Article
Spinal muscular atrophies.
Handbook of clinical neurology - 1 Jan 2013
Viollet Louis, Melki Judith
Abstract excerpt
Spinal muscular atrophies (SMA) are genetic disorders characterized by degeneration of lower motor neurons. The most frequent form is caused by mutations of the survival motor neuron 1 gene (SMN1). The identification of this gene greatly improved diagnostic testing and family-planning options of SMA families. SMN plays a key role in metabolism of RNA. However, the link between RNA metabolism and motor neuron...
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