Journal
NEUROLOGIC CLINICS
Volume 33, Issue 4, Pages 831-+Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ncl.2015.07.004
Keywords
Spinal muscular atrophy; Motor neuron; Survival motor neuron gene; SMN1; SMN2
Categories
Funding
- NIH [K08NS067282, U01NS079163]
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Spinal muscular atrophy is an autosomal-recessive disorder characterized by degeneration of motor neurons in the spinal cord and caused by mutations in the survival motor neuron 1 gene, SMN1. The severity of SMA is variable. The SMN2 gene produces a fraction of the SMN messenger RNA (mRNA) transcript produced by the SMN1 gene. There is an inverse correlation between SMN2 gene copy number and clinical severity. Clinical management focuses on multidisciplinary care. Preclinical models of SMA have led to an explosion of SMA clinical trials that hold great promise of effective therapy in the future.
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