Tension in Growing Muscle Tissue

Via ScienceDaily: researchers "have found a simple way to grow muscle tissue with real muscle structure in the laboratory. They found that the muscle cells automatically align themselves if they are subjected to tension in one direction - this is essential for the ability of the muscle cells to exert a force. The endothelial (blood vessel) cells in the culture also automatically grouped themselves to form new blood vessels. This finding is a step forward towards the engineering of thicker muscle tissue. ... Another important aspect of the finding is that it was not necessary to add any biochemical growth factors to initiate the process. These substances are normally required for processes of this kind, but their action is difficult to control. ... Measurements by the researchers showed that the muscle cells produced the required growth factor themselves, as a result of the tension to which they were subjected. ... The aim of the research is ultimately to allow the treatment of people who have lost muscle tissue, for example through accidents or surgery to remove tumors."

Link: http://www.sciencedaily.com/releases/2011/08/110819080957.htm

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