Background
This study investigates the potential of extracellular vesicles (EVs) in skin regeneration and rejuvenation. EVs, nanoscale vesicles released by various cell types, play a crucial role in intercellular communication.
Methods
The study employs a novel isolation technique combining PEG and Dextran with ultracentrifugation to extract EVs from plasma. Characterization techniques, including NTA, AFM, Cryo-TEM, and FC, confirm the successful isolation and characterization of EVs.
Objective
To reaffirm the pivotal role of blood-derived exosomes in intercellular communication and their potential for skin tissue regeneration, leveraging existing research, including human data, to advocate for exosomes as a viable cell-free therapy for skin health.
Results
The study demonstrates positive effects of blood-derived EVs on fibroblast proliferation, collagen, and elastin production in murine and human models. Despite advancements, challenges persist in obtaining consistent EVs quality and concentration. The findings support the clinical relevance of EVs in skin health and suggest potential applications for skin rejuvenation. Future research directions and study limitations are also discussed, contributing to the evolving understanding of EVs-based therapies.