{"Name":"Niemann-Pick disease, type C2","DiseaseID__c":"GARD:0003992","id":3992,"encodedName":"niemann-pick-disease-type-c2","IsDeleted":false,"Disease_Name_Full__c":"Niemann-Pick disease, type C2","Xref_IDs__c":"C126865; C1843366; C536119; DOID:0070114; MEDGEN:335942; MONDO:0011873; OMIM:607625","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":1,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":null,"No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":2,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":0,"Description_Source__c":"MONDO:0011873","Disease_Description__c":"Niemann-Pick disease type C2 is a rare metabolic condition that affects many different parts of the body. Although signs and symptoms can develop at any age (infancy through adulthood), most affected people develop features of the condition during childhood. Neimann-Pick disease type C2 may be characterized by ataxia (difficulty coordinating movements), vertical supranuclear gaze palsy (inability to move the eyes vertically), poor muscle tone, hepatosplenomegaly (enlarged liver and spleen), interstitial lung disease, intellectual decline, seizures, speech problems, and difficulty swallowing. Niemann-Pick disease type C2 is caused by changes (mutations) in the NPC2 gene and is inherited in an autosomal recessive manner. There is, unfortunately, no cure for Niemann-Pick disease type C2. Treatment is based on the signs and symptoms present in each person.","GARD_Name__c":"Niemann-Pick disease, type C2","GARD_Synonym__c":"npc2; type c2 niemann-pick disease","Curated_Disease_Description_Source__c":"GARD:0003992","Curated_Disease_Description__c":"Niemann-Pick disease type C2 is a rare metabolic condition that affects many different parts of the body. Although signs and symptoms can develop at any age (infancy through adulthood), most affected people develop features of the condition during childhood. Neimann-Pick disease type C2 may be characterized by ataxia (difficulty coordinating movements), vertical supranuclear gaze palsy (inability to move the eyes vertically), poor muscle tone, hepatosplenomegaly (enlarged liver and spleen), interstitial lung disease, intellectual decline, seizures, speech problems, and difficulty swallowing. Niemann-Pick disease type C2 is caused by changes in the NPC2 gene and is inherited in an autosomal recessive manner.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":null,"SourceID__c":null,"Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0011873","ORPHANET_ID__c":null,"Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":null,"Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":null,"Spanish_GARD_Synonym__c":null,"Category_Linearization__c":null,"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":"Niemann-Pick disease type C2 is a rare metabolic condition that affects many different parts of the body. Although signs and symptoms can develop at any age (infancy through adulthood), most affected people develop features of the condition during childhood. Neimann-Pick disease type C2 may be characterized by ataxia (difficulty coordinating movements), vertical supranuclear gaze palsy (inability to move the eyes vertically), poor muscle tone, hepatosplenomegaly (enlarged liver and spleen), interstitial lung disease, intellectual decline, seizures, speech problems, and difficulty swallowing. Niemann-Pick disease type C2 is caused by changes in the NPC2 gene and is inherited in an autosomal recessive manner.","Curated_Disease_Description_Source__c":"GARD:0003992","GARD_Synonym__c":"npc2; type c2 niemann-pick disease","Name":"Niemann-Pick disease, type C2","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"National Tay-Sachs and Allied Diseases Association","Website__c":"https://www.ntsad.org/"},{"Account_Name__c":"Metabolic Support UK","Website__c":"https://www.metabolicsupportuk.org"},{"Account_Name__c":"National Niemann-Pick Disease Foundation, Inc.","Website__c":"https://nnpdf.org/"},{"Account_Name__c":"Ara Parseghian Medical Research Foundation","Website__c":"https://parseghianfund.nd.edu/"},{"Account_Name__c":"Niemann-Pick UK","Website__c":"https://www.npuk.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":"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"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C1843366"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1843366","Source__c":"C1843366","Xref__c":"C1843366"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0070114","Source__c":"MONDO:0011873","Xref__c":"DOID:0070114"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=335942","Source__c":"C1843366","Xref__c":"MEDGEN:335942"},{"URL__c":"https://www.omim.org/entry/607625","Source__c":"C1843366; MONDO:0011873","Xref__c":"OMIM:607625"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C536119","Source__c":"MONDO:0011873","Xref__c":"C536119"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C126865","Source__c":"C1843366; MONDO:0011873","Xref__c":"C126865"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0011873","Source__c":"GARD:0003992","Xref__c":"MONDO:0011873"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"NPC2","GHR_URL__c":"https://medlineplus.gov/genetics/gene/npc2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"An abnormally increased muscular tone that causes fixed abnormal postures. There is a slow, intermittent twisting motion that leads to exaggerated turning and posture of the extremities and trunk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001332","HPO_Synonym__c":"Dystonic movements","HPO_Name__c":"Dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001260","HPO_Synonym__c":"Difficulty articulating speech; Dysarthric speech","HPO_Name__c":"Dysarthria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormally increased size of the liver.