Muscular dystrophy (MD) refers to a group of hereditary muscle diseases that weaken the muscles that move the human body. Muscular dystrophies are characterized by progressive skeletal muscle weakness, defects in muscle proteins, and the death of muscle cells and tissue. Nine diseases including Duchenne, Becker, limb girdle, congenital, facioscapulohumeral, myotonic, oculopharyngeal, distal, and Emery-Dreifuss are always classified as muscular dystrophy.
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[News]
Manipulating Muscle Stem Cells To Treat Muscular Dystrophy
Under normal circumstances, adult stem cells reside in muscle tissue, where they can differentiate into a number of different cell types. After an injury (or even a tough workout), muscles are inflamed as cells and molecules flood the area to control damage and begin repairs. When called upon to replace muscle tissue damaged by injury or genetic disease, some muscle stem cells differentiate, becoming new muscle cells, while others make more stem cells.
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[News]
Human Protein Improves Muscle Function of Muscular Dystrophy Mice
A novel potential therapy based on a natural human protein significantly slows muscle damage and improves function in mice who have the same genetic mutation as boys with the most common form of muscular dystrophy, according to a paper published online Dec. 27 in the Proceedings of the National Academy of Sciences.
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[News]
Acceleron Pharma Receives FDA Orphan Designation For ACE-031 For The Treatment Of Duchenne Muscular Dystrophy
Acceleron Pharma, Inc., a biopharmaceutical company developing novel therapeutics that modulate the growth of cells and tissues including muscle, bone, fat, red blood cells and the vasculature, today announced the United States Food and Drug Administration (FDA) granted orphan designation for ACE-031 for the treatment of Duchenne Muscular Dystrophy (DMD), a fatal neuromuscular disease in which patients experience a progressive loss of muscle mass and strength. ACE-031 is an investigational protein therapeutic being developed to increase muscle mass and strength.
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[Research & Advances]
Researchers Trace Effects of Genetic Defect in Myotonic Muscular Dystrophy
Research on the genetic defect that causes myotonic muscular dystrophy has revealed that the mutation disrupts an array of metabolic pathways in muscle cells through its effects on two key proteins. A study published in Nature Structural & Molecular Biology shows that the loss of a single protein accounts for most of the molecular abnormalities associated with the disease, while loss of a second protein also seems to play an important role.
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