Engineering strategies for customizing extracellular vesicle uptake in a therapeutic context

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Drug Delivery

Background:

• Extracellular vesicles (EVs) are advanced therapeutic agents with inherent properties and potential for targeted drug delivery.
• Efficient therapeutic outcomes using EVs are hindered by challenges in regulating EV uptake.
• Current limitations include rapid clearance, lack of targeted delivery, and off-targeting issues.

Purpose of the Study:

• To discuss traditional strategies for improving EV uptake and their limitations.
• To review recent advances in EV engineering for customized and controlled EV uptake.
• To highlight the potential of engineered EVs for future clinical applications.

Main Methods:

• Review of existing literature on EV production and modification.
• Analysis of factors influencing EV uptake (cell source, cultivation, purification, storage, administration).
• Exploration of EV engineering techniques to enhance targeting and control uptake.

Main Results:

• Traditional methods for EV production and administration have limitations in controlling uptake.
• EV engineering offers solutions to overcome rapid clearance, off-targeting, and enhance targeted delivery.
• Customization of EVs through engineering can improve therapeutic efficacy.

Conclusions:

• EV engineering is crucial for overcoming current therapeutic limitations.
• Engineered EVs hold significant promise for precise and effective disease treatment.
• Further research into EV engineering will facilitate clinical translation.