Document Detail


Regulatory factors and cell populations involved in skeletal muscle regeneration.
MedLine Citation:
PMID:  20232319     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Skeletal muscle regeneration is a complex process, which is not yet completely understood. Satellite cells, the skeletal muscle stem cells, become activated after trauma, proliferate, and migrate to the site of injury. Depending on the severity of the myotrauma, activated satellite cells form new multinucleated myofibers or fuse to damaged myofibers. The specific microenvironment of the satellite cells, the niche, controls their behavior. The niche contains several components that maintain satellite cells quiescence until they are activated. In addition, a great diversity of stimulatory and inhibitory growth factors such as IGF-1 and TGF-beta1 regulate their activity. Donor-derived satellite cells are able to improve muscle regeneration, but their migration through the muscle tissue and across endothelial layers is limited. Less than 1% of their progeny, the myoblasts, survive the first days upon intra-muscular injection. However, a range of other multipotent muscle- and non-muscle-derived stem cells are involved in skeletal muscle regeneration. These stem cells can occupy the satellite cell niche and show great potential for the treatment of skeletal muscle injuries and diseases. The aim of this review is to discuss the niche factors, growth factors, and other stem cells, which are involved in skeletal muscle regeneration. Knowledge about the factors regulating satellite cell activity and skeletal muscle regeneration can be used to improve the treatment of muscle injuries and diseases.
Authors:
Roel W Ten Broek; Sander Grefte; Johannes W Von den Hoff
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Journal of cellular physiology     Volume:  224     ISSN:  1097-4652     ISO Abbreviation:  J. Cell. Physiol.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-04-30     Completed Date:  2010-05-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0050222     Medline TA:  J Cell Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7-16     Citation Subset:  IM    
Copyright Information:
(c) 2010 Wiley-Liss, Inc.
Affiliation:
Department of Orthodontics and Oral Biology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Differentiation
Cell Movement
Cell Proliferation*
Cell Survival
Hematopoietic Stem Cells / metabolism
Humans
Multipotent Stem Cells / metabolism
Muscle, Skeletal / metabolism*,  pathology,  physiopathology
Myogenic Regulatory Factors / metabolism*
Regeneration*
Satellite Cells, Skeletal Muscle / metabolism*,  pathology
Signal Transduction*
Stem Cell Transplantation
Chemical
Reg. No./Substance:
0/Myogenic Regulatory Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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