Spinal muscular atrophy (SMA) is a progressive neuromuscular disorder caused by mutations in the survival motor neuron 1 (SMN1) gene. In this Primer, Mercuri et al. discuss the epidemiology, aetiology, diagnosis and screening, and treatment of SMA and its effect on patients’ lives.
- Eugenio Mercuri
- Charlotte J. Sumner
- Richard S. Finkel