{"Name":"Neuronal ceroid lipofuscinosis 1","DiseaseID__c":"GARD:0001219","id":1219,"encodedName":"neuronal-ceroid-lipofuscinosis-1","IsDeleted":false,"Disease_Name_Full__c":"Neuronal ceroid lipofuscinosis 1","Xref_IDs__c":"720830009; C1850451; C85861; DOID:0110721; MEDGEN:340540; MONDO:0009744; OMIM:256730; ORPHA:228329","USA_Estimate__c":"50,000","No_of_Specialist_Tagsa__c":7,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":2,"World_Estimate__c":"80,000 to 800,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":2,"No_of_Disease_Descriptions__c":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0009744","Disease_Description__c":"A condition associated with mutation(s) in the PPT1 gene, encoding palmitoyl-protein thioesterase 1. The condition is one of a group of genetically heterogeneous neurodegenerative disorders, characterized by accumulation of intracellular lipopigments.","GARD_Name__c":"Neuronal ceroid lipofuscinosis 1","GARD_Synonym__c":"ceroid lipofuscinosis neuronal 1; ceroid lipofuscinosis, neuronal, 1; ceroid lipofuscinosis, neuronal, 1, variable age at onset; ceroid lipofuscinosis, neuronal, type 1; ceroid storage disease; cln1; cln1 disease; cln1 variable age at onset; neuronal ceroid lipofuscinosis 1 variable age of onset; neuronal ceroid lipofuscinosis caused by mutation in ppt1; neuronal ceroid lipofuscinosis type 1; ppt1 neuronal ceroid lipofuscinosis; ppt1-related neuronal ceroid-lipofuscinosis","Curated_Disease_Description_Source__c":"MONDO:0009744","Curated_Disease_Description__c":"A condition associated with mutation(s) in the PPT1 gene, encoding palmitoyl-protein thioesterase 1. The condition is one of a group of genetically heterogeneous neurodegenerative disorders, characterized by accumulation of intracellular lipopigments.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"50,000","Age_at_Onset_Snippet_Text__c":"as an Infant","SourceID__c":"ORPHA:228329","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0009744","ORPHANET_ID__c":"ORPHA:228329","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Enfermedad cln1","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"enfermedad cln1","Spanish_GARD_Synonym__c":"lipofuscinosis ceroidea neuronal tipo 1; ncl1","Category_Linearization__c":"ORPHA:98006","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"A condition associated with mutation(s) in the PPT1 gene, encoding palmitoyl-protein thioesterase 1. The condition is one of a group of genetically heterogeneous neurodegenerative disorders, characterized by accumulation of intracellular lipopigments.","Curated_Disease_Description_Source__c":"MONDO:0009744","GARD_Synonym__c":"ceroid lipofuscinosis neuronal 1; ceroid lipofuscinosis, neuronal, 1; ceroid lipofuscinosis, neuronal, 1, variable age at onset; ceroid lipofuscinosis, neuronal, type 1; ceroid storage disease; cln1; cln1 disease; cln1 variable age at onset; neuronal ceroid lipofuscinosis 1 variable age of onset; neuronal ceroid lipofuscinosis caused by mutation in ppt1; neuronal ceroid lipofuscinosis type 1; ppt1 neuronal ceroid lipofuscinosis; ppt1-related neuronal ceroid-lipofuscinosis","Name":"Neuronal ceroid lipofuscinosis 1","Curated_USA_Estimate__c":"50,000","estimateUsa":"50,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Children's Brain Disease Foundation","Website__c":"https://childrensbraindiseasesfoundation.org/"},{"Account_Name__c":"BDSRA Foundation","Website__c":"https://bdsrafoundation.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Neurology","Tag_Category__c":"Disease Category;Specialist","category_description":"Neurological diseases affect the brain, spinal cord, cranial nerves, autonomic nerves, or other peripheral nerves.","curated_tag_name":"Neurological diseases"},{"Tag_Name__c":"Ophthalmology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Psychiatry","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Inborn Errors of Metabolism","Tag_Category__c":"Cause;Disease Category","category_description":"Inherited metabolic diseases, or inborn errors of metabolism, are a group of genetic diseases that affect the ability of the body's cells to convert food into energy.","curated_tag_name":"Inherited metabolic diseases"},{"Tag_Name__c":"Lysosomal","Tag_Category__c":"Account;Cause;Disease Category","category_description":"Lysosomal storage diseases are a group of genetic metabolic diseases that affect the ability of the body's cells to break down substances