An Italian cohort study identifies four new pathologic mutations in the ARSA gene.

Abstract excerpt

Metachromatic leukodystrophy is an autosomal recessive neurodegenerative disorder of the myelin metabolism due to the impaired function of the lysosomal enzyme arylsulfatase A. Three major clinical variants of metachromatic leukodystrophy (MLD) have been described: late infantile, juvenile, and late onset. The infantile form, whose clinical onset is usually before the age of 2 years, is the most frequent. The...

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