{"Name":"Spastic ataxia 3","DiseaseID__c":"GARD:0017425","id":17425,"encodedName":"spastic-ataxia-3","IsDeleted":false,"Disease_Name_Full__c":"Spastic ataxia 3","Xref_IDs__c":"C1969645; C566956; DOID:0050942; MEDGEN:370715; MONDO:0012664; OMIM:611390; ORPHA:314603","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":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":3,"Description_Source__c":"MONDO:0012664","Disease_Description__c":"Any autosomal recessive spastic ataxia in which the cause of the disease is a mutation in the MARS2 gene.","GARD_Name__c":"Spastic ataxia 3","GARD_Synonym__c":"arsal; arsal - autosomal recessive spastic ataxia with leukoencephalopathy; ataxia, spastic, 3, autosomal recessive; autosomal recessive spastic ataxia caused by mutation in mars2; autosomal recessive spastic ataxia type 3; autosomal recessive spastic ataxia with leukoencephalopathy; mars2 autosomal recessive spastic ataxia; spastic ataxia type 3; spax3; spax3 - autosomal recessive spastic ataxia type 3","Curated_Disease_Description_Source__c":"ORPHA:314603","Curated_Disease_Description__c":"A rare, genetic, autosomal recessive spastic ataxia disease characterized by cerebellar ataxia, spasticity, cerebellar (and in some cases cerebral) atrophy, dystonia, and leukoencephalopathy.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"from Childhood to Adulthood","SourceID__c":"ORPHA:314603","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0012664","ORPHANET_ID__c":"ORPHA:314603","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Ataxia espástica autosómica recesiva con leucoencefalopatía","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"ataxia espástica autosómica recesiva con leucoencefalopatía","Spanish_GARD_Synonym__c":"arsal; ataxia espástica autosómica recesiva tipo 3; spax3","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 rare, genetic, autosomal recessive spastic ataxia disease characterized by cerebellar ataxia, spasticity, cerebellar (and in some cases cerebral) atrophy, dystonia, and leukoencephalopathy.","Curated_Disease_Description_Source__c":"ORPHA:314603","GARD_Synonym__c":"arsal; arsal - autosomal recessive spastic ataxia with leukoencephalopathy; ataxia, spastic, 3, autosomal recessive; autosomal recessive spastic ataxia caused by mutation in mars2; autosomal recessive spastic ataxia type 3; autosomal recessive spastic ataxia with leukoencephalopathy; mars2 autosomal recessive spastic ataxia; spastic ataxia type 3; spax3; spax3 - autosomal recessive spastic ataxia type 3","Name":"Spastic ataxia 3","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"National Ataxia Foundation","Website__c":"https://ataxia.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":"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":"Mitochondrial","Tag_Category__c":"Account;Cause;Disease Category","category_description":"Mitochondrial diseases are a group of genetic diseases that affect the ability of the body's cells to make energy.","curated_tag_name":"Mitochondrial diseases"},{"Tag_Name__c":"Ataxia","Tag_Category__c":"Account","curated_tag_name":"Ataxia"},{"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":"Adult","Provided_By__c":"ORPHA:314603"},{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:314603"},{"Age_At_Onset__c":"Adolescent","Provided_By__c":"ORPHA:314603"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0050942","Source__c":"MONDO:0012664","Xref__c":"DOID:0050942"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=370715","Source__c":"C1969645","Xref__c":"MEDGEN:370715"},{"URL__c":"https://www.omim.org/entry/611390","Source__c":"C1969645; MONDO:0012664; ORPHA:314603","Xref__c":"OMIM:611390"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1969645","Source__c":"C1969645","Xref__c":"C1969645"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C566956","Source__c":"MONDO:0012664","Xref__c":"C566956"},{"URL__c":"https://www.orpha.net/en/disease/detail/314603","Source__c":"C1969645; MONDO:0012664; ORPHA:314603","Xref__c":"ORPHA:314603"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=784343003","Source__c":"C1969645","Xref__c":"784343003"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0012664","Source__c":"GARD:0017425","Xref__c":"MONDO:0012664"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"MARS2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of ataxia characterized by the impairment of the ability to coordinate the movements required for normal walking. Gait ataxia is characteirzed by a wide-based staggering gait with a tendency to fall.