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002240","HPO_Synonym__c":"Enlarged liver","HPO_Name__c":"Hepatomegaly","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"Neonatal jaundice refers to a yellowing of the skin and other tissues of a newborn infant as a result of increased concentrations of bilirubin in the blood. Neonatal jaundice affects over half of all newborns to some extent in the first week of life. Prolonged neonatal jaundice is said to be present if the jaundice persists for longer than 14 days in term infants and 21 days in preterm infants.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006579","HPO_Synonym__c":"Neonatal jaundice; Prolonged yellowing of skin in newborn","HPO_Name__c":"Prolonged neonatal jaundice","Feature_System__c":"Skin System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","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:607625","Feature__r":{"HPO_Description__c":"The repetitive production of the same response to different commands.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030223","HPO_Synonym__c":"Perseveration; Perseverative behavior","HPO_Name__c":"Perseverative thought","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"A supranuclear gaze palsy is an inability to look in a vertical direction as a result of cerebral impairment. There is a loss of the voluntary aspect of eye movements, but, as the brainstem is still intact, all the reflex conjugate eye movements are normal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000511","HPO_Synonym__c":"Vertical gaze palsy; VSGP","HPO_Name__c":"Vertical supranuclear gaze palsy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"An abnormality of histiocytes, in which the cells take on a sea blue appearance due to abnormally increased lipid content. Histiocytes are a type of macrophage. Sea-blue histiocytes are typically large macrophages from 20 to 60 micrometers in diameter with a single eccentric nucleus whose cytoplasm if packed with sea-blue or blue-green granules when stained with Wright-Giemsa.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001982","HPO_Synonym__c":"Sea-blue histiocyte","HPO_Name__c":"Sea-blue histiocytosis","Feature_System__c":"Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Replacement of normal lung tissues by fibroblasts and collagen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002206","HPO_Synonym__c":"Pulmonary scarring","HPO_Name__c":"Pulmonary fibrosis","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"The presence of foam cells, a type of macrophage that localizes to fatty deposits on blood vessel walls, where they ingest low-density lipoproteins and become laden with lipids, giving them a foamy appearance.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003651","HPO_Synonym__c":"Foamy histiocytes; Foamy macrophages; Lipid-laden histiocytes; Presence of foam cells","HPO_Name__c":"Foam cells","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"A severe form of respiratory insufficiency characterized by inadequate gas exchange such that the levels of oxygen or carbon dioxide cannot be maintained within normal limits.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002878","HPO_Synonym__c":"Respiratory failure","HPO_Name__c":"Respiratory failure","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"Use of the same abnormal action in response to certain triggers or at random. They may be used as a way to regulate one's internal state but must otherwise have no apparent functional purpose.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000733","HPO_Synonym__c":"Abnormal repetitive mannerism; Repetitive behavior; Repetitive movements; Repetitive, stereotypic behavior; Stereotyped; Stereotyped behavior; Stereotyped behaviors; Stereotypical motor behavior; Stereotypical motor behaviors; Stimming","HPO_Name__c":"Motor stereotypy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Respiratory difficulty as newborn.