and remove toxins.","curated_tag_name":"Lysosomal storage diseases"},{"Tag_Name__c":"Retinal","Tag_Category__c":"Account;Specialist","curated_tag_name":"Retinal disorders"},{"Tag_Name__c":"Epilepsy","Tag_Category__c":"Account;Specialist","curated_tag_name":"Epilepsy"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:228329"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0001219","Source__c":"RareSource"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1850451","Source__c":"C1850451","Xref__c":"C1850451"},{"URL__c":"https://www.orpha.net/en/disease/detail/228329","Source__c":"C1850451; MONDO:0009744","Xref__c":"ORPHA:228329"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C85861","Source__c":"C1850451; MONDO:0009744","Xref__c":"C85861"},{"URL__c":"https://www.omim.org/entry/256730","Source__c":"C1850451; MONDO:0009744; ORPHA:228329","Xref__c":"OMIM:256730"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=340540","Source__c":"C1850451","Xref__c":"MEDGEN:340540"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=720830009","Source__c":"MONDO:0009744","Xref__c":"720830009"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0110721","Source__c":"MONDO:0009744","Xref__c":"DOID:0110721"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0009744","Source__c":"GARD:0001219","Xref__c":"MONDO:0009744"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK1428","Source__c":"Gene Review","Xref__c":"NBK1428"},{"URL__c":"https://medlineplus.gov/genetics/condition/cln1-disease"},{"URL__c":"https://medlineplus.gov/genetics/condition/cln1-disease","Source__c":"GARD:0001219","Xref__c":"https://medlineplus.gov/genetics/condition/cln1-disease"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"PPT1","GHR_URL__c":"https://medlineplus.gov/genetics/gene/ppt1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"An abnormal pattern in the quality, quantity, or characteristics of sleep.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002360","HPO_Synonym__c":"Difficulty sleeping; Sleep abnormality; Sleep disturbances; Sleep dysfunction; Sleep-wake disturbance; Trouble sleeping","HPO_Name__c":"Sleep disturbance","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Atrophy (wasting, decrease in size of cells or tissue) affecting the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002059","HPO_Synonym__c":"Degeneration of cerebrum","HPO_Name__c":"Cerebral atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Very brief, involuntary random muscular contractions occurring at rest, in response to sensory stimuli, or accompanying voluntary movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001336","HPO_Synonym__c":"Myoclonic jerks","HPO_Name__c":"Myoclonus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"An emotional state characterized by negative feelings of heightened frustration, annoyance, or feeling upset, often triggered by internal factors (e.g., fatigue, hunger, unfulfilled desires) or external factors (e.g., social or environmental challenges). Irritability may be unpredictable, and is accompanied by a lowered threshold for emotional reactivity and observable features (speech, facial expressions, or psychomotor activity).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000737","HPO_Synonym__c":"Cranky; Easily annoyed; Easily bothered; Easily upset; Grumpy; Hot-temper; Irritability; Irritable; Irritable mood; On edge; Quick-temper; Short fuse; Short tempered","HPO_Name__c":"Irritability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002371","HPO_Synonym__c":"Loss of speech","HPO_Name__c":"Loss of speech","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A nonspecific term denoting progressive loss of the retinal pigment epithelium (RPE) and/or neurosensory retinal cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000546","HPO_Synonym__c":"Retina degeneration","HPO_Name__c":"Retinal degeneration","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Blindness is the condition of lacking visual perception defined as a profound reduction in visual perception. On the 6m visual acuity scale, blindness is defined as less than 3/60. On the 20ft visual acuity scale, blindness is defined as less than 20/400. On the decimal visual acuity scale, blindness is defined as less than 0.05. Blindness is typically characterized by a visual field of no greater than 10 degrees in radius around central fixation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000618","HPO_Synonym__c":"Blindness; Total