{"Name":"X-linked neurodegenerative syndrome, Bertini type","DiseaseID__c":"GARD:0019061","id":19061,"encodedName":"x-linked-neurodegenerative-syndrome-bertini-type","IsDeleted":false,"Disease_Name_Full__c":"X-linked neurodegenerative syndrome, Bertini type","Xref_IDs__c":"718849008; C4305133; MEDGEN:930802; MONDO:0019427; ORPHA:85334","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":4,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0019427","Disease_Description__c":"An X-linked syndromic intellectual disability characterized by congenital ataxia and generalized hypotonia, global developmental delay with intellectual disability, myoclonic encephalopathy, progressive neurological deterioration, macular degeneration, and recurrent bronchopulmonary infections.","GARD_Name__c":"X-linked neurodegenerative syndrome, Bertini type","GARD_Synonym__c":"x-linked neurodegenerative syndrome bertini type","Curated_Disease_Description_Source__c":"MONDO:0019427","Curated_Disease_Description__c":"An X-linked syndromic intellectual disability characterized by congenital ataxia and generalized hypotonia, global developmental delay with intellectual disability, myoclonic encephalopathy, progressive neurological deterioration, macular degeneration, and recurrent bronchopulmonary infections.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:85334","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0019427","ORPHANET_ID__c":"ORPHA:85334","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome neurodegenerativo ligado al cromosoma x tipo bertini","Spanish_Description_Source__c":"ORPHA:85334","Spanish_Description__c":"Es una discapacidad intelectual sindrómica ligada al cromosoma X caracterizada por ataxia congénita e hipotonía generalizada, retraso global del desarrollo con discapacidad intelectual, encefalopatía mioclónica, deterioro neurológico progresivo, degeneración macular e infecciones broncopulmonares recurrentes.","Spanish_Disease_Name__c":"síndrome neurodegenerativo ligado al cromosoma x tipo bertini","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:93890","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":"An X-linked syndromic intellectual disability characterized by congenital ataxia and generalized hypotonia, global developmental delay with intellectual disability, myoclonic encephalopathy, progressive neurological deterioration, macular degeneration, and recurrent bronchopulmonary infections.","Curated_Disease_Description_Source__c":"MONDO:0019427","GARD_Synonym__c":"x-linked neurodegenerative syndrome bertini type","Name":"X-linked neurodegenerative syndrome, Bertini type","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"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":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:85334"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:85334"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.orpha.net/en/disease/detail/85334","Source__c":"C4305133; MONDO:0019427; ORPHA:85334","Xref__c":"ORPHA:85334"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=930802","Source__c":"C4305133","Xref__c":"MEDGEN:930802"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=718849008","Source__c":"C4305133; MONDO:0019427","Xref__c":"718849008"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4305133","Source__c":"C4305133","Xref__c":"C4305133"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0019427","Source__c":"GARD:0019061","Xref__c":"MONDO:0019427"}],"Inheritance__c":["X-linked recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001274","HPO_Synonym__c":"Absence of corpus callosum; Absent corpus callosum; Agenesis of the corpus callosum; Callosal agenesis; Corpus callosum agenesis; Dysplastic or absent corpus callosum","HPO_Name__c":"Agenesis of corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An increased susceptibility to bronchopulmonary infections as manifested by a history of recurrent bronchopulmonary infections.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006538","HPO_Synonym__c":"Recurrent bronchopneumonia","HPO_Name__c":"Recurrent bronchopulmonary infections","Feature_System__c":"Respiratory system; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","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":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","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":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A generalized myoclonic seizure is a type of generalized motor seizure characterized by bilateral, sudden, brief (<100 ms) involuntary single or multiple contraction of muscles or muscle groups of variable topography (axial, proximal limb, distal). Myoclonus is less regularly repetitive and less sustained than is clonus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002123","HPO_Synonym__c":"Generalised epileptic myoclonus; Generalised myoclonic seizure; Generalized epileptic myoclonus; Generalized myoclonic seizures; Myoclonus seizures","HPO_Name__c":"Generalized myoclonic seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","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":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","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":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A condition in which epileptiform abnormalities are believed to contribute to the progressive disturbance in cerebral function. Epileptic encephalaopathy is characterized by (1) electrographic EEG paroxysmal activity that is often aggressive, (2) seizures that are usually multiform and intractable, (3) cognitive, behavioral and neurological deficits that may be relentless, and (4) sometimes early death.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200134","HPO_Synonym__c":"Convulsive encephalopathy","HPO_Name__c":"Epileptic encephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:85334","HPO_Frequency__c":"Very frequent (80-99%)","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"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["x-linked neurodegenerative syndrome bertini type"]}