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002643","HPO_Synonym__c":"Infantile respiratory distress; Neonatal respiratory distress; Newborn respiratory distress; Respiratory distress, neonatal","HPO_Name__c":"Neonatal respiratory distress","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","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:607625","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:607625","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal increased size of the spleen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001744","HPO_Synonym__c":"Increased spleen size; Large spleen","HPO_Name__c":"Splenomegaly","Feature_System__c":"Cardiovascular System; Immune System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","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:607625","Feature__r":{"HPO_Description__c":"A loss of global cognitive ability of sufficient amount to interfere with normal social or occupational function. Dementia represents a loss of previously present cognitive abilities, generally in adults, and can affect memory, thinking, language, judgment, and behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000726","HPO_Synonym__c":"Dementia; Dementia, progressive; Progressive dementia","HPO_Name__c":"Dementia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"Pathological protein aggregates formed by hyperphosphorylation of a microtubule-associated protein known as tau, causing it to aggregate in an insoluble form.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002185","HPO_Synonym__c":"Neurofibrillary tangles composed of disordered microtubules in neurons; NFTs; Paired helical filaments; Tau-positive neurofibrillary tangles; Tau-positive tangle","HPO_Name__c":"Neurofibrillary tangles","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Yellow pigmentation of the skin due to bilirubin, which in turn is the result of increased bilirubin concentration in the bloodstream.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000952","HPO_Synonym__c":"Icterus; Jaundice; Yellow skin; Yellowing of the skin","HPO_Name__c":"Jaundice","Feature_System__c":"Skin System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of excess amniotic fluid in the uterus during pregnancy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001561","HPO_Synonym__c":"High levels of amniotic fluid; Hydramnios","HPO_Name__c":"Polyhydramnios","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"A condition characterized by changes in personality and thought patterns, often accompanied by hallucinations and delusional beliefs, is known as psychosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000709","HPO_Synonym__c":"Psychosis","HPO_Name__c":"Psychosis","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","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:607625","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:607625","Feature__r":{"HPO_Description__c":"Difficulty in swallowing.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002015","HPO_Synonym__c":"Difficulty swallowing; Poor swallowing; Swallowing difficulties; Swallowing difficulty","HPO_Name__c":"Dysphagia","Feature_System__c":"Nervous System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A reduction in the rate of cholesterol esterification.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003349","HPO_Name__c":"Low cholesterol esterification rate","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"A sudden and transient episode of bilateral loss of muscle tone, often triggered by emotions.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002524","HPO_Name__c":"Cataplexy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"The presence of foam cells in the bone marrow, generally demonstrated by bone-marrow aspiration or biopsy. Foam cells have a vacuolated appearance due to the presence of complex lipid deposits, giving them a foamy or soap-suds appearance.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004333","HPO_Synonym__c":"Bone marrow foam cells; Large vacuolated foam cells ('NP cells') on bone marrow biopsy; Large vacuolated foam cells on bone marrow biopsy","HPO_Name__c":"Bone-marrow foam cells","Feature_System__c":"Cardiovascular System; Immune System; Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","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:607625","Feature__r":{"HPO_Description__c":"The presence of foam cells, a type of macrophage that localizes to fatty deposits on blood vessel walls, in the central nervous system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003640","HPO_Name__c":"CNS foam cells","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002093","HPO_Synonym__c":"Respiratory impairment","HPO_Name__c":"Respiratory insufficiency","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:607625","Feature__r":{"HPO_Description__c":"The concentration of cholestane-3beta, 5alpha, 6beta-triol (C-triol) in the blood circulation is above the upper limit of normal. C-triol is a diagnostic biomarker for Niemann-Pick disease type C.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:6001353","HPO_Synonym__c":"Elevated circulating cholestane-3beta,5alpha,6beta-triol concentration","HPO_Name__c":"Elevated circulating C-triol concentration","HPO_Feature_Type__c":"Lab"}}],"tags":{"Cause":["Genetics","Lysosomal"],"Disease Category":["Genetics","Lysosomal"],"Specialist":["Genetics"],"Account":["Lysosomal"]},"synonyms":["npc2"," type c2 niemann-pick disease"]}