Target intelligence / Profile preview

Tyrosine-protein kinase receptor UFO (AXL)

Target
AXL
Molecular classification
Receptor tyrosine kinase (RTK), TAM family (Tyro3, Axl, Mer)
01

Overview

Tyrosine-protein kinase receptor UFO (AXL) is a receptor tyrosine kinase belonging to the TAM family. It plays a role in cell survival, proliferation, migration, and immune modulation. AXL is activated by its ligand GAS6, leading to downstream signaling through PI3K-AKT-mTOR, MEK/ERK, NF-kB, and JAK/STAT pathways. It is implicated in various cancers and can contribute to drug resistance. AXL also acts as an entry receptor for several viruses.

Other names
UFOAXL receptor tyrosine kinase
02

Mechanism of action

Tyrosine kinase receptor that, upon ligand (GAS6) binding, dimerizes and autophosphorylates, activating downstream signaling pathways like PI3K-AKT-mTOR, MEK/ERK, NF-kB, and JAK/STAT, leading to cell survival, proliferation, and migration.

03

Biological functions

Cell survivalCell proliferationCell migrationCell differentiationClearance of apoptotic cellsRegulation of innate immune responsesDampens Toll-like receptor-mediated innate immune responsesInhibition of excessive inflammationLimits dendritic cell maturation/functionModulates natural killer cell activityPlatelet activation/thrombotic response regulationHepatic regeneration supportGonadotropin-releasing hormone neuron survival/migration
04

Disease associations

CancerTriple-negative breast cancer (TNBC)Acute myeloid leukemia (AML)Non-small-cell lung cancer (NSCLC)Pancreatic cancerOvarian cancerDrug resistanceViral infection
05

Safety considerations

Potential for bypass signaling in drug resistanceUpregulation in various tumor types associated with poor prognosis

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