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Adv Biol Regul. 2012 May;52(2):340-50. doi: 10.1016/j.jbior.2012.03.001. Epub 2012 Mar 30.

Secretomics for skeletal muscle cells: a discovery of novel regulators?

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  • 1Division of Molecular and Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Kyungbuk 790-784, Republic of Korea.


Metabolic tissues, including skeletal muscle, adipose tissue and the digestive system, dynamically secrete various factors depending on the metabolic state, communicate with each other and orchestrate functions to maintain body homeostasis. Skeletal muscle secretes cytokines such as interleukin-6 (IL-6), IL-15, fibroblast growth factor-21 (FGF21) and IL-8. These compounds, myokines, play important roles in biological homeostasis such as energy metabolism, angiogenesis and myogenesis. New technological advances have allowed secretomics - analysis of the secretome - to be performed. The application of highly sensitive mass spectrometry makes qualitative and quantitative analysis of the secretome of skeletal muscle possible. Secretory proteins derived from skeletal muscle cells under various conditions were analyzed, and many important factors were suggested. In-depth studies of the secretome from metabolic cells in various conditions are strongly recommended. This study will provide information on methods of novel communication between metabolic tissues.

Copyright © 2012 Elsevier Ltd. All rights reserved.

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