期刊
BIOTECHNOLOGY PROGRESS
卷 31, 期 4, 页码 997-1003出版社
WILEY
DOI: 10.1002/btpr.2063
关键词
muscle; satellite cells; in vitro; serum-free; electrophysiology
资金
- NIH [R01NS050452, R01EB005459, R01EB009429]
This manuscript describes the development of a culture system whereby mature contracting myotubes were formed from adult rat derived satellite cells. Satellite cells, extracted from the Tibialis Anterior of adult rats, were grown in defined serum-free growth and differentiation media, on a nonbiological substrate, N-1[3-trimethoxysilyl propyl] diethylenetriamine. Myotubes were evaluated morphologically and immunocytochemically, using MyHC specific antibodies, as well as functionally using patch clamp electrophysiology to measure ion channel activity. Results indicated the establishment of the rapid expression of adult myosin isoforms that contrasts to their slow development in embryonic cultures. This culture system has applications in the understanding and treatment of age-related muscle myopathy, muscular dystrophy, and for skeletal muscle engineering by providing a more relevant phenotype for both in vitro and in vivo applications. (c) 2015 American Institute of Chemical Engineers Biotechnol. Prog., 31:997-1003, 2015
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