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  • Title: Mutations in FUS are the most frequent genetic cause in juvenile sporadic ALS patients of Chinese origin.
    Author: Zou ZY, Liu MS, Li XG, Cui LY.
    Journal: Amyotroph Lateral Scler Frontotemporal Degener; 2016; 17(3-4):249-52. PubMed ID: 26972116.
    Abstract:
    Juvenile onset ALS is a very rare form of motor neuron disease, with the first symptoms of motor neuron degeneration manifested before 25 years of age. Mutations in the alsin (ALS2), senataxin (SETX), and spatacsin (SPG11) genes have been associated with familial ALS with juvenile onset and slow progression, whereas the genetic architecture of sporadic juvenile ALS remains unclear. We screened mutations in C9orf72, SOD1, FUS, TARDBP, ANG, VCP and PFN1 in 16 juvenile sporadic ALS patients. Four cases (25%) carrying FUS mutations and one individual (6%) harbouring a SOD1 mutation were identified. All cases had an aggressive disease course. Our results suggest that FUS mutations are the most frequent genetic cause in early-onset sporadic ALS patients of Chinese origin. Genetic testing of FUS should be performed in early-onset ALS patients especially those with an aggressive disease course.
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