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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
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...
Stem Cell Culture01:17

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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...
Somatic to iPS Cell Reprogramming01:29

Somatic to iPS Cell Reprogramming

Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012 for this...
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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Suppression of Pro-fibrotic Signaling Potentiates Factor-mediated Reprogramming of Mouse Embryonic Fibroblasts into Induced Cardiomyocytes
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Reprogramming toward heart regeneration: stem cells and beyond.

Aitor Aguirre1, Ignacio Sancho-Martinez, Juan Carlos Izpisua Belmonte

  • 1Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.

Cell Stem Cell
|March 12, 2013
PubMed
Summary
This summary is machine-generated.

Scientists are exploring mammalian heart regeneration to find cures for cardiovascular disease. New stem cell and reprogramming techniques offer hope for effective heart disease treatments.

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Suppression of Pro-fibrotic Signaling Potentiates Factor-mediated Reprogramming of Mouse Embryonic Fibroblasts into Induced Cardiomyocytes
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Published on: March 22, 2017

Area of Science:

  • Cardiovascular Research
  • Regenerative Medicine
  • Mammalian Biology

Background:

  • Cardiovascular disease (CVD) presents a significant challenge in modern medicine.
  • Understanding heart regeneration is crucial for developing new therapeutic strategies.
  • Lower vertebrates offer insights into inherent regenerative capabilities.

Purpose of the Study:

  • To investigate the mechanisms underlying mammalian heart regeneration.
  • To explore the potential of activating proregenerative responses in the heart.
  • To assess novel therapeutic approaches for heart disease.

Main Methods:

  • Studying regenerative mechanisms in animal models (lower vertebrates and mammals).
  • Investigating the use of endogenous adult stem cell populations.
  • Applying reprogramming technologies for therapeutic development.

Main Results:

  • Identified key mechanisms involved in mammalian heart regeneration.
  • Demonstrated potential for experimental activation of proregenerative cardiac responses.
  • Highlighted the promise of stem cell and reprogramming technologies.

Conclusions:

  • Advances in understanding heart regeneration are paving the way for new CVD treatments.
  • Endogenous stem cells and reprogramming offer promising therapeutic avenues.
  • Integrated approaches are advancing strategies for treating heart disease.