{"Name":"Charcot-Marie-Tooth disease type 2Y","DiseaseID__c":"GARD:0017714","id":17714,"encodedName":"charcot-marie-tooth-disease-type-2y","IsDeleted":false,"Disease_Name_Full__c":"Charcot-Marie-Tooth disease type 2Y","Xref_IDs__c":"C168974; C5569026; DOID:0110168; MEDGEN:1800449; MONDO:0014735; OMIM:616687; ORPHA:435387","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":2,"Description_Source__c":"MONDO:0014735","Disease_Description__c":"Any Charcot-Marie-Tooth disease type 2 in which the cause of the disease is a mutation in the VCP gene.","GARD_Name__c":"Charcot-Marie-Tooth disease type 2Y","GARD_Synonym__c":"autosomal dominant axonal charcot-marie-tooth type 2y; autosomal dominant charcot-marie-tooth disease type 2 due to vcp (valosin containing protein) mutation; autosomal dominant charcot-marie-tooth disease type 2 due to vcp mutation; autosomal dominant charcot-marie-tooth disease type 2y; charcot-marie-tooth disease type 2 caused by mutation in vcp; charcot-marie-tooth disease, axonal, autosomal dominant, type 2y; charcot-marie-tooth disease, axonal, type 2y; charcot-marie-tooth disease, type 2y; charcot-marie-tooth neuropathy type 2y; charcot-marie-tooth neuropathy, type 2y; cmt2 due to vcp mutation; cmt2y; vcp charcot-marie-tooth disease type 2","Curated_Disease_Description_Source__c":"ORPHA:435387","Curated_Disease_Description__c":"A rare, axonal hereditary motor and sensory neuropathy characterized by progressive distal muscle weakness and atrophy of variable onset and severity. Patients present with postural instability, gait and running difficulties, decreased deep tendon reflexes, foot deformities, fine motor impairment, and distal sensory impairment. Dysarthria, dysphagia, and mild cognitive and behavioral abnormalities have also been reported.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Child and as an Adult","SourceID__c":"ORPHA:435387","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014735","ORPHANET_ID__c":"ORPHA:435387","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Enfermedad de charcot-marie-tooth autosómica dominante tipo 2y","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"enfermedad de charcot-marie-tooth autosómica dominante tipo 2y","Spanish_GARD_Synonym__c":"cmt2 por una mutación en el gen vcp; cmt2y; enfermedad de charcot-marie-tooth autosómica dominante tipo 2 por una mutación en el gen vcp","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, axonal hereditary motor and sensory neuropathy characterized by progressive distal muscle weakness and atrophy of variable onset and severity. Patients present with postural instability, gait and running difficulties, decreased deep tendon reflexes, foot deformities, fine motor impairment, and distal sensory impairment. Dysarthria, dysphagia, and mild cognitive and behavioral abnormalities have also been reported.","Curated_Disease_Description_Source__c":"ORPHA:435387","GARD_Synonym__c":"autosomal dominant axonal charcot-marie-tooth type 2y; autosomal dominant charcot-marie-tooth disease type 2 due to vcp (valosin containing protein) mutation; autosomal dominant charcot-marie-tooth disease type 2 due to vcp mutation; autosomal dominant charcot-marie-tooth disease type 2y; charcot-marie-tooth disease type 2 caused by mutation in vcp; charcot-marie-tooth disease, axonal, autosomal dominant, type 2y; charcot-marie-tooth disease, axonal, type 2y; charcot-marie-tooth disease, type 2y; charcot-marie-tooth neuropathy type 2y; charcot-marie-tooth neuropathy, type 2y; cmt2 due to vcp mutation; cmt2y; vcp charcot-marie-tooth disease type 2","Name":"Charcot-Marie-Tooth disease type 2Y","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/"}],"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":"Adult","Provided_By__c":"ORPHA:435387"},{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:435387"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0110168","Source__c":"MONDO:0014735","Xref__c":"DOID:0110168"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1800449","Source__c":"C5569026","Xref__c":"MEDGEN:1800449"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C168974","Source__c":"C5569026; MONDO:0014735","Xref__c":"C168974"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5569026","Source__c":"C5569026","Xref__c":"C5569026"},{"URL__c":"https://www.orpha.net/en/disease/detail/435387","Source__c":"C5569026; MONDO:0014735; ORPHA:435387","Xref__c":"ORPHA:435387"},{"URL__c":"https://www.omim.org/entry/616687","Source__c":"C5569026; MONDO:0014735; ORPHA:435387","Xref__c":"OMIM:616687"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1187565005","Source__c":"C5569026","Xref__c":"1187565005"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014735","Source__c":"GARD:0017714","Xref__c":"MONDO:0014735"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"VCP","GHR_URL__c":"https://medlineplus.gov/genetics/gene/vcp","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Muscular atrophy affecting muscles in the distal portions of the extremities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003693","HPO_Synonym__c":"Amyotrophy of distal limb muscles; Distal amyotrophy, especially of the hands and feet; Distal limb muscle atrophy; Distal muscle atrophy; Distal muscle atrophy, upper and lower limbs; Distal muscle degeneration; Distal muscle wasting; Distal muscular atrophy; Muscle atrophy, distal","HPO_Name__c":"Distal amyotrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal accentuation of the inward curvature of the spine in the lumbar region.