vision loss","HPO_Name__c":"Blindness","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Frequently experiencing feelings of being down, miserable, and/or hopeless; struggling to recover from these moods; having a pessimistic outlook on the future; feeling a pervasive sense of shame; having a low self-worth; experiencing thoughts of suicide and engaging in suicidal behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000716","HPO_Synonym__c":"Depression; Depressive episode; Depressivity","HPO_Name__c":"Depression","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Activity of the enzyme palmitoyl-protein thioesterase (PPT; EC 3.1.2.22) in tissues below the lower limit of normal. The activity can be measured in multiple tissues including culutured fibroblasts and leukocytes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:6000783","HPO_Name__c":"Reduced tissue palmitoyl-protein thioesterase activity","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001257","HPO_Synonym__c":"Involuntary muscle stiffness, contraction, or spasm; Muscle spasticity; Muscular spasticity","HPO_Name__c":"Spasticity","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Ataxia refers to impaired coordination of voluntary muscle movement. Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001251","HPO_Synonym__c":"Cerebellar ataxia","HPO_Name__c":"Ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Progressive microcephaly is diagnosed when the head circumference falls progressively behind age- and sex-dependent norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000253","HPO_Synonym__c":"Microcephaly, postnatal, progressive; Microcephaly, progressive; Progressively abnormally small cranium; Progressively abnormally small skull","HPO_Name__c":"Progressive microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001252","HPO_Synonym__c":"Low muscle tone; Low or weak muscle tone; Muscle hypotonia; Muscular hypotonia","HPO_Name__c":"Hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Generalized muscular hypotonia (abnormally low muscle tone).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001290","HPO_Synonym__c":"Generalized decreased muscle tone; Generalized muscular hypotonia; Hypotonia, generalized","HPO_Name__c":"Generalized hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Decreased amplitude of eletrical response upon electroretinography.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000654","HPO_Synonym__c":"Decreased amplitudes on flash visual electroretinogram; Decreased electroretinogram; Decreased electroretinogram amplitude; Decreased electroretinogram response; Decreased ERG amplitude; Flattened or absent electroretinogram; Reduced electroretinogram; Reduced ERG; Reduced or abolished electroretinogram","HPO_Name__c":"Decreased light- and dark-adapted electroretinogram amplitude","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Lack of any response to stimulation upon electroretinography.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000550","HPO_Synonym__c":"Abolished electroretinogram; Absent electroretinogram; Extinction of electroretinogram; Extinguished electroretinogram; No light-evoked response on electroretinogram; Undetectable ERG","HPO_Name__c":"Undetectable electroretinogram","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A flexion contracture is a bent (flexed) joint that cannot be straightened actively or passively. It is thus a chronic loss of joint motion due to structural changes in muscle, tendons, ligaments, or skin that prevents normal movement of joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001371","HPO_Synonym__c":"Flexed joint that cannot be straightened; Flexion contractures; Flexion contractures of joints","HPO_Name__c":"Flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Perceptions in a conscious and awake state that, in the absence of external stimuli, have qualities of real perception. These perceptions are vivid, substantial, and located in external objective space.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000738","HPO_Synonym__c":"Hallucination; Hallucinations; Sensory hallucination","HPO_Name__c":"Hallucinations","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Lipofuscin, a generic term applied to autofluorescent lipopigment, is a mixture of protein and lipid that accumulates in most aging cells, particularly those involved in high lipid turnover (e.g., the adrenal medulla) or phagocytosis of other cell types (e g., the retinal pigment epithelium or RPE; macrophage). This term pertains if there is an increase in the neuronal accumulation of lipofuscin (also known as autofluorescent lipoprotein) more than expected for the age of the patient.