ALAMEDA, Calif.--(BUSINESS WIRE)--BioTime, Inc. (NYSE Amex: BTX) today announced that it has elected to market progenitors of muscle stem cells bearing hereditary diseases. BioTime will produce the products from five human embryonic stem (hES) cell lines from Reproductive Genetics Institute (RGI) of Chicago, Illinois. The muscle cell lines will display the genes for Duchenne muscular dystrophy, Emery-Dreifuss muscular dystrophy, spinal muscular atrophy Type I, facioscapulohumeral muscular dystrophy 1A, and Becker muscular dystrophy. The cell lines will be marketed researchers seeking new treatment modalities for these diseases.