Cell and molecular mechanisms of regeneration and reorganization of skeletal muscles

Related Experiment Video

Updated: May 24, 2026

Induction of Acute Skeletal Muscle Regeneration by Cardiotoxin Injection
07:39

Induction of Acute Skeletal Muscle Regeneration by Cardiotoxin Injection

Published on: January 1, 2017

Agnieszka Zembroń-Łacny1, Jarosław Krzywański, Joanna Ostapiuk-Karolczuk

  • 1Division of Sports Medicine and Biochemistry, Faculty of Physical Culture, Gorzow Wielkopolski Campus, University of Physical Education in Poznań. a.zembron@awf-go rzow.edu.pl

Ortopedia, Traumatologia, Rehabilitacja
|March 6, 2012
PubMed

Insights

Skeletal muscle regeneration involves complex molecular and cellular processes. This study explores growth factors, cytokines, and stem cells for enhancing muscle repair and therapeutic applications.

Area of Science:

  • Biomedical Science
  • Regenerative Medicine
  • Muscle Physiology

Background:

  • Skeletal muscle regeneration is a four-phase process involving degeneration, immune response, regeneration, and remodeling.
  • Key regulators include cytokines, growth factors, erythropoietin, enzymes, and reactive oxygen and nitrogen species (RONS).
  • These molecules can stimulate or inhibit muscle cell proliferation and growth.

Purpose of the Study:

  • To review current knowledge on molecular and cellular mechanisms of skeletal muscle regeneration and remodeling.
  • To elucidate the role of cytokines and growth factors in satellite glial cell proliferation.
  • To explore therapeutic potential of stem cells for damaged muscle fiber regeneration.

Main Methods:

  • Literature review of molecular and cellular mechanisms.
  • Analysis of cytokine and growth factor roles in satellite glial cell proliferation.
  • Evaluation of stem cell-based therapeutic strategies for muscle regeneration.

Main Results:

  • Muscle regeneration is orchestrated by various secreted molecules from multiple cell types.
  • Cytokines and growth factors are crucial for satellite glial cell proliferation.
  • Stem cell therapies, including muscle-derived stem cells, show promise for muscle repair.

Conclusions:

  • Understanding the molecular and cellular basis of muscle regeneration is vital for therapeutic advancements.
  • Targeting cytokines, growth factors, and stem cells offers potential for regenerative medicine.
  • Further research into stem cell applications can improve treatment for muscle damage.

More Related Videos

Analyzing Satellite Cell Function During Skeletal Muscle Regeneration by Cardiotoxin Injury and Injection of Self-delivering siRNA In Vivo06:37

Analyzing Satellite Cell Function During Skeletal Muscle Regeneration by Cardiotoxin Injury and Injection of Self-delivering siRNA In Vivo

Published on: September 18, 2019

Minimally Invasive Muscle Embedding (MIME) - A Novel Experimental Technique to Facilitate Donor-Cell-Mediated Myogenesis09:17

Minimally Invasive Muscle Embedding (MIME) - A Novel Experimental Technique to Facilitate Donor-Cell-Mediated Myogenesis

Published on: August 24, 2017

Related Concept Videos

Satellite Stem Cells and Muscular Dystrophy01:21

Satellite Stem Cells and Muscular Dystrophy

Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
Formation of Muscle Fibers from Myoblasts01:13

Formation of Muscle Fibers from Myoblasts

De novo myogenesis, or the formation of muscle fibers, begins during the early embryonic stages. The skeletal muscle is formed from somites– blocks of embryonic cell layers. The somites are further divided into dermatomes, myotomes, sclerotomes, and syndetomes. Among these, the myotomes give rise to muscle fibers.
Muscle progenitor cells (MPCs) are formed from the myotomes. MPCs express genes that encode the transcription factors Pax3 and Pax7. Along with Pax 3/7, other transcription factors...
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...
Microscopic Anatomy of Skeletal Muscles01:13

Microscopic Anatomy of Skeletal Muscles

Skeletal muscle cells, also called muscle fibers, are distinctly elongated, multi-nucleated, slender biological units. They are packed with specialized structures designed to facilitate their primary function, which is contraction.
The muscle sarcolemma is a plasma membrane enclosing each muscle cell that conducts electrical signals called action potentials. The sarcolemma extends into the cell to form T-tubules, ensuring the neural impulses are uniformly distributed across the entire muscle...
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...
Neurogenesis and Regeneration of Nervous Tissue01:15

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...