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Related Concept Videos

Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...

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Cardiac Spheroids as in vitro Bioengineered Heart Tissues to Study Human Heart Pathophysiology
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Physiological aspects of cardiac tissue engineering.

Thomas Eschenhagen1, Alexandra Eder, Ingra Vollert

  • 1Department of Experimental Pharmacology and Toxicology, Cardiovascular Research Center Hamburg, University Medical Center Hamburg Eppendorf, Hamburg, Germany. t.eschenhagen@uke.de

American Journal of Physiology. Heart and Circulatory Physiology
|May 15, 2012
PubMed
Summary

Cardiac tissue engineering advances repair strategies for diseased hearts, developing functional tissues for research and toxicology. Innovations enable scalable, near-physiological constructs, with human stem cells offering new therapeutic potential.

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Cardiovascular Research

Background:

  • Cardiac tissue engineering has evolved over 15 years for heart repair, research, and toxicology.
  • Significant progress has been made in creating 3D cardiac tissues with physiological contractile function.
  • Automation and standardization facilitate medium-throughput screening of engineered tissues.

Purpose of the Study:

  • To review current cardiac tissue engineering techniques.
  • To discuss the strengths and limitations of existing methods.
  • To explore future applications in cardiac repair and research.

Main Methods:

  • Development of advanced 3D cardiac tissue structures.
  • Implementation of automation and standardization for screening.
  • Construction and testing of larger engineered cardiac tissues for repair in animal models.

Main Results:

  • Engineered heart tissues exhibit improved structure and near-physiological contractile forces.
  • Larger constructs showed functional improvements in cardiac repair models in rats.
  • The development of human cardiac myocytes from stem cells is a significant breakthrough.

Conclusions:

  • Cardiac tissue engineering has made substantial progress toward clinical applications.
  • Further research is needed to translate these findings to larger animals and human patients.
  • The availability of human stem cell-derived cardiomyocytes is crucial for future advancements.