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Target intelligence / Profile preview
Dishevelled-associated activator of morphogenesis 1 (DAAM1)
- Target
- DAAM1
- Molecular classification
- Formin family protein, Actin nucleator/regulator, Scaffold protein
01
Overview
Dishevelled-associated activator of morphogenesis 1 (DAAM1) is a cytoskeletal regulator belonging to the formin family. It binds to Dishevelled (Dvl) and Rho proteins, mediating assembly of Wnt/PCP-induced signaling complexes and orchestrating linear actin filament formation via its formin-homology domains. DAAM1 plays a key role in cell polarity, migration, adhesion, and cytokinesis, and is required for tissue morphogenesis during development—including heart and neuronal formation. Its activity is tightly regulated via autoinhibition and alternative splicing, which modulates its function in neural cells. Knockout of DAAM1 in animal models causes lethal developmental defects, particularly in the heart and neurons, illustrating its non-redundant role in morphogenesis and cytoskeletal architecture.
- Other names
- DAAM1KIAA0666disheveled-associated activator of morphogenesis 1
02
Mechanism of action
No specific mechanisms described for drugs, as DAAM1 is not the direct target of marketed drugs. Inhibiting DAAM1 would hypothetically impact actin assembly, cell polarity, and PCP/Wnt signaling, but this is not an established mechanism for therapeutics.
03
Biological functions
Actin filament nucleation and elongationCytoskeletal organizationCell polarity and migrationSignal transduction (non-canonical Wnt/PCP pathway)Myocardial maturation and sarcomere assemblyCell motility, adhesion, and growthDendritic spine formation and neuronal development
04
Disease associations
Congenital heart defectsGastric tubular adenocarcinomaCerebral amyloid angiopathyNeuronal development and memory formation (implicated by mouse models)
05
Safety considerations
Targeting DAAM1 could disrupt critical developmental processes such as heart formation, cell migration, and neuronal structure, likely resulting in significant developmental or organ-level toxicityKnockout studies in mice lead to embryonic lethality and severe cardiac defects
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