Extracellular vesicles as advanced therapeutics for the resolution of organ fibrosis: Current progress and future

Ke Lv1, Yizhuo Wang1, Peng Lou1

  • 1National Health Commission (NHC) Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.

Frontiers in Immunology
|November 7, 2022
PubMed

Insights

Extracellular vesicles (EVs) show promise in treating organ fibrosis by reducing inflammation and promoting tissue repair. Engineering EVs can further enhance their therapeutic potential for fibrotic diseases.

Area of Science:

  • Biomedical Science
  • Regenerative Medicine
  • Nanotechnology

Background:

  • Organ fibrosis is a progressive condition affecting multiple organs, leading to dysfunction and failure.
  • Current treatments are limited in their ability to halt or reverse fibrosis.
  • There is a critical need for novel anti-fibrotic therapeutics.

Purpose of the Study:

  • To review the potential of extracellular vesicles (EVs) as a therapeutic strategy for organ fibrosis.
  • To discuss the mechanisms by which native and engineered EVs attenuate fibrosis.
  • To explore the future development of EV-based nanotherapies for clinical application.

Main Methods:

  • Review of preclinical studies on native and engineered EVs for organ fibrosis.
  • Analysis of EV biology, production, and therapeutic mechanisms.
  • Discussion of engineering strategies to enhance EV potency.

Main Results:

  • Native EVs from various cell types demonstrate anti-fibrotic effects via anti-inflammation, pro-angiogenesis, myofibroblast inactivation, and ECM remodeling.
  • Engineering strategies like genetic modification and reagent loading significantly boost EV therapeutic efficacy.
  • EVs offer a versatile platform for developing advanced anti-fibrotic interventions.

Conclusions:

  • Extracellular vesicles represent a promising cell-free therapeutic approach for organ fibrosis.
  • EV-based nanotherapies hold potential for clinical translation in treating fibrotic diseases.
  • Further research into EV engineering and delivery is crucial for optimizing anti-fibrotic treatments.