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002074","HPO_Name__c":"Increased neuronal autofluorescent lipopigment","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Loss of previously present mental and motor abilities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002361","HPO_Synonym__c":"Psychomotor degeneration","HPO_Name__c":"Psychomotor deterioration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A reduction of previously attained ability to see.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000529","HPO_Synonym__c":"Loss of visual acuity; Progressive loss of vision; Progressive vision loss; Progressive visual acuity loss; Progressive visual impairment; Slowly progressive visual loss; Vision loss, progressive; Visual loss, progressive","HPO_Name__c":"Progressive visual loss","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Head circumference which falls below 2 standard deviations below the mean for age and sex because of insufficient head growth after birth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005484","HPO_Synonym__c":"Acquired microcephaly; Deceleration of head growth; Microcephaly, acquired; Microcephaly, postnatal; Postnatal deceleration of head circumference; Postnatal microcephaly","HPO_Name__c":"Secondary microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001939","HPO_Synonym__c":"Laboratory abnormality; Metabolism abnormality","HPO_Name__c":"Abnormality of metabolism/homeostasis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002353","HPO_Synonym__c":"Abnormal EEG; Abnormal electroencephalogram; EEG abnormalities; Electroencephalogram abnormal; Electroencephalogram abnormalities","HPO_Name__c":"EEG abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A nonspecific term denoting degeneration of the retinal pigment epithelium and/or retinal photoreceptor cells of the macula lutea.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000608","HPO_Name__c":"Macular degeneration","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Accumulation of granular osmiophilic material in blood vessel walls. Osmiophilic material becomes black upon staining with osmium tetroxide. Deposition of granular osmiophilic material (GOM) is the vascular pathological hallmark of CADASIL, which is the most prevalent hereditary small vessel disease and is caused by missense mutations in the NOTCH3 gene. GOM have been shown to contain NOTCH3 ectodomain (NOTCH3ECD) and extracellular matrix proteins, and can be visualized ultrastructurally in the tunica media of small arteries and capillaries. These electron dense GOM deposits are located in the basement membrane of mural cells, i.e. vascular smooth muscle cells and pericytes. In both manifest and pre-manifest CADASIL patients, GOM deposits are present not only in brain vessels, but also in vessels of other organs, such as the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003657","HPO_Synonym__c":"Granular osmiophilic deposits (GROD) in cells","HPO_Name__c":"Vascular granular osmiophilic material deposition","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:256730","Feature__r":{"HPO_Description__c":"Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000648","HPO_Synonym__c":"Optic nerve atrophy; Optic-nerve degeneration","HPO_Name__c":"Optic atrophy","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism","Lysosomal"],"Disease Category":["Genetics","Neurology","Inborn Errors of Metabolism","Lysosomal"],"Specialist":["Genetics","Neurology","Ophthalmology","Psychiatry","Retinal","Epilepsy","Pediatrics"],"Account":["Lysosomal","Retinal","Epilepsy"]},"synonyms":["ceroid lipofuscinosis neuronal 1"," ceroid lipofuscinosis, neuronal, 1"," ceroid lipofuscinosis, neuronal, 1, variable age at onset"," ceroid lipofuscinosis, neuronal, type 1"," ceroid storage disease"," cln1"," cln1 disease"," cln1 variable age at onset"," neuronal ceroid lipofuscinosis 1 variable age of onset"," neuronal ceroid lipofuscinosis caused by mutation in ppt1"," neuronal ceroid lipofuscinosis type 1"," ppt1 neuronal ceroid lipofuscinosis"," ppt1-related neuronal ceroid-lipofuscinosis"]}