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002066","HPO_Synonym__c":"Ataxia of gait; Ataxic gait; Inability to coordinate movements when walking","HPO_Name__c":"Gait ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"This term describes abnormality of the white matter of the cerebrum resulting from damage to the myelin sheaths of nerve cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002352","HPO_Name__c":"Leukoencephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Urge incontinence is the strong, sudden need to urinate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000012","HPO_Synonym__c":"Overactive bladder; Urgent micturition; Urinary urgency","HPO_Name__c":"Urinary urgency","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:314603","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of sensorineural hearing impairment that affects both ears.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008619","HPO_Synonym__c":"Bilateral nerve deafness; Bilateral sensorineural deafness; Bilateral sensorineural hearing loss; Hearing loss, sensorineural, bilateral","HPO_Name__c":"Bilateral sensorineural hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Mild intellectual disability (ID) is defined as a type of ID characterized by mildly sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) the range of 50-69.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001256","HPO_Synonym__c":"Intellectual disability, mild; Mental retardation, borderline-mild; Mild and nonprogressive mental retardation; Mild mental retardation","HPO_Name__c":"Mild intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002073","HPO_Synonym__c":"Cerebellar ataxia, progressive; Progressive ataxia","HPO_Name__c":"Progressive cerebellar ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of dysarthria related to bilateral damage of the upper motor neuron tracts of the pyramidal and extra- pyramidal tracts. Speech of affected individuals is slow, effortful, and has a harsh vocal quality.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002464","HPO_Synonym__c":"Rigid dysarthria","HPO_Name__c":"Spastic dysarthria","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Atrophy of the cortex of the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002120","HPO_Synonym__c":"Cerebral cortex atrophy; Cortical atrophy; Decrease in size of the outer layer of the brain due to loss of brain cells","HPO_Name__c":"Cerebral cortical atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:314603","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001347","HPO_Synonym__c":"Increased deep tendon reflexes; Increased reflexes","HPO_Name__c":"Hyperreflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Nystagmus consisting of horizontal to-and-fro eye movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000666","HPO_Synonym__c":"Nystagmus, horizontal","HPO_Name__c":"Horizontal nystagmus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of ataxia characterized by the inability to carry out movements with the correct range and motion across the plane of more than one joint related to incorrect estimation of the distances required for targeted movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001310","HPO_Synonym__c":"Lack of coordination of movement","HPO_Name__c":"Dysmetria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Cerebellar hypoplasia is a descriptive term implying a cerebellum with a reduced volume, but a normal shape and is stable over time.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001321","HPO_Synonym__c":"Congenital cerebellar hypoplasia; Hypoplasia of cerebellum; Hypoplastic cerebellum; Small cerebellum; Underdeveloped cerebellum","HPO_Name__c":"Cerebellar hypoplasia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:314603","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002497","HPO_Name__c":"Spastic ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism","Mitochondrial"],"Disease Category":["Genetics","Neurology","Inborn Errors of Metabolism","Mitochondrial"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"],"Account":["Mitochondrial","Ataxia"]},"synonyms":["arsal"," arsal - autosomal recessive spastic ataxia with leukoencephalopathy"," ataxia, spastic, 3, autosomal recessive"," autosomal recessive spastic ataxia caused by mutation in mars2"," autosomal recessive spastic ataxia type 3"," autosomal recessive spastic ataxia with leukoencephalopathy"," mars2 autosomal recessive spastic ataxia"," spastic ataxia type 3"," spax3"," spax3 - autosomal recessive spastic ataxia type 3"]}