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Related Concept Videos

Healing I: Introduction01:11

Healing I: Introduction

Healing is the physiological process by which the body restores the integrity and function of damaged tissues following injury. It involves a coordinated interplay of cellular proliferation, extracellular matrix remodeling, and growth factor signaling. The extent and nature of the tissue damage determine whether healing occurs by resolution, regeneration, or replacement.ResolutionResolution represents the most complete form of healing, occurring when the injury is minimal and tissue...
Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...
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Cardiac Action Potential01:30

Cardiac Action Potential

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Ionic Basis of Cardiac Action Potentials
Whole Body Regeneration01:33

Whole Body Regeneration

Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential; even...
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Related Experiment Video

Updated: May 23, 2026

Myocardial Infarction in Neonatal Mice, A Model of Cardiac Regeneration
07:48

Myocardial Infarction in Neonatal Mice, A Model of Cardiac Regeneration

Published on: May 24, 2016

Cardiac regeneration.

Wen-Yee Choi1, Kenneth D Poss

  • 1Department of Cell Biology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, North Carolina, USA.

Current Topics in Developmental Biology
|March 28, 2012
PubMed
Summary
This summary is machine-generated.

Adult mammals cannot regenerate heart muscle after injury, unlike zebrafish. This review explores advances in heart regeneration, focusing on manipulating endogenous regenerative capacity.

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An Apical Resection Model in the Adult Xenopus tropicalis Heart
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Last Updated: May 23, 2026

Myocardial Infarction in Neonatal Mice, A Model of Cardiac Regeneration
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Myocardial Infarction in Neonatal Mice, A Model of Cardiac Regeneration

Published on: May 24, 2016

An Apical Resection Model in the Adult Xenopus tropicalis Heart
05:45

An Apical Resection Model in the Adult Xenopus tropicalis Heart

Published on: November 18, 2022

Area of Science:

  • Cardiovascular Biology
  • Regenerative Medicine
  • Comparative Physiology

Background:

  • Proper heart function is vital for quality of life.
  • Adult mammals lack the ability to regenerate cardiac muscle following injury.
  • Lower vertebrates, such as zebrafish, exhibit significant cardiac regeneration capacity throughout life.

Purpose of the Study:

  • To review recent progress in heart regeneration research.
  • To focus on endogenous regenerative capacity in cardiac tissue.
  • To explore the potential for manipulating these regenerative mechanisms.

Main Methods:

  • Literature review of current research in cardiac regeneration.
  • Analysis of studies on endogenous regenerative mechanisms.
  • Comparison of regenerative capacities between different species.

Main Results:

  • Significant advancements have been made in cell therapy for heart repair.
  • Research is exploring the activation of latent regenerative pathways.
  • Zebrafish serve as a key model for understanding natural cardiac regeneration.

Conclusions:

  • Understanding endogenous regenerative capacity is crucial for developing therapies.
  • Manipulating these mechanisms holds promise for treating heart damage in mammals.
  • Further research is needed to translate findings from lower vertebrates to clinical applications.