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Patient Education

Duchenne Muscular Dystrophy: Symptoms, Diagnosis, Treatment

key information

source: McMaster Children's Hospital (Hamilton Health Sciences)


Muscular Dystrophy is a group of inherited muscle disorders, in which muscles weaken over time. Duchenne muscular dystrophy is the most common form of muscular dystrophy. It occurs in about 1 out of 3,500 live male births.

Duchenne Muscular Dystrophy is caused by a change (mutation) of the gene that makes a protein called dystrophin. This protein is needed for muscle cells to keep their shape and work properly. An abnormal gene cannot make this protein and without it, muscle cells collapse and die. This causes the symptoms of DMD to develop.


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