PHILADELPHIA – The National Institutes of Health (NIH) has renewed its funding to the Paul D. Wellstone Muscular Dystrophy Cooperative Research Center at the University of Pennsylvania School of Medicine. The new grant totals over $8 million for the next five years. The Center was established in 2005 to support muscular dystrophy research and is principally funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) and co-funded by the National Heart, Lung and Blood Institute. (NHLBI).
The Penn School of Medicine is one of six Wellstone Centers in the United States. Of the six original centers, the Penn Center was one of three to be renewed, and is directed by H. Lee Sweeney, PhD, chair of the Department of Physiology at Penn. All six Centers honor the memory of the late Senator Paul Wellstone, who was a champion of muscular-dystrophy research and issues in Congress.
“This award continues to be the nucleus of a larger translational-research initiative for muscular dystrophies at Penn,” says Sweeney.
Muscular Dystrophy (MD) is characterized by progressive weakness and degeneration of the skeletal or voluntary muscles that control movement. Researchers at the Wellstone Centers study various forms of MD, including Duchenne/Becker Muscular Dystrophy, Myotonic Dystrophy, Facioscapulohumeral Dystrophy, and Limb-Girdle Muscular Dystrophy.
The Penn Center focuses on the molecular questions behind the deterioration of muscle and its cellular scaffolding seen in MD. “What are the factors that lead to the failure of muscle to regenerate after repeated rounds of injury and repair?” asks Sweeney. “Why, eventually, is muscle replaced with fat and scar tissue instead of being repaired, leading to muscle wasting? What cells are the source of the fat and fibrosis? Understanding what goes wrong in repair is necessary for the success of future therapies, and in particular, eventual stem-cell therapies.”
An important component of the Center is a collaborative project based at the University of Florida to develop better MRI-based methodologies for imaging fat and fibrosis in a variety of human muscular dystophies. This is critical for the evaluation of future therapeutic interventions in the muscular dystrophies.
With the new funds, the Penn Center will also start a training core focused on educating the next generation of scientists and physicians in the research of muscle biology and MD. This core, co-directed by E. Michael Ostap, PhD, director of the Pennsylvania Muscle Institute (PMI) and professor of Physiology, will partner with the PMI and Penn’s existing NIAMS-sponsored training program to offer workshops and symposia starting in spring of 2011.
“We are excited about the new educational opportunities provided by this partnership for Penn Medicine, and also for the muscle community at-large via web-based dissemination of our programs,” says Ostap.
The Perelman School of Medicine has been ranked among the top five medical schools in the United States for the past 16 years, according to U.S. News & World Report's survey of research-oriented medical schools. The School is consistently among the nation's top recipients of funding from the National Institutes of Health, with $398 million awarded in the 2012 fiscal year.
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