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Actin Cytoskeleton Dynamics (Filamentous Actin Disassembly) (F-actin Disassembly)
- Target
- F-actin Disassembly
- Molecular classification
- Actin-Binding Proteins (ABPs), Cofilin family, Twinfilin, Srv2/CAP complex
01
Overview
The actin cytoskeleton is a dynamic network composed of actin filaments (F-actin) and associated proteins. Filamentous actin disassembly refers to the breakdown of F-actin into G-actin monomers, a process crucial for cell shape changes, motility, division, and intracellular transport. Key regulators include actin-binding proteins like cofilins, twinfilins and Srv2/CAP, which enhance depolymerization. Disruptions in actin dynamics are linked to diseases such as cancer.
- Other names
- Actin depolymerizationF-actin remodelingActin filament turnover
02
Mechanism of action
Drugs modulating actin dynamics can affect polymerization/depolymerization rates, filament stability, and interactions with other proteins. They can target actin directly or indirectly through signaling pathways that regulate ABPs.
03
Biological functions
Cell motilityCell shape changesCell division (cytokinesis)Intracellular transportMorphogenesisSignal transduction
04
Disease associations
Cancer (metastasis)Developmental disordersCell migration defectsCell division defects
05
Safety considerations
Potential for off-target effects due to the ubiquitous nature of actin.Disruption of essential cellular processes.Toxicity associated with some actin-disrupting compounds.
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