Adult Stem Cells and Skeletal Muscle Regeneration

Author(s): Domiziana Costamagna, Emanuele Berardi, Gabriele Ceccarelli and Maurilio Sampaolesi

Volume 15, Issue 4, 2015

Page: [348 - 363] Pages: 16

DOI: 10.2174/1566523215666150630121024

Price: $65


Satellite cells are unipotent stem cells involved in muscle regeneration. However, the skeletal muscle microenvironment exerts a dominant influence over stem cell function. The cell intrinsic complexity of the skeletal muscle niche located within the connective tissue between fibers includes motor neurons, tendons, blood vessels, immune response mediators and interstitial cells. All these cell types modulate the trafficking of stimuli responsible of muscle fiber regeneration. In addition, several stem cell types have been discovered in skeletal muscle tissue, mainly located in the interstitium. The majority of these stem cells appears to directly contribute to myogenic differentiation, although some of them are mainly implicated in paracrine effects. This review focuses on adult stem cells, which have been used for therapeutic purposes, mainly in animal models of chronic muscle degeneration. Emerging literature identifies other myogenic progenitors generated from pluripotent stem cells as potential candidates for the treatment of skeletal muscle degeneration. However, adult stem cells still represent the gold standard for future comparative studies.

Keywords: Adult stem cells, Muscular dystrophy, Skeletal muscle regeneration.

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