Before Translating Extracellular Vesicles into Personalized Diagnostics and Therapeutics: What We Could Do

Area of Science:

• Biotechnology
• Cell Biology
• Molecular Medicine

Background:

• Extracellular vesicle (EV) research is transitioning to clinical applications.
• Fundamental questions about EV biology, cell interactions, and cargo transfer persist.
• Current understanding of EV trafficking and quantification within acceptor cells is limited.

Purpose of the Study:

• To explore novel approaches for understanding EV heterogeneity and biology.
• To address uncertainties in EV-mediated intercellular communication.
• To leverage advancements for personalized EV-based diagnostics and therapeutics.

Main Methods:

• Synthesis of current insights and opportunities in EV research.
• Highlighting technological advancements in ultrasensitive single EV profiling.
• Focus on technologies developed for dissecting molecular contents of EV subsets.

Main Results:

• Identification of key technical gaps in EV research.
• Development of ultrasensitive single EV profiling methods.
• Demonstration of potential for "digital" profiling of EV subsets.

Conclusions:

• Novel profiling technologies can dissect EV subsets and their molecular contents.
• Addressing EV heterogeneity is crucial for advancing diagnostics and therapeutics.
• EVs show promise as next-generation liquid biopsies and for therapeutic quality control.