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Related Experiment Video

Updated: Dec 7, 2025

A Multi-Cue Bioreactor to Evaluate the Inflammatory and Regenerative Capacity of Biomaterials under Flow and Stretch
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Compact and tunable stretch bioreactor advancing tissue engineering implementation. Application to engineered cardiac

Giovanni Putame1, Stefano Gabetti1, Dario Carbonaro1

  • 1PolitoBIOMed Lab, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy; Interuniversity Center for the Promotion of the 3Rs Principles in Teaching and Research, Italy.

Medical Engineering & Physics
|September 26, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a novel, low-cost bioreactor that precisely applies tunable mechanical stretch to engineered tissues. This device enhances tissue maturation and ensures standardization for cell-based product development.

Keywords:
BioreactorCardiac tissue maturationCyclic stretchingMechanical stimulationTissues engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Biomedical Engineering

Background:

  • Physical stimuli are essential for tissue development in vivo and in vitro.
  • Bioreactors provide biomimetic conditions and control for cell-based product manufacturing.
  • Standardization and automation are critical for clinical applications of engineered tissues.

Purpose of the Study:

  • To develop a compact, user-friendly bioreactor for applying tunable mechanical stretch.
  • To enable biomimetic dynamic culture of various engineered tissues.
  • To validate the bioreactor's performance and biological efficacy.

Main Methods:

  • Designed and constructed a low-cost, customizable stretch bioreactor.
  • Performed in-house validation for accuracy and repeatability of mechanical stimulation.
  • Conducted proof-of-concept biological tests using engineered cardiac constructs.

Main Results:

  • The bioreactor demonstrated accurate and repeatable mechanical stimulation.
  • Engineered cardiac constructs showed improved maturation with cyclic stretch.
  • The bioreactor confirmed Good Laboratory Practice compliance and ease of use.

Conclusions:

  • The proposed bioreactor is effective for biomimetic dynamic culture of engineered tissues.
  • It offers a cost-effective and standardized solution for tissue engineering applications.
  • The device facilitates enhanced cardiac construct maturation through controlled mechanical stimulation.