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Updated: Sep 9, 2025

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Mechanotherapy: Modulating immune cell function in tissue regeneration and fibrosis.

Niamh A Ward1, Hannah Prendeville1, Eimear J Wallace2

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Acta Biomaterialia
|August 29, 2025
PubMed
Summary

Mechanotherapy uses mechanical forces to improve healing and reduce fibrosis by modulating immune cells. Understanding how mechanical loading impacts immune responses is key to optimizing this therapy for tissue regeneration.

Keywords:
Fibrosis/foreign body responseImmune responseMechanotherapyMedical implantTissue regeneration

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Immunology

Background:

  • Mechanotherapy, using mechanical forces for therapeutic benefit, shows promise in regenerative medicine and drug delivery.
  • It has demonstrated efficacy in improving muscle regeneration and modulating fibrosis in vivo.
  • However, the underlying cellular mechanisms, particularly immune cell responses to mechanical loading, require further elucidation.

Purpose of the Study:

  • To review preclinical findings on mechanotherapies for muscular injury and medical implants.
  • To discuss the mechanosensitive nature of immune cells and their signaling pathways under mechanical stress.
  • To explore the relationship between mechanotherapy, immune modulation, and fibrosis in tissue regeneration.

Main Methods:

  • Review of preclinical investigations on mechanotherapy applications.
  • Discussion of immune cell mechanosensitivity and signaling pathways.
  • Analysis of the influence of mechanical loading parameters on tissue healing and fibrosis.

Main Results:

  • Mechanotherapies can improve functional muscle regeneration and modulate fibrosis.
  • Immune cell responses to mechanical loading are complex and depend on parameters like magnitude, frequency, and duration.
  • Understanding these immune responses is crucial for effective mechanotherapy design.

Conclusions:

  • Mechanotherapy offers a promising approach to modulate immune responses and improve regenerative outcomes, particularly in preventing fibrosis.
  • Further research is needed to fully understand and optimize the parameters of mechanical stimulation for therapeutic benefit.
  • Developing mechanotherapeutic devices requires addressing challenges in controlling mechanical loading and targeting specific immune pathways.