Extracellular vesicles for tumor targeting delivery based on five features principle.

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Oncology

Background:

• Extracellular vesicles (EVs) are nanoscale vesicles released by cells.
• EVs are gaining attention as nanomedicines for drug delivery.
• Current nanomedicines face challenges in systemic administration for cancer treatment.

Purpose of the Study:

• To review recent advancements in EVs-based nanomedicines for cancer therapy.
• To introduce a five-feature principle for evaluating EVs-based nanomedicine efficacy.
• To discuss the potential of EVs in overcoming current nanomedicine limitations.

Main Methods:

• Literature review of recently reported EVs-based nanomedicines.
• Analysis of nanomedicines based on five defined features: circulation, tumor accumulation, penetration, cellular uptake, and drug release.
• Synthesis of findings to evaluate the potential of EVs in cancer treatment.

Main Results:

• Several EVs-based nanomedicines have been developed for drug delivery.
• EVs demonstrate potential in achieving long circulation, enhanced tumor targeting, and deep tumor penetration.
• Efficient cellular internalization and controlled drug release are achievable with EVs.

Conclusions:

• EVs-based nanomedicines are a promising, albeit nascent, field in cancer therapy.
• The five-feature principle provides a framework for developing effective EVs-based nanomedicines.
• EVs offer a versatile platform with significant potential for future cancer treatment strategies.