{"Name":"Autosomal dominant mitochondrial myopathy with exercise intolerance","DiseaseID__c":"GARD:0017794","id":17794,"encodedName":"autosomal-dominant-mitochondrial-myopathy-with-exercise-intolerance","IsDeleted":false,"Disease_Name_Full__c":"Autosomal dominant mitochondrial myopathy with exercise intolerance","Xref_IDs__c":"1222644009; C4015513; DOID:0081357; MEDGEN:863950; MONDO:0014532; OMIM:616209; ORPHA:457050","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":1,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":2,"Description_Source__c":"ORPHA:457050","Disease_Description__c":"A rare mitochondrial oxidative phosphorylation disorder due to nuclear DNA anomalies characterized by onset of slowly progressive proximal lower limb weakness and exercise intolerance in the first decade of life, followed by weakness of neck flexor, shoulder, and distal leg muscles. Facial muscles become involved still later in the disease course. Additional manifestations are restrictive pulmonary function and short stature. Laboratory studies reveal lactic acidemia and increased serum creatine kinase.","GARD_Name__c":"Autosomal dominant mitochondrial myopathy with exercise intolerance","GARD_Synonym__c":"immd; myopathy, isolated mitochondrial, autosomal dominant","Curated_Disease_Description_Source__c":"ORPHA:457050","Curated_Disease_Description__c":"A rare mitochondrial oxidative phosphorylation disorder due to nuclear DNA anomalies characterized by onset of slowly progressive proximal lower limb weakness and exercise intolerance in the first decade of life, followed by weakness of neck flexor, shoulder, and distal leg muscles. Facial muscles become involved still later in the disease course. Additional manifestations are restrictive pulmonary function and short stature. Laboratory studies reveal lactic acidemia and increased serum creatine kinase.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as an Infant and as a Child","SourceID__c":"ORPHA:457050","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014532","ORPHANET_ID__c":"ORPHA:457050","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Miopatía mitocondrial autosómica dominante con intolerancia al ejercicio","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"miopatía mitocondrial autosómica dominante con intolerancia al ejercicio","Spanish_GARD_Synonym__c":null,"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 mitochondrial oxidative phosphorylation disorder due to nuclear DNA anomalies characterized by onset of slowly progressive proximal lower limb weakness and exercise intolerance in the first decade of life, followed by weakness of neck flexor, shoulder, and distal leg muscles. Facial muscles become involved still later in the disease course. Additional manifestations are restrictive pulmonary function and short stature. Laboratory studies reveal lactic acidemia and increased serum creatine kinase.","Curated_Disease_Description_Source__c":"ORPHA:457050","GARD_Synonym__c":"immd; myopathy, isolated mitochondrial, autosomal dominant","Name":"Autosomal dominant mitochondrial myopathy with exercise intolerance","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"United Mitochondrial Disease Foundation","Website__c":"https://www.umdf.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":"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":"Childhood","Provided_By__c":"ORPHA:457050"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:457050"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK304142","Source__c":"Gene Review","Xref__c":"NBK304142"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=863950","Source__c":"C4015513","Xref__c":"MEDGEN:863950"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4015513","Source__c":"C4015513","Xref__c":"C4015513"},{"URL__c":"https://www.orpha.net/en/disease/detail/457050","Source__c":"C4015513; MONDO:0014532; ORPHA:457050","Xref__c":"ORPHA:457050"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0081357","Source__c":"MONDO:0014532","Xref__c":"DOID:0081357"},{"URL__c":"https://www.omim.org/entry/616209","Source__c":"C4015513; MONDO:0014532; ORPHA:457050","Xref__c":"OMIM:616209"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014532","Source__c":"GARD:0017794","Xref__c":"MONDO:0014532"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1222644009","Source__c":"C4015513","Xref__c":"1222644009"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"CHCHD10","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Weakness of the muscles involved in neck flexion (sternocleidomastoid, longus capitus, longus colli, and scalenus anterior).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003722","HPO_Synonym__c":"Neck flexion weakness; Neck flexor muscle weakness","HPO_Name__c":"Neck flexor weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A height below that which is expected according to age and sex norms. Although there is no universally accepted definition of short stature, many refer to \\\"short stature\\\" as height more than 2 standard deviations below the mean for age and sex (or below the 3rd percentile for age and sex dependent norms).