What is myotonic disease?
What is myotonic disease? Myotonic dystrophy is an inherited type of muscular dystrophy that affects the muscles and other body systems. People who have myotonic dystrophy have muscle wasting and weakness in their lower legs, hands, neck and face that get worse over time. What causes Steinert disease? Type 1 DM (DM1), long known as Steinert disease, occurs when a gene on chromosome 19 called DMPK contains an abnormally expanded section located close to the regulation region of another gene, SIX5. How does someone get myotonic dystrophy? Myotonic dystrophy (DM) is inherited in an autosomal dominant pattern. This means that...