{"Name":"Charcot-Marie-Tooth disease type 2R","DiseaseID__c":"GARD:0012451","id":12451,"encodedName":"charcot-marie-tooth-disease-type-2r","IsDeleted":false,"Disease_Name_Full__c":"Charcot-Marie-Tooth disease type 2R","Xref_IDs__c":"774147002; C3809655; DOID:0110161; MEDGEN:815985; MONDO:0014208; OMIM:615490; ORPHA:397968","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":8,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0014208","Disease_Description__c":"Any Charcot-Marie-Tooth disease type 2 in which the cause of the disease is a mutation in the TRIM2 gene.","GARD_Name__c":"Charcot-Marie-Tooth disease type 2R","GARD_Synonym__c":"autosomal recessive axonal charcot-marie-tooth disease type 2r; charcot-marie-tooth disease type 2 caused by mutation in trim2; charcot-marie-tooth disease, axonal, autosomal recessive, type 2r; charcot-marie-tooth disease, axonal, type 2r; charcot-marie-tooth disease, type 2r; charcot-marie-tooth neuropathy type 2r; charcot-marie-tooth neuropathy, type 2r; cmt2r; trim2 charcot-marie-tooth disease type 2","Curated_Disease_Description_Source__c":"ORPHA:397968","Curated_Disease_Description__c":"Charcot-Marie-Tooth disease type 2R is a rare subtype of axonal hereditary motor and sensory neuropathy characterized by early-onset axial hypotonia, generalized muscle weakness, absent deep tendon reflexes and decreased muscle mass. Electromyography reveals decreased motor nerve conduction velocities with markedly reduced sensory and motor amplitudes.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as an Infant","SourceID__c":"ORPHA:397968","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014208","ORPHANET_ID__c":"ORPHA:397968","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Enfermedad de charcot-marie-tooth tipo 2r","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"enfermedad de charcot-marie-tooth tipo 2r","Spanish_GARD_Synonym__c":"cmt2r","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":"Charcot-Marie-Tooth disease type 2R is a rare subtype of axonal hereditary motor and sensory neuropathy characterized by early-onset axial hypotonia, generalized muscle weakness, absent deep tendon reflexes and decreased muscle mass. Electromyography reveals decreased motor nerve conduction velocities with markedly reduced sensory and motor amplitudes.","Curated_Disease_Description_Source__c":"ORPHA:397968","GARD_Synonym__c":"autosomal recessive axonal charcot-marie-tooth disease type 2r; charcot-marie-tooth disease type 2 caused by mutation in trim2; charcot-marie-tooth disease, axonal, autosomal recessive, type 2r; charcot-marie-tooth disease, axonal, type 2r; charcot-marie-tooth disease, type 2r; charcot-marie-tooth neuropathy type 2r; charcot-marie-tooth neuropathy, type 2r; cmt2r; trim2 charcot-marie-tooth disease type 2","Name":"Charcot-Marie-Tooth disease type 2R","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"CMT Research Foundation","Website__c":"https://cmtrf.org/"},{"Account_Name__c":"Muscular Dystrophy Canada","Website__c":"https://muscle.ca/"},{"Account_Name__c":"Charcot-Marie-Tooth Association","Website__c":"https://www.cmtausa.org/"},{"Account_Name__c":"Charcot-Marie-Tooth Association Australia Inc.","Website__c":"https://www.cmt.org.au"}],"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":"Peripheral Neuropathy","Tag_Category__c":"Account","curated_tag_name":"Peripheral neuropathy"},{"Tag_Name__c":"Neuromuscular medicine","Tag_Category__c":"Specialist","curated_tag_name":"Neuromuscular medicine"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:397968"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C3809655"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=815985","Source__c":"C3809655","Xref__c":"MEDGEN:815985"},{"URL__c":"https://www.omim.org/entry/615490","Source__c":"C3809655; MONDO:0014208; ORPHA:397968","Xref__c":"OMIM:615490"},{"URL__c":"https://www.orpha.net/en/disease/detail/397968","Source__c":"C3809655; MONDO:0014208; ORPHA:397968","Xref__c":"ORPHA:397968"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0110161","Source__c":"MONDO:0014208","Xref__c":"DOID:0110161"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C3809655","Source__c":"C3809655","Xref__c":"C3809655"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014208","Source__c":"GARD:0012451","Xref__c":"MONDO:0014208"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=774147002","Source__c":"C3809655","Xref__c":"774147002"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"TRIM2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003199","HPO_Synonym__c":"Decreased muscle mass","HPO_Name__c":"Decreased muscle mass","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An increase in height of the medial longitudinal arch of the foot that does not flatten on weight bearing (i.e., a distinctly hollow form of the sole of the foot when it is bearing weight).