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Related Experiment Video

Updated: Sep 10, 2025

Designing a Bioreactor to Improve Data Acquisition and Model Throughput of Engineered Cardiac Tissues
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Cardiac Tissue Bioprinting: Integrating Structure and Functions Through Biomimetic Design, Bioinks, and Stimulation.

Silvia Marino1,2, Reem Alheijailan3, Rita Alonaizan3

  • 1Discipline of Mechanical, Manufacturing and Biomedical Engineering, Trinity College Dublin, D02 PN40 Dublin, Ireland.

Gels (Basel, Switzerland)
|August 28, 2025
PubMed
Summary

3D bioprinting offers new ways to engineer functional cardiac tissues by mimicking heart structure and function. This review explores biomaterials and techniques for advanced cardiac tissue engineering.

Keywords:
bioprintingcardiac deliverycardiac tissue engineeringhydrogels

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Cardiovascular Research

Background:

  • Cardiac pathologies result in irreversible tissue damage, posing challenges for heart repair due to limited myocardial regeneration.
  • The heart's complex architecture and the myocardium's limited regenerative capacity hinder traditional tissue engineering approaches.
  • Recent breakthroughs in biomaterials and biofabrication provide novel strategies for creating functional cardiac tissues.

Purpose of the Study:

  • To provide a comprehensive review of current cardiac bioprinting strategies.
  • To focus on achieving structural and functional biomimicry in engineered cardiac constructs.
  • To highlight opportunities for developing next-generation bioengineered cardiac tissues.

Main Methods:

  • Review of advanced hydrogels and biomaterials for cardiac tissue engineering.
  • Analysis of 3D bioprinting techniques for fabricating cardiac constructs.
  • Evaluation of post-fabrication stimulation methods for tissue maturation.
  • Critical assessment of biomimetic design principles (anisotropy, responsiveness, composition).

Main Results:

  • Integration of biomimetic principles into 3D bioprinting platforms is key for functional cardiac tissue.
  • Advanced hydrogels and bioprinting techniques enable the recreation of cardiac tissue complexity.
  • Post-fabrication stimulation enhances the structural and functional properties of bioengineered constructs.
  • Current applications include cardiac patches, vasculature, valves, and chamber models.

Conclusions:

  • Cardiac bioprinting, guided by biomimicry, shows significant promise for regenerating heart tissues.
  • Advanced materials and fabrication methods are crucial for overcoming limitations in cardiac tissue engineering.
  • Further research in biofabrication and stimulation will drive the development of next-generation cardiac constructs for therapeutic applications.