Biological functions
Antigen-induced signal transductionT-cell activationT-cell developmentAdaptive immune responseAssembly/surface expression of TCR-CD3 complex
04
Disease associations
Severe combined immunodeficiency disease (SCID)Autoimmune diseases (e.g., type I diabetes mellitus)
05
Safety considerations
Potential for immune-related adverse events when targeting CD3E therapeutically
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