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Related Concept Videos

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...
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...
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...
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...
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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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...

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Related Experiment Video

Updated: May 21, 2026

Minimally Invasive Muscle Embedding (MIME) - A Novel Experimental Technique to Facilitate Donor-Cell-Mediated Myogenesis
09:17

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

Published on: August 24, 2017

Myogenesis and muscle regeneration.

Faisal Yusuf1, Beate Brand-Saberi

  • 1Department of Anatomy and Molecular Embryology, Institute of Anatomy, Ruhr University Bochum, 44780 Bochum, Germany. faisal.yusuf@rub.de

Histochemistry and Cell Biology
|May 31, 2012
PubMed
Summary

Skeletal muscle development and regeneration are complex, influenced by topographical origin and novel molecules like miRNAs. Understanding muscle stem cells, particularly satellite cells, is key for treating muscular dystrophies.

Area of Science:

  • Muscle Biology
  • Developmental Biology
  • Regenerative Medicine

Background:

  • Skeletal muscle research focuses on development, differentiation, and regeneration.
  • Recent studies highlight novel regulatory molecules, including microRNAs (miRNAs), and topographical heterogeneity in muscle origin.
  • Overlaps in genetic and embryological backgrounds between head and heart muscles are increasingly recognized.

Purpose of the Study:

  • To review early skeletal muscle research and recent findings in myogenesis.
  • To explore the topographical heterogeneity of skeletal muscle origin and its implications.
  • To discuss advancements in muscle stem cell biology, focusing on satellite cells and their therapeutic potential for muscular dystrophies.

Main Methods:

  • Review of existing literature on skeletal muscle development and regeneration.

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Last Updated: May 21, 2026

Minimally Invasive Muscle Embedding (MIME) - A Novel Experimental Technique to Facilitate Donor-Cell-Mediated Myogenesis
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  • Analysis of recent findings on myogenesis, regulatory molecules (miRNAs), and topographical heterogeneity.
  • Examination of muscle stem cell biology, satellite cell characteristics, and their role in regeneration.

    • Main Results:

    • Skeletal muscle groups exhibit topographical heterogeneity in embryonic origin, influencing susceptibility to muscular dystrophies and regeneration potential.
    • Satellite cells are identified as a primary source of muscle stem cells with significant regenerative capacity.
    • Recent insights reveal heterogeneity within satellite cells regarding expression profiles and regenerative potential, alongside their motility.

    Conclusions:

    • Embryonic origin heterogeneity in skeletal muscle is reflected in disease susceptibility and regeneration capabilities.
    • Understanding the heterogeneous nature and motility of satellite cells is crucial for advancing stem cell replacement therapies.
    • Improved knowledge of muscle stem cells and satellite cells in their microenvironment offers promise for treating muscular dystrophies.