Young at heart. An update on cardiac regeneration

A M Smits1, A A Ramkisoensing, D E Atsma

  • 1Department of Molecular Cell Biology, Center for Biomedical Genetics, Leiden University Medical Center, the Netherlands. A.M.Smits@lumc.nl

Minerva Medica
|October 30, 2010
PubMed

Insights

Cell-based therapy shows promise for regenerating heart tissue after myocardial infarction (MI). Research explores various cell sources, focusing on their developmental state to improve therapeutic potential for heart failure.

Area of Science:

  • Cardiology
  • Regenerative Medicine
  • Stem Cell Biology

Background:

  • Cardiovascular disease is a leading cause of mortality.
  • Advances in myocardial infarction (MI) treatment reduce acute deaths but not cardiac function loss.
  • Progressive heart dysfunction and heart failure remain significant challenges post-MI.

Purpose of the Study:

  • To explore cell-based therapy as a strategy to regenerate contractile cardiac tissue and prevent heart failure progression.
  • To review different cell sources and their cardiomyogenic differentiation potential.
  • To analyze the impact of cell developmental state on therapeutic efficacy.

Main Methods:

  • Review of in vitro and in vivo studies on various cell sources for cardiac regeneration.
  • Analysis of cardiomyogenic differentiation capacity of different cell populations.
  • Evaluation of cell origin and developmental state as determinants of plasticity.

Main Results:

  • Multiple cell sources, including cardiac progenitor cells and mesenchymal stem cells, have been investigated.
  • Cell origin and developmental state significantly influence differentiation capacity and therapeutic applicability.
  • Current cell-based approaches face challenges in fully regenerating damaged cardiac tissue.

Conclusions:

  • Cell-based therapy holds potential for treating heart damage post-MI.
  • Optimizing cell source selection and understanding developmental state are crucial for enhancing cardiac regeneration.
  • Further research is needed to improve the therapeutic efficacy of cell-based strategies for heart failure.

Related Concept Videos

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...
Tissue Renewal without Stem Cells01:23

Tissue Renewal without Stem Cells

After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
Liver Regeneration01:24

Liver Regeneration

The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
Development of the Heart01:27

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
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...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...