Duchenne and Becker Muscular Dystrophy (DMD and BMD)
Duchenne Muscular Dystrophy (DMD) and Becker Muscular Dystrophy (BMD) are rare X-linked recessive disorders characterized by progressive muscle degeneration and weakness due to the alterations of a protein called dystrophin.
People living with DMD are missing dystrophin completely and show symptoms in early childhood. People living with BMD have lower levels or a shorter version of dystrophin and present milder symptoms, later in life.
Males have only one X chromosome copy from their mother and one Y chromosome copy from their father. That is why mostly men and boys are affected. A woman with a genetic change in one of her two copies is said to be ‘a carrier’.
For more information on DMD and BMD please click here.
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