Target intelligence / Profile preview

MER Proto-Oncogene Tyrosine Kinase (MerTK)

Target
MerTK
Molecular classification
Receptor Tyrosine Kinase, TYRO3/AXL/MER (TAM) receptor family
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Overview

MerTK is a receptor tyrosine kinase that belongs to the TAM family. It plays a crucial role in signal transduction, phagocytosis/efferocytosis, and immune regulation. It is essential for the clearance of apoptotic cells and modulating cytokine production, thereby preventing systemic autoimmune diseases. It has oncogenic roles in cancer, promoting angiogenesis, migration/invasion, and cell survival, making it a therapeutic target. However, its anti-inflammatory functions must be considered to avoid exacerbating inflammation-associated cancers.

Other names
c-mer proto-oncogene tyrosine kinaseTyrosine-protein kinase Mer
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Mechanism of action

Ligand binding induces autophosphorylation, creating docking sites for downstream signaling molecules, activating pathways like MAPK1/2, FAK/PTK2, and RAC1.

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Biological functions

Signal transductionPhagocytosisEfferocytosisImmune regulationCell survivalMigrationDifferentiationPlatelet function
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Disease associations

Retinitis PigmentosaCancerAutoimmune Disorders
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Safety considerations

Therapeutic inhibition must be balanced against its critical anti-inflammatory functions.Loss of function can exacerbate inflammation-associated cancers.Impaired clearance of apoptotic neutrophils.Increased proinflammatory cytokines.

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