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- Title
Spinale Muskelatrophie.
- Authors
Martin, Pascal; Horber, Veronka; Park, Joohyun; Kronlage, Cornelius; Grimm, Alexander
- Abstract
Spinal muscular atrophy (SMA) is an autosomal recessive disease caused by biallelic mutations in the SMN1 (survival motor neuron 1) gene on chromosome 5q13.2, which leads to a progressive degeneration of alpha motor neurons in the spinal cord and in motor nerve nuclei in the caudal brainstem. It is characterized by progressive proximally accentuated muscle weakness with loss of already acquired motor skills, areflexia and, depending on the phenotype, varying degrees of weakness of the respiratory and bulbar muscles, although the facial muscles and eye muscles are not affected. The previously purely symptom-oriented treatment has undergone a significant expansion since 2017 with the approval of three drugs (nusinersen, onasemnogene abeparvovec and risdiplam) that modify the course of the disease at the gene expression level and have led to a change in the natural disease course of SMA. The effect of these new forms of treatment can only be fully assessed in the coming years. New aspects and challenges in this context are discussed in this article.
- Subjects
DISEASE progression; GENES
- Publication
Der Nervenarzt, 2022, Vol 93, Issue 2, p191
- ISSN
0028-2804
- Publication type
Article
- DOI
10.1007/s00115-021-01256-0