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Extracellular vesicles in osteoimmunomodulation: Orchestrating immune-driven bone regeneration.
Femke Pol1, Alessia Longoni2, Riccardo Levato3
1Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht, the Netherlands; Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht, the Netherlands.
International Journal of Biological Macromolecules
|December 14, 2025
Summary
Extracellular vesicles (EVs) modulate immune responses crucial for bone healing. These nanotherapeutics show promise for transforming fracture repair and treating non-unions in regenerative orthopedics.
Area of Science:
- Orthopedics
- Immunology
- Regenerative Medicine
Background:
- Large bone fractures present significant challenges to patients and healthcare systems.
- The interplay between immune and skeletal systems is critical for bone homeostasis and fracture repair.
- Disruption of this balance leads to inflammation and impaired bone healing.
Purpose of the Study:
- To review the role of immune cells in bone regeneration.
- To focus on the immunomodulatory function of extracellular vesicles (EVs) in fracture repair.
- To highlight bioengineering advancements for EV-based bone repair therapies.
Main Methods:
- Literature review focusing on osteoimmunomodulation and extracellular vesicles in bone regeneration.
- Analysis of the role of immune cells and their interaction with skeletal cells.
- Exploration of bioengineering strategies for therapeutic applications of EVs.
Main Results:
- Immune cells are integral to bone regeneration processes.
- Extracellular vesicles (EVs) are key mediators of intercellular communication during fracture healing.
- EVs exhibit immunomodulatory functions, influencing inflammation and immune cell activity.
Conclusions:
- Osteoimmunomodulatory EVs offer a promising therapeutic strategy for bone repair.
- EVs can potentially transform regenerative orthopedics by improving healing outcomes.
- Nanotherapeutic applications of EVs represent a frontier for treating chronic non-unions.
Keywords:
BioengineeringBone fractureExosomesExtracellular vesiclesImmune responseOsteoimmunomodulationRegenerative medicineMore Related Videos
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