Asfour and Emad I. Abstract: Adult skeletal muscle is a post-mitotic terminally differentiated tissue that possesses an immense potential for regeneration after injury. This regeneration can be achieved by adult stem cells named satellite cells that inhabit the muscular tissue. These cells were first identified in and were described as being wedged between the plasma membrane of the muscle fiber and the surrounding basement membrane.
Since their discovery, many researchers investigated their embryological origin and the exact role they play in muscle regeneration and repair. Under normal conditions, satellite cells are retained in a quiescent state and when required, these cells are activated to proliferate and differentiate to repair pre-existing muscle fibers or to a lesser extent fuse with each other to form new myofibers.
During skeletal muscle regeneration, satellite cell actions are regulated through a cascade of complex signaling pathways that are influenced by multiple extrinsic factors within the satellite cell micro-environment. Here, the basic concepts were studied about satellite cells, their development, function, distribution and the different cellular and molecular mechanisms that regulate these cells.
The recent findings about some of their clinical applications and potential therapeutic use were also discussed.
How to cite this article: Raed S. Said, Ayman G.
Plasticity of Skeletal Muscle_ From Molecular Mechanism to Clinical Applications 2017
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