SALLA DISEASE | |
SIALURIA, FINNISH TYPE | |
604369
OMIM = Online Mendelian Inheritance of Men | |
309334 | |
Sialin | |
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6q13 |
|
E77.8 | |
rare (~ 90 cases, 1:7000 northern Finland) autosomal recessive mutation in the SLC17A5 gene Sialic acid storage diseases: - severe infantile form (ISSD, OMIM 269920) - slowly progressive(Salla disease, OMIM 604369) | |
Laboratory findings | N-Acetylaspartylglutamate inc (cerebrospinal fluid) Sialic acid/N-Acetylneuraminic acid inc (urine) Sialic acid/N-Acetylneuraminic acid inc (fibroblasts) |
Symptoms | ataxia athetosis coarse facial features defect of walking, running, rising or climbing developmental delay dysarthria EEG abnormalities [-] growth retardation, poor growth hepatomegaly (large liver) hernia hypertonia, spasticity hypotonia mental retardation motor retardation MRI, brain, abnormalities [-] normal at birth nystagmus onset, childhood onset, infancy seizures speech development, delayed, abnormal |