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Related Experiment Video

Updated: Jun 4, 2026

Induction of Adhesion-dependent Signals Using Low-intensity Ultrasound
08:51

Induction of Adhesion-dependent Signals Using Low-intensity Ultrasound

Published on: May 8, 2012

Indirect low-intensity ultrasonic stimulation for tissue engineering.

Hyoungshin Park1, Michael C Yip, Beata Chertok

  • 1Center for Laryngeal Surgery and Voice Rehabilitation, Department of Surgery, Massachusetts General Hospital, Boston, MA 02114, USA.

Journal of Tissue Engineering
|February 26, 2011
PubMed
Summary

Low-intensity ultrasound (LIUS) enhances nutrient transport and cell activity. This innovative treatment shows promise for improving tissue graft survival by boosting cell proliferation and metabolism while reducing tissue damage markers.

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Tissue grafts require optimal blood supply post-implantation.
  • Low-intensity ultrasound (LIUS) can enhance mass transport.
  • Improving nutrient delivery is crucial for graft survival.

Purpose of the Study:

  • To investigate the effects of LIUS on muscle cells and adipose tissue organoids.
  • To assess LIUS impact on dye diffusion, cell proliferation, metabolism, and gene expression.
  • To determine LIUS potential for enhancing tissue graft viability.

Main Methods:

  • In vitro study using C2C12 muscle cells and human adipose tissue organoids.
  • LIUS stimulation applied to cell cultures and organoids.
  • Measurements included dye diffusion, cell proliferation assays, metabolic activity assays, and gene expression analysis (tumor necrosis factor-alpha).

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Last Updated: Jun 4, 2026

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  • Acoustic pressure was quantified using hydrophone measurements.

    • Main Results:

    • LIUS significantly increased dye diffusion and induced anisotropic patterns.
    • LIUS elevated proliferation, metabolic activity, and tropomyosin expression in muscle cells.
    • Adipose tissue organoids exhibited increased metabolic activity and normal adipocyte morphology.
    • Stimulated organoids showed significantly lower tumor necrosis factor-alpha expression compared to controls.

    Conclusions:

    • LIUS effectively enhances mass transport and cellular functions in vitro.
    • LIUS treatment positively impacts tissue viability and reduces markers of damage.
    • LIUS demonstrates potential as a therapeutic modality for improving in vivo graft survival.