Duchenne muscular dystrophy, a genetic disease characterized by progressive muscle weakness, is present at birth in people who have the condition. In people with Duchenne, the muscles lack a protein called dystrophin, which is critical for muscle function and repair. While all people with Duchenne share a lack of or defective dystrophin, the condition can … Continue reading What Causes Duchenne Muscular Dystrophy? UF Researcher Explains