Mesenchymal Stromal Cell-Derived Extracellular Vesicles in the Treatment of Diabetic Foot Ulcers: Application and

Tao An1,2, Yi Chen1,2, Yingchun Tu1,2

  • 1Department of hand and foot surgery, Jinhua Hospital of Zhejiang University, Jinhua, People's Republic of China.

Insights

Mesenchymal stromal cell-derived extracellular vesicles (MSC-EVs) show promise for treating diabetic foot ulcers by promoting wound healing. These vesicles offer immunomodulatory and angiogenic effects, potentially improving outcomes for diabetic lower limb ischemia.

Area of Science:

  • Regenerative Medicine
  • Cell Biology
  • Diabetology

Background:

  • Diabetic foot ulcers (DFU) are a severe complication of diabetes mellitus, characterized by chronic wounds and microvascular obstruction.
  • Current treatments for DFU are often ineffective, leading to slow healing and persistent issues.
  • Mesenchymal stromal cells (MSCs) have demonstrated therapeutic potential in preclinical models for diabetes-related complications.

Purpose of the Study:

  • To review the therapeutic potential of MSC-derived extracellular vesicles (MSC-EVs) for treating diabetic foot ulcers and lower limb ischemia.
  • To explore the mechanisms by which MSC-EVs regulate impaired diabetic wound healing.
  • To highlight MSC-EVs as a potential cell-centered therapeutic strategy for DFU.

Main Methods:

  • Review of existing literature on MSCs, MSC-EVs, and their effects on diabetic wound healing.
  • Analysis of the immunomodulatory and angiogenic properties of MSC-EVs.
  • Investigation of the molecular components within MSC-EVs, such as cytokines, growth factors, and nucleic acids.

Main Results:

  • MSC-EVs possess significant immunomodulatory and regenerative effects, contributing to accelerated wound closure.
  • MSC-EVs promote epithelialization, granulation tissue formation, and angiogenesis in diabetic wound models.
  • The paracrine actions and cargo (mRNA, proteins, microRNAs) of MSC-EVs are key to their therapeutic benefits.

Conclusions:

  • MSC-derived extracellular vesicles represent a promising cell-free therapeutic approach for diabetic foot ulcers.
  • Understanding the mechanisms of MSC-EVs in diabetic wound healing can guide future therapeutic development.
  • MSC-EVs offer a novel strategy for managing diabetes-induced lower limb ischemia and ulcers.