Small extracellular vesicles-based cell-free strategies for therapy

Area of Science:

• Biomedical Sciences
• Nanotechnology
• Cell Biology

Background:

• Small extracellular vesicles (sEVs) are key intercellular messengers involved in regulating biological processes and disease progression.
• sEVs contain diverse bioactive molecules, including proteins, lipids, RNA, and DNA, influencing recipient cell functions.
• sEVs derived from mesenchymal stem cells and immune cells exhibit therapeutic potential due to their inherent characteristics.

Purpose of the Study:

• To summarize the therapeutic applications of sEV-based treatments across various diseases.
• To review current strategies for bioengineering sEVs to enhance their therapeutic efficacy.
• To discuss the challenges and future directions for the clinical translation of sEV therapies.

Main Methods:

• Literature review of sEV biogenesis, properties, and therapeutic applications.
• Analysis of studies on bioengineered sEV strategies for targeted delivery and enhanced function.
• Synthesis of current knowledge on clinical challenges and future prospects of sEV-based therapies.

Main Results:

• sEVs are implicated in regulating numerous biological processes and play a role in disease initiation and progression.
• The unique properties of sEVs, including biocompatibility and circulatory capability, position them as promising therapeutic tools.
• Bioengineering strategies are being developed to optimize sEVs for specific therapeutic applications.

Conclusions:

• sEVs represent a versatile platform for therapeutic interventions across a spectrum of diseases.
• Advancements in understanding sEV biogenesis and engineering offer new avenues for clinical applications.
• Overcoming current challenges is crucial for the successful clinical implementation of sEV-based therapies.