Neuronal ceroid lipofuscinosis 2
- Synonyms
- CLN2 Disease; JANSKY-BIELSCHOWSKY DISEASE NEURONAL CEROID LIPOFUSCINOSIS, LATE INFANTILE; TPP1-Related Neuronal Ceroid-Lipofuscinosis
- Modes of inheritance
- Autosomal recessive inheritance (Orphanet)
Summary
Available tests
Check Related conditions for additional relevant tests.
Clinical tests (87 available)
Biochemical Genetics Tests
Clinical features
Help- Abnormal cellular phenotype
- Curvilinear intracellular accumulation of autofluorescent lipopigment storage material
Curvilinear intracellular accumulation of autofluorescent lipopigment storage material
- MedGen UID: 323011
- Concept ID: C1836852
- Finding: Finding
Abnormal cellular phenotype
- Curvilinear intracellular accumulation of autofluorescent lipopigment storage material
- Abnormality of metabolism/homeostasis
- Reduced tissue tripeptidyl peptidase 1 activity
Reduced tissue tripeptidyl peptidase 1 activity
- MedGen UID: 1052618
- Concept ID: CN377403
- Finding: Finding
Abnormality of metabolism/homeostasis
- Reduced tissue tripeptidyl peptidase 1 activity
- Abnormality of the eye
- Progressive visual loss
Progressive visual loss
- MedGen UID: 326867
- Concept ID: C1839364
- Finding: Finding
Abnormality of the eye
- Retinal degeneration
Retinal degeneration
- MedGen UID: 48432
- Concept ID: C0035304
- Finding: Finding
Abnormality of the eye
- Undetectable electroretinogram
Undetectable electroretinogram
- MedGen UID: 383742
- Concept ID: C1855685
- Finding: Finding
Abnormality of the eye
- Progressive visual loss
- Abnormality of the nervous system
- Abnormal nervous system electrophysiology
Abnormal nervous system electrophysiology
- MedGen UID: 867410
- Concept ID: C4021781
- Finding: Pathologic Function
Abnormality of the nervous system
- Cerebellar ataxia
Cerebellar ataxia
- MedGen UID: 849
- Concept ID: C0007758
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Cerebral atrophy
Cerebral atrophy
- MedGen UID: 116012
- Concept ID: C0235946
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Delayed speech and language development
Delayed speech and language development
- MedGen UID: 105318
- Concept ID: C0454644
- Finding: Finding
Abnormality of the nervous system
- Developmental regression
Developmental regression
- MedGen UID: 324613
- Concept ID: C1836830
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Increased extraneuronal autofluorescent lipopigment
Increased extraneuronal autofluorescent lipopigment
- MedGen UID: 347957
- Concept ID: C1859828
- Finding: Finding
Abnormality of the nervous system
- Increased neuronal autofluorescent lipopigment
Increased neuronal autofluorescent lipopigment
- MedGen UID: 892355
- Concept ID: C4025728
- Finding: Finding
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
- Abnormal nervous system electrophysiology
IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.