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004322","HPO_Synonym__c":"Decreased body height; Height less than 3rd percentile; Short stature; Small stature; Stature below 3rd percentile","HPO_Name__c":"Short stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","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:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal increase in intracellular lipid droplets In a muscle. The number and size of these drops can increase with somd disorders of lipid metabolism affecting muscle. See PMID 20691590 for histological images.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012240","HPO_Name__c":"Increased intramyocellular lipid droplets","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A functional motor deficit where individuals whose responses to the challenges of exercise fail to achieve levels considered normal for their age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003546","HPO_Synonym__c":"Decreased ability to exercise; Inability to exercise; Low exercise endurance; Poor exercise tolerance","HPO_Name__c":"Exercise intolerance","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0040014","HPO_Name__c":"Increased mitochondrial number","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal appearance of muscle fibers observed on muscle biopsy. Ragged red fibers can be visualized with Gomori trichrome staining as irregular and intensely red subsarcolemmal zones, whereas the normal myofibrils are green. The margins of affect fibers appear red and ragged. The ragged-red is due to the accumulation of abnormal mitochondria below the plasma membrane of the muscle fiber, leading to the appearance of a red rim and speckled sarcoplasm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003200","HPO_Synonym__c":"Mitochondrial proliferation in muscle tissue; Ragged red muscle fibers; Ragged-red fibers","HPO_Name__c":"Ragged-red muscle fibers","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A functional defect characterized by reduced total lung capacity (TLC) not associated with abnormalities of expiratory airflow or airway resistance. Spirometrically, a restrictive defect is defined as FEV1 (forced expiratory volume in 1 second) and FVC (forced vital capacity) less than 80 per cent. Restrictive lung disease may be caused by alterations in lung parenchyma or because of a disease of the pleura, chest wall, or neuromuscular apparatus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002091","HPO_Synonym__c":"Restrictive deficit on pulmonary function testing; Restrictive deficit on pulmonary function tests; Restrictive respiratory disease; Restrictive respiratory insufficiency; Restrictive respiratory syndrome; Spirometric restriction; Stiff lung or chest wall causing decreased lung volume","HPO_Name__c":"Restrictive ventilatory defect","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Procedure_PFT"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormally increased level of blood lactate (2-hydroxypropanoic acid). Lactate is produced from pyruvate by lactate dehydrogenase during normal metabolism. The terms lactate and lactic acid are often used interchangeably but lactate (the component measured in blood) is strictly a weak base whereas lactic acid is the corresponding acid. Lactic acidosis is often used clinically to describe elevated lactate but should be reserved for cases where there is a corresponding acidosis (pH below 7.35).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002151","HPO_Synonym__c":"Increased blood lactate; Increased serum lactate","HPO_Name__c":"Increased circulating lactate concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008180","HPO_Synonym__c":"Mildly elevated CPK; Mildly elevated creatine phosphokinase; Mildly elevated serum CK; Mildly elevated serum CPK; Mildly elevated serum phospho-CK; Mildly increased creatine kinase; Mildly increased serum creatine kinase; Moderately elevated serum CK; Moderately elevated serum CPK; Moderately increased serum creatine kinase","HPO_Name__c":"Mildly elevated creatine kinase","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:457050","HPO_Frequency__c":"Frequent (30-79%)","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:457050","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:457050","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced strength of one or more muscles innervated by the facial nerve (the seventh cranial nerve).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030319","HPO_Synonym__c":"Decreased facial muscle strength; Decreased strength of facial muscles; Face weakness; Facial muscle weakness; Facial weakness; Myasthenia of facial muscles; Reduced facial muscle strength; Weakness of face; Weakness of facial musculature","HPO_Name__c":"Weakness of facial musculature","Feature_System__c":"Musculoskeletal 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","Neuromuscular medicine","Pediatrics"],"Account":["Mitochondrial"]},"synonyms":["immd"," myopathy, isolated mitochondrial, autosomal dominant"]}