Extracellular vesicles from organoids and 3D culture systems

Area of Science:

• Cell Biology
• Biotechnology
• Nanomedicine

Background:

• Extracellular vesicles (EVs), including exosomes, were initially considered cellular waste disposal mechanisms.
• EVs are now recognized as critical mediators of intercellular communication, transporting RNA, DNA, and bioactive molecules.
• Research on EVs has expanded from body fluids and 2D cultures to advanced 3D multicellular in vitro models.

Purpose of the Study:

• To provide a comprehensive overview of progress in analyzing EVs using 3D in vitro culture models.
• To highlight the potential of 3D models for studying EVs in physiological and pathological contexts.
• To briefly discuss translational efforts and regulatory considerations for EV-based therapeutics.

Main Methods:

• Review of current literature on extracellular vesicle (EV) analysis in 3D in vitro models.
• Synthesis of findings regarding the application of organoids and other 3D models for EV research.
• Overview of translational and regulatory aspects relevant to EV therapeutics.

Main Results:

• Significant advancements have been made in utilizing 3D in vitro models for EV analysis.
• These models offer a more physiologically relevant platform for studying EV functions.
• Standardized and reproducible methods for EV analysis in 3D models are still lacking.

Conclusions:

• 3D in vitro models represent a promising frontier for extracellular vesicle (EV) research.
• Further development of standardized methods is crucial for the reliable analysis of EVs in these complex models.
• Addressing translational and regulatory challenges is essential for the commercialization of EV therapeutics.