Target intelligence / Profile preview

Leukocyte-Associated Immunoglobulin-Like Receptor 1 (LAIR1)

Target
LAIR1
Molecular classification
Immunoglobulin superfamily, Transmembrane glycoprotein, Receptor, Inhibitory receptor
01

Overview

LAIR1 is an inhibitory immune receptor expressed on most peripheral blood mononuclear cells. It binds to collagens and collagen-domain-containing proteins, leading to the recruitment of SHP phosphatases and inhibition of immune cell activation. It plays a role in maintaining immune tolerance and is implicated in autoimmune diseases, cancer, and infectious diseases.

Other names
CD305Leukocyte-associated immunoglobulin-like receptor 1
02

Mechanism of action

Upon ligand binding (collagens), ITIM motifs are phosphorylated, recruiting SHP family phosphatases (SHP-1/SHP-2) to inhibit cellular activation pathways.

03

Biological functions

Immune regulationInhibition of immune cell activationMaintenance of immune tolerance
04

Disease associations

Autoimmune diseasesCancerInfectious diseases

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