Alpha-N-acetylgalactosaminidase deficiency type 1
- Synonyms
- ALPHA-N-ACETYLGALACTOSAMINIDASE DEFICIENCY, TYPE I; NAGA DEFICIENCY, TYPE I; NAGA deficiency, type 1; Neuroaxonal dystrophy, Schindler type; SCHINDLER DISEASE, TYPE I; Schindler Disease; Schindler disease, type 1
- Modes of inheritance
- Autosomal recessive inheritance (Orphanet)
Summary
Available tests
Check Related conditions for additional relevant tests.
Clinical tests (42 available)
Biochemical Genetics Tests
Clinical features
Help- Abnormality of metabolism/homeostasis
- Reduced alpha-N-acetylgalactosaminidase activity in cultured fibroblasts
Reduced alpha-N-acetylgalactosaminidase activity in cultured fibroblasts
- MedGen UID: 1050855
- Concept ID: CN375673
- Finding: Finding
Abnormality of metabolism/homeostasis
- Reduced alpha-N-acetylgalactosaminidase activity in cultured fibroblasts
- Abnormality of the eye
- Cerebral visual impairment
Cerebral visual impairment
- MedGen UID: 890568
- Concept ID: C4048268
- Finding: Pathologic Function
Abnormality of the eye
- Nystagmus
Nystagmus
- MedGen UID: 45166
- Concept ID: C0028738
- Finding: Disease or Syndrome
Abnormality of the eye
- Optic atrophy
Optic atrophy
- MedGen UID: 18180
- Concept ID: C0029124
- Finding: Disease or Syndrome
Abnormality of the eye
- Strabismus
Strabismus
- MedGen UID: 21337
- Concept ID: C0038379
- Finding: Disease or Syndrome
Abnormality of the eye
- Cerebral visual impairment
- Abnormality of the genitourinary system
- Increased urinary O-linked sialopeptides
Increased urinary O-linked sialopeptides
- MedGen UID: 373111
- Concept ID: C1836533
- Finding: Finding
Abnormality of the genitourinary system
- Increased urinary O-linked sialopeptides
- Abnormality of the musculoskeletal system
- Generalized amyotrophy
Generalized amyotrophy
- MedGen UID: 234650
- Concept ID: C1389113
- Finding: Disease or Syndrome
Abnormality of the musculoskeletal system
- Generalized hypotonia
Generalized hypotonia
- MedGen UID: 346841
- Concept ID: C1858120
- Finding: Finding
Abnormality of the musculoskeletal system
- Hypotonia
Hypotonia
- MedGen UID: 10133
- Concept ID: C0026827
- Finding: Finding
Abnormality of the musculoskeletal system
- Osteopenia
Osteopenia
- MedGen UID: 18222
- Concept ID: C0029453
- Finding: Disease or Syndrome
Abnormality of the musculoskeletal system
- Generalized amyotrophy
- Abnormality of the nervous system
- Developmental regression
Developmental regression
- MedGen UID: 324613
- Concept ID: C1836830
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Global developmental delay
Global developmental delay
- MedGen UID: 107838
- Concept ID: C0557874
- Finding: Finding
Abnormality of the nervous system
- Hyperreflexia
Hyperreflexia
- MedGen UID: 57738
- Concept ID: C0151889
- Finding: Finding
Abnormality of the nervous system
- Intellectual disability, severe
Intellectual disability, severe
- MedGen UID: 48638
- Concept ID: C0036857
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Myoclonus
Myoclonus
- MedGen UID: 10234
- Concept ID: C0027066
- Finding: Finding
Abnormality of the nervous system
- Seizure
Seizure
- MedGen UID: 20693
- Concept ID: C0036572
- Finding: Sign or Symptom
Abnormality of the nervous system
- Spasticity
Spasticity
- MedGen UID: 7753
- Concept ID: C0026838
- Finding: Sign or Symptom
Abnormality of the nervous system
- Developmental regression
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