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Target intelligence / Profile preview
Cyclin-dependent kinase 5-p25 complex (CDK5-p25)
- Target
- CDK5-p25
- Molecular classification
- Protein Kinase Complex, Enzyme, Cyclin-Dependent Kinase
01
Overview
The cyclin-dependent kinase 5 (CDK5)-p25 complex is a protein kinase complex formed by the association of CDK5, a proline-directed serine/threonine kinase, with p25, a proteolytic fragment derived from its physiological activator p35. This complex plays critical roles in neuronal function and is implicated in neurodegenerative diseases due to its aberrant activation and altered substrate specificity. Hyperactivation of the CDK5-p25 complex contributes significantly to neurodegeneration seen in disorders such as Alzheimer's disease. Prolonged activation leads to aberrant phosphorylation events causing cytoskeletal disruption, synaptic dysfunction, cell death pathways activation, and ultimately neuronal loss. Mislocalization away from membranes further disturbs normal signaling pathways.
- Other names
- CDK5/p25Cdk5-p25 complexCyclin-dependent kinase 5 and p25
02
Mechanism of action
Inhibition of CDK5-p25 kinase activity
03
Biological functions
Neuronal functionProtein phosphorylationRegulation of neuronal developmentCell signalingCytoskeletal regulation
04
Disease associations
Alzheimer's diseaseNeurodegenerative diseaseNeurotoxicitySynaptic dysfunction
05
Safety considerations
Potential for off-target effects due to kinase inhibitors targeting similar kinases.Need for specific inhibitors to avoid disrupting normal CDK5/p35 function.
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