Dr. H Sweeney

Biography

H. Lee Sweeney, Ph.D. is an Emeritus Professor of Physiology at the Perelman School of Medicine, University of Pennsylvania. His research primarily focuses on the molecular mechanisms of muscle contraction and the pathology associated with muscle diseases. Dr. Sweeney's investigations cover a wide array of topics, such as the role of molecular motors in muscle function and injury, striated muscle gene transfer, and the process of myofibrillogenesis. His research combines aspects of protein engineering and biochemical structural analyses, aiming to elucidate the fundamental principles that underpin muscle design and function. At the cellular level, his studies explore the mechanisms by which proteins generate and transmit force at the muscle cell membrane, as well as how contractile apparatus assembly occurs. Employing somatic gene transfer techniques, his work also assesses how acute alterations in cell structure and function result from the expression of single proteins, particularly in the context of muscle diseases like Duchenne muscular dystrophy and hypertrophic cardiomyopathy. Dr. Sweeney continues to contribute to advancements in understanding the adaptive responses of muscle cells through his innovative research techniques.

Research Interests