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Related Experiment Video

Updated: May 14, 2026

Preclinical Drug Testing in Scalable 3D Engineered Muscle Tissues
08:07

Preclinical Drug Testing in Scalable 3D Engineered Muscle Tissues

Published on: April 7, 2023

Load-programmable training platform for load-response characterization of engineered skeletal muscle tissue.

Ryo Mitsui1, Xuankai Gao1, Yuya Morimoto1

  • 1Department of Electronic and Physical Systems, School of Fundamental Science and Engineering, Faculty of Science and Engineering, Waseda University, Tokyo, Japan.

Biofabrication
|May 12, 2026
PubMed
Summary
This summary is machine-generated.

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Researchers developed a novel platform for dynamic mechanical loading of engineered muscle tissues. This system optimizes muscle maturation and drug response studies by controlling load during contraction, revealing load-dependent functional improvements.

Area of Science:

  • Biomedical Engineering
  • Tissue Engineering
  • Skeletal Muscle Physiology

Background:

  • Engineered skeletal muscle tissues are valuable *in vitro* models.
  • Existing models often lack dynamic mechanical loading capabilities.
  • Controlled mechanical stimulation is crucial for muscle development and function.

Purpose of the Study:

  • To develop a load-programmable training platform for engineered human skeletal muscle tissues.
  • To enable dynamic regulation of mechanical load during electrically induced contractions.
  • To investigate load-dependent muscle maturation and pharmacological responses *in vitro*.

Main Methods:

  • Integration of electromagnetic actuation, displacement sensing, and closed-loop feedback control.
  • Non-contact load modulation for isotonic contractions under controlled loading.
Keywords:
bioMEMSelectrical stimulationelectromagnetic forcemicrofabricationorgan-on-a-chip

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Related Experiment Videos

Last Updated: May 14, 2026

Preclinical Drug Testing in Scalable 3D Engineered Muscle Tissues
08:07

Preclinical Drug Testing in Scalable 3D Engineered Muscle Tissues

Published on: April 7, 2023

Assessing Functional Metrics of Skeletal Muscle Health in Human Skeletal Muscle Microtissues
09:30

Assessing Functional Metrics of Skeletal Muscle Health in Human Skeletal Muscle Microtissues

Published on: February 18, 2021

Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
08:04

Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering

Published on: April 25, 2013

  • Application of programmable training loads (0.5–0.9 mN) to engineered muscle tissues.

    • Main Results:

    • Moderate mechanical loading enhanced contractile performance and metabolic activity, indicating functional maturation.
    • Excessive loading reduced contractile performance, suggesting an optimal loading range.
    • The platform accurately quantified drug effects (doxorubicin, isoproterenol) and demonstrated load-modulated pharmacological responses.

    Conclusions:

    • The developed platform offers a versatile *in vitro* system for studying load-dependent muscle physiology.
    • It enables precise control over mechanical environments for maturation and drug response studies.
    • Findings highlight the importance of controlled mechanical loading for engineered muscle development and drug efficacy assessment.