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Formation of Muscle Fibers from Myoblasts

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...

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Related Experiment Video

Updated: Jun 5, 2026

Live-cell Imaging and Quantitative Analysis of Embryonic Epithelial Cells in Xenopus laevis

Live-cell Imaging and Quantitative Analysis of Embryonic Epithelial Cells in Xenopus laevis

Published on: May 23, 2010

Myogenesis in Xenopus laevis.

T Mohun¹, R Wilson, E Gionti

¹Laboratory of Developmental Biochemistry, National Institute for Medical Research, The Ridgeway, Mill Hill, London NW7 1AA, England.

Trends in Cardiovascular Medicine

|January 20, 2011

Summary

This summary is machine-generated.

Amphibian embryos, particularly Xenopus, offer a powerful model for studying muscle development. Researchers can investigate the origins and differentiation of axial, cardiac, and skeletal muscle using embryological and molecular techniques.

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Area of Science:

Developmental biology
Molecular biology
Embryology

Background:

The amphibian embryo is a valuable model for studying myogenesis.
Early stages of axial and cardiac muscle formation are accessible for study.

Purpose of the Study:

To review the origins of skeletal and cardiac muscle in Xenopus embryos.
To discuss molecular markers for muscle differentiation.
To explore the use of embryo explants in studying myogenesis regulation.

Main Methods:

Review of existing embryological and molecular studies.
Analysis of molecular markers for muscle differentiation.
Utilizing Xenopus embryo explants.

Main Results:

Detailed review of skeletal and cardiac muscle origins in Xenopus.
Identification of key molecular markers for muscle differentiation.
Demonstration of embryo explants for studying myogenesis regulation.

Conclusions:

The Xenopus embryo is a suitable model for myogenesis research.
Molecular and embryological approaches are effective for studying muscle development.
Embryo explants aid in understanding the regulation of muscle formation.