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001761","HPO_Synonym__c":"Cavus foot; High-arched foot","HPO_Name__c":"Pes cavus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"A type of knee joint contracture in which the knee is in a fixed bent (flexed) configuration such that it cannot be straightened actively or passively.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006380","HPO_Synonym__c":"Flexion contracture of knees; Flexion contractures at both knees; Flexion contractures of knees; Flexion deformity of the knee; Knee flexion contractures; Knee flexion deformity","HPO_Name__c":"Knee flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","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:615490","Feature__r":{"HPO_Description__c":"An abnormal gait pattern in which persons stand and walk with their feet spaced widely apart. This is often a component of cerebellar ataxia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002136","HPO_Synonym__c":"Broad based gait; Wide based gait; Wide based walk; Wide-based gait","HPO_Name__c":"Broad-based gait","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"A loss of the ability to move the vocal folds.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001605","HPO_Synonym__c":"Inability to move vocal cords; Laryngeal paralysis","HPO_Name__c":"Vocal cord paralysis","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002779","HPO_Synonym__c":"Floppy windpipe","HPO_Name__c":"Tracheomalacia","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"An abnormality characterized by disruption of the normal functioning of peripheral axons.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003477","HPO_Synonym__c":"Axonal neuropathy; Axonal peripheral neuropathy","HPO_Name__c":"Peripheral axonal neuropathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"Incapability to ambulate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002540","HPO_Synonym__c":"Inability to walk; Non-ambulatory","HPO_Name__c":"Inability to walk","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","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:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Reduced strength of muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001324","HPO_Synonym__c":"Muscle weakness; Muscular weakness","HPO_Name__c":"Muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0040078","HPO_Name__c":"Axonal degeneration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"A loss of myelinated nerve fibers in the peripheral nervous system (in general, this finding can be observed on nerve biopsy).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003380","HPO_Synonym__c":"Decreased number of large and small myelinated fibers; Loss of myelinated fibers","HPO_Name__c":"Decreased number of peripheral myelinated nerve fibers","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of decreased nerve conduction velocity that affects the motor neuron.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003431","HPO_Synonym__c":"Decreased motor NCV; Decreased motor nerve conduction velocities; Reduced motor nerve conduction velocity","HPO_Name__c":"Decreased motor nerve conduction velocity","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_NCV"}},{"Provided_By__c":"OMIM:615490","Feature__r":{"HPO_Description__c":"Talipes equinovarus (also called clubfoot) typically has four main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001762","HPO_Synonym__c":"Club feet; Club foot; Clubbing of feet; Clubfeet; Clubfoot; Equinovarus; Foot, talipes equinovarus; Pes equinovarus; Pes equinus","HPO_Name__c":"Talipes equinovarus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001284","HPO_Synonym__c":"Absent deep tendon reflexes; Absent tendon reflexes; Deep tendon reflexes absent; Loss of deep tendon reflexes; Lost deep tendon reflexes","HPO_Name__c":"Areflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Atrophy of the intrinsic muscle groups of the hand, comprising the thenar and hypothenar muscles; the interossei muscles; and the lumbrical muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008954","HPO_Name__c":"Intrinsic hand muscle atrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:615490","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A failure to achieve the ability to walk at an appropriate developmental stage. Most children learn to walk in a series of stages, and learn to walk short distances independently between 12 and 15 months.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031936","HPO_Synonym__c":"Delayed walking","HPO_Name__c":"Delayed ability to walk","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Neuromuscular medicine","Pediatrics"],"Account":["Peripheral Neuropathy"]},"synonyms":["autosomal recessive axonal charcot-marie-tooth disease type 2r"," charcot-marie-tooth disease type 2 caused by mutation in trim2"," charcot-marie-tooth disease, axonal, autosomal recessive, type 2r"," charcot-marie-tooth disease, axonal, type 2r"," charcot-marie-tooth disease, type 2r"," charcot-marie-tooth neuropathy type 2r"," charcot-marie-tooth neuropathy, type 2r"," cmt2r"," trim2 charcot-marie-tooth disease type 2"]}