Spinal Muscular Atrophy
What is Spinal Muscular Atrophy?
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Spinal muscular atrophy (SMA) is a genetic disease that attacks nerve cells, called motor neurons, in your spinal cord. These neurons communicate with your voluntary muscles - the ones you can control, like in your arms and legs. As you lose the neurons, your muscles weaken. This can affect walking, crawling, breathing, swallowing and head and neck control.
SMA runs in families. Parents usually have no symptoms, but still carry the gene. Genetic counseling is important if the disease runs in your family.
There are many types of SMA, and some of them are fatal. Life expectancy depends on the type you have and how it affects your breathing. There is no cure. Medicines and physical therapy help treat symptoms.
National Institute of Neurological Disorders and Stroke
Related Spinal Muscular Atrophy Images and Links
Spinal muscular atrophy - Genetics Home Reference Spinal muscular atrophy is a disorder that affects the control of muscle movement. It is caused by a loss of specialized nerve cells, called motor neurons ... Read MoreSpinal muscular atrophy - PubMed Health - National Center for ... Causes, incidence, and risk factors. Spinal muscular atrophy (SMA) is a collection of different muscle diseases. Grouped together, it is the second leading ... Read More
Spinal Muscular Atrophy: MedlinePlus Spinal muscular atrophy (SMA) is a genetic disease that attacks nerve cells, called motor neurons, in your spinal cord. These neurons communicate with your voluntary ... Read More
Spinal Muscular Atrophy - GeneReviews - NCBI Bookshelf Disease characteristics. Spinal muscular atrophy (SMA) is characterized by progressive muscle weakness resulting from degeneration and loss of the anterior horn cells ... Read More
Spinal Muscular Atrophy Information Page: National Institute of ... Spinal muscular atrophy (SMA) information page compiled by the National Institute of Neurological Disorders and Stroke (NINDS). Read More
Spinal muscular atrophy Spinal muscular atrophy (SMA) is an autosomal recessive neuromuscular disease characterized by degeneration of alpha motor neurons in the spinal cord ... Read More
Spinal muscular atrophy: MedlinePlus Medical Encyclopedia Spinal muscular atrophy is a group of inherited diseases that cause progressive muscle degeneration and weakness, eventually leading to death. Causes ... Read More
Spinal muscular atrophy: mechanisms and therapeutic strategies Spinal muscular atrophy (SMA) is an autosomal recessive neurodegenerative disorder and a leading genetic cause of infantile mortality. SMA is caused by mutation or ... Read More
Spinal Muscular Atrophy: New and Emerging Insights from Model Mice Spinal muscular atrophy (SMA) is a common and often fatal neurodegenerative disease that primarily afflicts infants and young children. SMA is caused by abnormally ... Read More
Spinal Muscular Atrophy: Why do low levels of SMN make motor ... Many neurogenetic disorders are caused by the mutation of ubiquitously expressed genes. Spinal muscular atrophy is one such disorder and is caused by loss or mutation ... Read More