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002938","HPO_Synonym__c":"Exaggerated lumbar lordosis; Excessive inward curvature of lower spine; Increased lumbar lordosis; Lumbar lordosis; Prominent lumbar lordosis","HPO_Name__c":"Lumbar hyperlordosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An impairment of memory as manifested by a reduced ability to remember things such as dates and names, and increased forgetfulness.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002354","HPO_Synonym__c":"Amnesia; Forgetfulness; Memory impairment; Memory loss; Memory problems; Poor memory","HPO_Name__c":"Memory impairment","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Sudden and involuntary contractions of one or more muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003394","HPO_Synonym__c":"Muscle cramps; Muscle spasms","HPO_Name__c":"Muscle spasm","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Difficult or labored breathing. Dyspnea is a subjective feeling only the patient can rate, e.g., on a Borg scale.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002094","HPO_Synonym__c":"Abnormal breathing; Breathing difficulty; Difficult to breathe; Difficulty breathing; Shortness of breath; Trouble breathing","HPO_Name__c":"Dyspnea","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced strength of the distal musculature of the arms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008959","HPO_Name__c":"Distal upper limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007141","HPO_Synonym__c":"Mixed polyneuropathy; Nerve damage causing decreased feeling and movement; Sensorimotor peripheral neuropathy","HPO_Name__c":"Sensorimotor neuropathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A lack of strength of the proximal muscles of the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008994","HPO_Synonym__c":"Muscle weakness, proximal, lower limbs; Proximal muscle weakness in lower limbs","HPO_Name__c":"Proximal lower limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced ability to perceive painful stimuli.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007328","HPO_Synonym__c":"Decreased pain sensation; Decreased pinprick sensation; Impaired pain sensation","HPO_Name__c":"Impaired pain sensation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Diminution of tendon reflexes, which is an invariable sign of peripheral nerve disease.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001315","HPO_Synonym__c":"Absent or decreased deep tendon reflexes; Decreased deep tendon reflexes; Decreased tendon reflexes; Decreased to absent deep tendon reflexes; Decreased/absent deep tendon reflexes; Depressed tendon reflexes; Diminished deep tendon reflexes; Diminished or absent deep tendon reflexes; Diminished or absent tendon reflexes; Hypoactive to absent deep tendon reflexes; Impaired tendon reflexes; Reduced/absent deep tendon reflexes; Weak or absent deep tendon reflexes","HPO_Name__c":"Reduced tendon reflexes","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced strength of the distal musculature of the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009053","HPO_Synonym__c":"Distal muscle weakness in lower limbs; Muscle weakness, lower limb, distal","HPO_Name__c":"Distal lower limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal gait pattern that arises from weakness of the pretibial and peroneal muscles due to a lower motor neuron lesion. Affected patients have footdrop and are unable to dorsiflex and evert the foot. The leg is lifted high on walking so that the toes clear the ground, and there may be a slapping noise when the foot strikes the ground again.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003376","HPO_Synonym__c":"High stepping","HPO_Name__c":"Steppage gait","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Absence of the Achilles reflex (also known as the ankle jerk reflex), which can normally be elicited by tapping the tendon is tapped while the foot is dorsiflexed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003438","HPO_Synonym__c":"Absent ankle reflexes","HPO_Name__c":"Absent Achilles reflex","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Hyperextension of the metatarsal-phalangeal joint with hyperflexion of the proximal interphalangeal (PIP) joint.