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Salla disease

Disease Summary
Associated Targets (2)
Tbio

2


GARD Rare
Mondo Description Salla disease is the mildest form of the free sialic acid storage disorders, which primarily affect the nervous system. Infants with Salla disease typically begin to experience poor muscle tone (hypotonia) during the first year of life,followed by slowly progressive neurological problems. Signs and symptoms include intellectual disability and developmental delay; seizures ; ataxia ; muscle spasticity; and involuntary slow movements of the limbs (athetosis). About one-third of affected children learn to walk. It is caused by mutations in the SLC17A5 gene and is inherited in an autosomal recessive manner. Treatment is generally symptomatic and supportive.
Uniprot Description Sialic acid storage disease (SASD). SASDs are autosomal recessive neurodegenerative disorders characterized by hypotonia, cerebellar ataxia and mental retardation. They are caused by a defect in the metabolism of sialic acid which results in increased urinary excretion of unconjugated sialic acid, specifically N-acetylneuraminic acid. Enlarged lysosomes are seen on electron microscopic studies. Clinical symptoms of SD present usually at age less than 1 year and progression is slow.
Mondo Term and Equivalent IDs
MONDO:0011449:  Salla disease
GARD:0004754: 
NCIT:C85067: 
Orphanet:309334: 
SCTID:87074006: 
UMLS:C1096903: