Muscular dystrophy (DM) is a rare hereditary group of diseasescharacterized by progressive deterioration of the muscles of the body, involving muscle weakness and disability.
Muscular dystrophy is reflected by progressive muscle weakness, especially skeletal muscles (controlled by the brain voluntarily). Asthe disease, necrotic muscle fibers are replaced by connectivetissue and fat. In some forms of muscular dystrophy affectedmyocardium and other muscles are involuntary (smooth) and otherorgans.
Each in its different forms in terms of onset, course of disease andhereditary transmission mode. The most common types areDuchenne muscular dystrophy (DMD) and Becker musculardystrophy (DMB) that affects only male subjects. They are caused by genetic deficiency of a protein called dystrophin.
There is no cure for muscular dystrophy, with only existing drugsand therapies designed to slow the progression.
Muscular dystrophy is rare. Among infants alive, only 0.02% -0.03% will suffer from Duchenne muscular dystrophy, while 0.003%suffering from Becker dystrophy.
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