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001765","HPO_Synonym__c":"Hammer toe; Hammertoe; Hammertoes","HPO_Name__c":"Hammertoe","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal sensations such as tingling, pricking, or numbness of the skin with no apparent physical cause.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003401","HPO_Synonym__c":"Paresthesias; Pins and needles feeling; Tingling","HPO_Name__c":"Paresthesia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Weakness of the quadriceps muscle (that is, of the muscle fasciculus of quadriceps femoris).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003731","HPO_Synonym__c":"Quadriceps weakness","HPO_Name__c":"Quadriceps muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A decrease in the ability to perceive vibration in the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002166","HPO_Synonym__c":"Decreased lower limb vibratory sense; Decreased vibratory sense in lower limbs; Decreased vibratory sense in the lower extremities; Decreased vibratory sense in the lower limbs; Diminished vibratory sensation in the legs; Distal sensory loss, especially vibratory sense; Distal vibratory impairment of the lower limbs; Impaired vibration sensation in the lower limbs","HPO_Name__c":"Impaired vibration sensation in the lower limbs","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Muscular atrophy involving the muscles of the hand.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009130","HPO_Synonym__c":"Amyotrophy involving the musculature of the hand; Amyotrophy of hand muscles; Hand muscle degeneration; Hand muscle wasting; Hand muscle wasting, bilateral","HPO_Name__c":"Hand muscle atrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced ability to climb stairs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003551","HPO_Synonym__c":"Difficulty walking up stairs","HPO_Name__c":"Difficulty climbing stairs","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Weakness of the muscles responsible for dorsiflexion of the foot, that is, of the movement of the toes towards the shin. The foot dorsiflexors include the tibialis anterior, the extensor hallucis longus, the extensor digitorum longus, and the peroneus tertius muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009027","HPO_Synonym__c":"Foot drop; Foot extensor weakness; Footdrop; Inability to heel walk; Inability to walk on heels","HPO_Name__c":"Foot dorsiflexor weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal protrusion of the scapula away from the surface of the back.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003691","HPO_Synonym__c":"Scapula alata; Winged scapulae; Winged scapulas; Winged shoulder blade","HPO_Name__c":"Scapular winging","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduced sense of touch (tactile sensation). This is usually tested with a wisp of cotton or a fine camel's hair brush, by asking patients to say 'now' each time they feel the stimulus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010830","HPO_Synonym__c":"Abnormal thigmesthesia; Impaired touch sensation; Loss of tactile sensation","HPO_Name__c":"Impaired tactile sensation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000708","HPO_Synonym__c":"Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral symptoms; Behavioral/psychiatric abnormalities; Behavioural symptoms; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances","HPO_Name__c":"Atypical behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal reduction in sensation in the distal portions of the extremities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002936","HPO_Synonym__c":"Decreased distal sensation; Decreased sensation in extremities; Distal sensation loss; Distal sensory impairment in lower limbs; Distal sensory impairment of the lower extremities; Distal sensory loss; Distal sensory loss, upper and lower limbs; Loss of distal sensation","HPO_Name__c":"Distal sensory impairment","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A decrease in the ability to perceive vibration in the distal portions of the limbs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006886","HPO_Synonym__c":"Decreased distal vibration sense","HPO_Name__c":"Impaired distal vibration sensation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A lack of strength of the proximal muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003701","HPO_Synonym__c":"Muscle weakness, proximal; Proximal limb muscle weakness; Proximal limb weakness; Weakness in muscles of upper arms and upper legs","HPO_Name__c":"Proximal muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced ability to flex (bend) the knee joint.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006389","HPO_Name__c":"Limited knee flexion","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced ability to run.