Jokela type spinal muscular atrophy

Medical condition

Jokela type spinal muscular atrophy (SMAJ), also known as late-onset spinal motor neuronopathy (LOSMoN), is an ultra-rare neuromuscular disorder characterized by muscle twitches and cramps. The symptoms appear in adulthood and gradually progress. The disease is caused by a mutation in the CHCHD10 gene and is inherited in an autosomal dominant pattern. It was first described by the Finnish neurologist Manu Jokela in 2011.

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