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Cell membrane permeability modulation via cavitation

Molecular classification
Other
01

Overview

Cell membrane permeability modulation via cavitation refers to the process in which the physical oscillation and collapse (inertial cavitation) or stable oscillation (stable cavitation) of microbubbles in response to ultrasound causes transient or sometimes lasting pores to form in the plasma membrane of cells. This effect, termed sonoporation, increases the permeability of the membrane, allowing macromolecules or drugs to enter cells that would otherwise be excluded. Key factors include the spatial proximity of bubbles to the cell membrane, ultrasound pressure, pulse duration, and microbubble size and composition. It is a critical physical method in non-viral gene delivery, targeted drug delivery, and intracellular manipulation, but does not correspond to a defined molecular entity or therapeutic target in the conventional sense.

Other names
SonoporationUltrasound-induced membrane permeabilizationMicrobubble-mediated membrane permeabilization
02

Mechanism of action

Transient pore formation due to microbubble cavitation induced by ultrasound

03

Biological functions

Membrane permeabilizationIntracellular deliveryTransient pore formationFacilitating uptake of macromolecules/therapeuticsCytoskeleton disassembly (secondary)
04

Disease associations

Drug delivery (especially for cancer, gene therapy, or neurological disease)Enhanced transfection/gene therapyNot directly a disease mechanism, but a tool for therapy
05

Safety considerations

Potential for cell lysis, irreversible cell damage if cavitation is uncontrolledNon-specific tissue damage at inappropriate ultrasound energy or bubble parametersCytoskeleton disruption
06

Biomarkers

Dye uptake (e.g., propidium iodide)Cell viabilityReporter assays for intracellular delivery

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