ALPHA-N-ACETYLGALACTOSAMINIDASE DEFICIENCY TYPE II: , KANZAKI DISEASE | |
ALPHA-GALACTOSIDASE B; ALPHA-N-ACETYLGALACTOSAMINIDASE DEFICIENCY | |
609242
OMIM = Online Mendelian Inheritance of Men | |
79280 | |
Alpha-N-acetylgalactosaminidase | |
3.2.1.49 | |
22q13.2 |
|
E77.1 | |
rare autosomal recessive mutation in the gene encoding alpha-N-galactosaminidase (NAGA) type I: Schindler disease, infantile onset neuroaxonal dystrophy type II:Kanzaki disease, adult-onset peripheral neuroaxonal degeneration, angiokeratoma corporis diffusum and mild intellectual impairment type II: intermdiate form | |
Laboratory findings | alpha-N-Acetylgalactosaminidase dec (plasma) alpha-N-Acetylgalactosaminidase dec (lymphoblasts) alpha-N-Acetylgalactosaminidase dec (fibroblasts) Glycopeptides inc (urine) Lymphocytes, vacuoles (blood) Oligosaccharides inc (urine) |
Symptoms | angiokeratoma cardiomegaly coarse facial features hearing defect, deafness hyperkeratosis lymyphedema mental retardation muscle weakness onset, adulthood peripheral neuropathy skin, abnormal vertigo, dizziness |