Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2023
Early-onset motor polyneuropathy associated with a novel dominant NAGLU mutation.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Lopergolo Diego, Salvatore Simona, Sorrentino Vincenzo, Malandrini Alessandro, Santorelli Filippo Maria, Battisti Carla
Аннотация
INTRODUCTION: NAGLU encodes N-acetyl-alpha-glucosaminidase, an enzyme that degrades heparan sulfate. Biallelic NAGLU mutations cause mucopolysaccharidosis IIIB, a severe childhood-onset neurodegenerative disease, while monoallelic mutations are associated to late-onset, dominantly inherited painful sensory neuropathy. However, to date, only one family with a dominant NAGLU-related neuropathy has been described.
CASE REPORT: Here we describe a patient with early-onset motor polyneuropathy harboring a novel monoallelic NAGLU mutation. We found reduced NAGLU enzymatic activity thus corroborating the pathogenic role of the new variant.
DISCUSSION: Our report represents the second ever described case with dominant NAGLU-related neuropathy and the first case with early-onset motor symptoms. We underlie the importance of a thorough clinical description of this probably underestimated new clinical entity.
CASE REPORT: Here we describe a patient with early-onset motor polyneuropathy harboring a novel monoallelic NAGLU mutation. We found reduced NAGLU enzymatic activity thus corroborating the pathogenic role of the new variant.
DISCUSSION: Our report represents the second ever described case with dominant NAGLU-related neuropathy and the first case with early-onset motor symptoms. We underlie the importance of a thorough clinical description of this probably underestimated new clinical entity.