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Related Experiment Video

Updated: Mar 12, 2026

Isolation, Culture, and Transplantation of Muscle Satellite Cells

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Published on: April 8, 2014

Neonatal Satellite Cells Form Small Myotubes In Vitro.

P L Carvajal Monroy¹, S Grefte², A M Kuijpers-Jagtman¹

¹1 Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands.

Journal of Dental Research

|November 19, 2016

Summary

This summary is machine-generated.

Satellite cells (SCs) in head muscles of young rats show delayed differentiation and reduced myotube formation compared to limb muscles. Neonatal SCs proliferate more but fuse less efficiently, impacting muscle regeneration in cleft palate patients.

Keywords:

cleft palate cranio-maxillofacial surgery craniofacial anomalies craniofacial biology/genetics muscle biology stem cells

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Last Updated: Mar 12, 2026

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Single Myofiber Isolation and Culture from a Murine Model of Emery-Dreifuss Muscular Dystrophy in Early Post-Natal Development

Single Myofiber Isolation and Culture from a Murine Model of Emery-Dreifuss Muscular Dystrophy in Early Post-Natal Development

Published on: July 1, 2020

Area of Science:

Muscle regeneration
Stem cell biology
Developmental biology

Background:

Cleft palate surgery often fails to restore normal speech due to poor muscle regeneration.
Hypothesis: Intrinsic properties of head satellite cells (SCs) and patient age impair muscle repair post-surgery.

Purpose of the Study:

Investigate age-dependent differences in rat head (branchiomeric) and limb (somite-derived) muscle satellite cells.
Compare SC marker expression, proliferation, differentiation, and fusion potential ex vivo and in vitro.

Main Methods:

Analyzed ex vivo muscle tissue (masseter, levator veli palatini, digastric, extensor digitorum longus) from neonatal and young rats.
Cultured SCs from these muscles for 5, 7, and 9 days.
Assessed SC marker expression, proliferation, and fusion index (myotube formation) in vitro.

Main Results:

Head muscles predominantly contain fast myosin heavy chain fibers; SC numbers are higher in neonatal rats.
In vitro, young head muscle SCs exhibit delayed differentiation and later proliferation compared to limb SCs.
Neonatal SCs show higher proliferation but significantly lower fusion index than young SCs.

Conclusions:

Head muscle SCs differ from limb SCs, particularly in delayed differentiation.
Neonatal SCs are less efficient at forming myotubes than young SCs.
Age-dependent SC properties require consideration for clinical applications in cleft palate repair.