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009046","HPO_Synonym__c":"Difficulty running","HPO_Name__c":"Difficulty running","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced strength of the musculature of the distal extremities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002460","HPO_Synonym__c":"Distal limb muscle weakness; Distal limb weakness; Distal muscular weakness; Distal paresis; Muscle weakness, distal; Muscle weakness, distal limbs, due to neuronopathy; Weakness of distal muscles; Weakness of outermost muscles","HPO_Name__c":"Distal muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduction in the speed at which electrical signals propagate along the axon of a neuron.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000762","HPO_Synonym__c":"Decreased NCV; Decreased nerve conduction velocities; Delayed nerve conduction velocity; Reduced nerve conduction velocities; Slow nerve conduction velocity; Slowed nerve conduction velocities","HPO_Name__c":"Decreased nerve conduction velocity","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_NCV"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The term gait disturbance can refer to any disruption of the ability to walk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001288","HPO_Synonym__c":"Abnormal gait; Abnormal walk; Difficulty in walking; Gait abnormalities; Gait difficulties; Gait disturbances; Impaired gait; Walking disability","HPO_Name__c":"Gait disturbance","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal gait pattern characterized by the failure of the heel to contact the floor at the onset of stance during gait.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030051","HPO_Synonym__c":"Tiptoe gait; Toe walking; Walking on tiptoes","HPO_Name__c":"Tip-toe gait","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A complete loss of the ability to perceive vibration.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006944","HPO_Synonym__c":"Apallesthesia","HPO_Name__c":"Abolished vibration sense","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the ability (skills) to perform a precise movement of small muscles with the intent to perform a specific act. Fine motor skills are required to mediate movements of the wrists, hands, fingers, feet, and toes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007010","HPO_Synonym__c":"Fine motor disability; Fine motor impairment; Fine motor skill dysfunction; Impaired fine motor skills","HPO_Name__c":"Poor fine motor coordination","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An elevation of the level of the enzyme creatine kinase (also known as creatine phosphokinase (CK; EC 2.7.3.2) in the blood. CK levels can be elevated in a number of clinical disorders such as myocardial infarction, rhabdomyolysis, and muscular dystrophy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003236","HPO_Synonym__c":"Elevated blood creatine phosphokinase; Elevated circulating creatine phosphokinase; Elevated creatine kinase; Elevated serum CPK; Elevated serum creatine kinase; Elevated serum creatine phosphokinase; High serum creatine kinase; Increased CPK; Increased creatine kinase; Increased creatine phosphokinase; Increased serum CK; Increased serum creatine kinase; Increased serum creatine phosphokinase","HPO_Name__c":"Elevated circulating creatine kinase concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002359","HPO_Synonym__c":"Frequent falls","HPO_Name__c":"Frequent falls","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A lack of strength of the proximal muscles of the arms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008997","HPO_Synonym__c":"Proximal muscle weakness in upper limbs","HPO_Name__c":"Proximal upper limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Unstable emotional experiences and frequent mood changes; emotions that are easily aroused, intense, and/or disproportionate to events and circumstances.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000712","HPO_Name__c":"Emotional lability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:435387","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002141","HPO_Synonym__c":"Abnormality of balance; Abnormality of equilibrium; Imbalanced walk","HPO_Name__c":"Gait imbalance","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 dominant axonal charcot-marie-tooth type 2y"," autosomal dominant charcot-marie-tooth disease type 2 due to vcp (valosin containing protein) mutation"," autosomal dominant charcot-marie-tooth disease type 2 due to vcp mutation"," autosomal dominant charcot-marie-tooth disease type 2y"," charcot-marie-tooth disease type 2 caused by mutation in vcp"," charcot-marie-tooth disease, axonal, autosomal dominant, type 2y"," charcot-marie-tooth disease, axonal, type 2y"," charcot-marie-tooth disease, type 2y"," charcot-marie-tooth neuropathy type 2y"," charcot-marie-tooth neuropathy, type 2y"," cmt2 due to vcp mutation"," cmt2y"," vcp charcot-marie-tooth disease type 2"]}