Extracellular Nanovesicles: From Intercellular Messengers to Efficient Drug Delivery Systems

Area of Science:

• Biotechnology and Nanomedicine
• Cell Biology and Extracellular Vesicles
• Drug Delivery Systems

Background:

• Nanosized extracellular vesicles (nEVs) are released by eukaryotic cells and mediate intercellular communication.
• nEVs are found in body fluids and transport biomolecules like nucleic acids, lipids, and proteins.
• These vesicles can transfer cargo to recipient cells, altering their biological functions.

Purpose of the Study:

• To review the therapeutic potential of nEVs as drug delivery vehicles.
• To discuss the advantages of using nEVs over synthetic nanoparticles.
• To explore considerations for nEV source selection, drug loading, and surface modification.

Main Methods:

• Review of existing literature on nanosized extracellular vesicles (nEVs) in drug delivery.
• Analysis of nEV properties, including biocompatibility, natural targeting, and safety.
• Discussion of methods for nEV isolation, drug loading, and surface modification strategies.

Main Results:

• nEVs demonstrate significant advantages as drug carriers, including biocompatibility and natural targeting capabilities.
• They can be isolated from various sources, loaded with drugs, and engineered for enhanced targeting.
• Challenges in nEV-based drug delivery platforms require further research for clinical translation.

Conclusions:

• Nanosized extracellular vesicles represent a promising platform for targeted drug delivery.
• Optimizing nEV source, loading techniques, and surface modifications is crucial for therapeutic applications.
• Overcoming current challenges is essential to fully realize the clinical potential of nEV-based therapies.