Engineering Biomimetic 3D Microenvironments for Extracellular Vesicle Programming Toward Clinical Translation

Area of Science:

• Biotechnology
• Cell Biology
• Regenerative Medicine

Background:

• Extracellular vesicles (EVs) are crucial for cell-to-cell communication and have therapeutic potential.
• Clinical translation of EV therapies is hindered by issues with yield, purity, and consistency.
• Three-dimensional (3D) culture systems offer a promising approach to improve EV production.

Purpose of the Study:

• To review how 3D culture systems influence EV biogenesis and cargo.
• To discuss the implications of 3D culture for EV-based therapeutics.
• To highlight advances in biomimetic platforms for EV production.

Main Methods:

• Review of recent literature on 3D culture systems and EV production.
• Analysis of biochemical and mechanical cues in 3D environments.
• Discussion of EV biogenesis, cargo loading, and functional outcomes.

Main Results:

• 3D culture systems significantly impact cell phenotype, secretory activity, and EV composition.
• Biochemical and mechanical cues in 3D cultures regulate EV production and loading.
• These systems show potential for improving EV yield, purity, and functional consistency.

Conclusions:

• 3D culture systems are vital for optimizing EV production for therapeutic applications.
• Biomimetic platforms can overcome current limitations in EV-based therapy development.
• Advances in 3D culture pave the way for scalable and effective EV therapeutics.