Regulation of Muscle Mass by Follistatin and Activins

Department of Molecular Biology and Genetics (S.-J.L., Y.-S.L.) and Departments of Pediatrics and Neurology (A.S., R.D.C.), McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205; Departments of Surgery and Cell Biology and Anatomy (T.A.Z.), University of Miami Miller School of Medicine, Miami, Florida 33136; Departments of Pathology and Immunology (M.M.M.), Molecular and Human Genetics, and Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030; Division for Therapies against Intractable Diseases (K.T.), Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Aichi 470-1192, Japan; and Department of Anatomy and Cell Biology (E.R.B.), University of Pennsylvania School of Dental Medicine, Philadelphia, Pennsylvania 19104