{"Name":"Mitochondrial myopathy-lactic acidosis-deafness syndrome","DiseaseID__c":"GARD:0003682","id":3682,"encodedName":"mitochondrial-myopathy-lactic-acidosis-deafness-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Mitochondrial myopathy-lactic acidosis-deafness syndrome","Xref_IDs__c":"C1855033; C537476; MEDGEN:343245; MONDO:0016825; OMIM:251950; ORPHA:2597","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":5,"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:0016825","Disease_Description__c":"A rare metabolic myopathy presenting during childhood, and characterized clinically by growth failure, severe muscle weakness, and moderate sensorineural deafness and biochemically by metabolic acidosis, elevated serum pyruvate concentration, hyperalaninemia and hyperalaninuria. There have been no further descriptions in the literature since 1973.","GARD_Name__c":"Mitochondrial myopathy-lactic acidosis-deafness syndrome","GARD_Synonym__c":"mitochondrial myopathy with lactic acidosis; mitochondrial myopathy-lactic acidosis-hearing loss syndrome","Curated_Disease_Description_Source__c":"MONDO:0016825","Curated_Disease_Description__c":"A rare metabolic myopathy presenting during childhood, and characterized clinically by growth failure, severe muscle weakness, and moderate sensorineural deafness and biochemically by metabolic acidosis, elevated serum pyruvate concentration, hyperalaninemia and hyperalaninuria. There have been no further descriptions in the literature since 1973.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Child","SourceID__c":"ORPHA:2597","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0016825","ORPHANET_ID__c":"ORPHA:2597","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de miopatía mitocondrial-acidosis láctica-sordera","Spanish_Description_Source__c":"ORPHA:2597","Spanish_Description__c":"Es una miopatía metabólica poco frecuente que debuta en la infancia caracterizada clínicamente por retraso del crecimiento, debilidad muscular grave y sordera neurosensorial moderada y, bioquímicamente, por acidosis metabólica, concentración sérica elevada de piruvato, hiperalaninemia e hiperalaninuria. No ha habido más casos descritos en la literatura desde 1973.","Spanish_Disease_Name__c":"síndrome de miopatía mitocondrial-acidosis láctica-sordera","Spanish_GARD_Synonym__c":"síndrome de miopatía mitocondrial-acidosis láctica-hipoacusia","Category_Linearization__c":"ORPHA:68367","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 metabolic myopathy presenting during childhood, and characterized clinically by growth failure, severe muscle weakness, and moderate sensorineural deafness and biochemically by metabolic acidosis, elevated serum pyruvate concentration, hyperalaninemia and hyperalaninuria. There have been no further descriptions in the literature since 1973.","Curated_Disease_Description_Source__c":"MONDO:0016825","GARD_Synonym__c":"mitochondrial myopathy with lactic acidosis; mitochondrial myopathy-lactic acidosis-hearing loss syndrome","Name":"Mitochondrial myopathy-lactic acidosis-deafness syndrome","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"},{"Account_Name__c":"MitoAction","Website__c":"https://www.mitoaction.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":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"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":"Otolaryngology","Tag_Category__c":"Specialist"},{"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:2597"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C1855033"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C537476","Source__c":"MONDO:0016825","Xref__c":"C537476"},{"URL__c":"https://www.orpha.net/en/disease/detail/2597","Source__c":"C1855033; MONDO:0016825","Xref__c":"ORPHA:2597"},{"URL__c":"https://www.omim.org/entry/251950","Source__c":"C1855033; MONDO:0016825","Xref__c":"OMIM:251950"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1855033","Source__c":"C1855033","Xref__c":"C1855033"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=343245","Source__c":"C1855033","Xref__c":"MEDGEN:343245"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0016825","Source__c":"GARD:0003682","Xref__c":"MONDO:0016825"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"PNPLA8","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A disorder of muscle unrelated to impairment of innervation or neuromuscular junction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003198","HPO_Synonym__c":"Muscle tissue disease; Myopathic changes","HPO_Name__c":"Myopathy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The presence of skeletal muscular atrophy (which is also known as amyotrophy).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003202","HPO_Synonym__c":"Amyotrophy; Amyotrophy involving the extremities; Muscle atrophy; Muscle atrophy, neurogenic; Muscle degeneration; Muscle hypotrophy; Muscle wasting; Muscular atrophy; Neurogenic muscle atrophy; Neurogenic muscle atrophy, especially in the lower limbs; Neurogenic muscular atrophy","HPO_Name__c":"Skeletal muscle atrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An increased concentration of alanine in the blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003348","HPO_Synonym__c":"Increased blood alanine; Increased serum alanine","HPO_Name__c":"Hyperalaninemia","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormal results of investigations using electromyography (EMG).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003457","HPO_Synonym__c":"Abnormal electromyography finding; Abnormal EMG; Electromyogram abnormal; EMG abnormalities","HPO_Name__c":"EMG abnormality","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Procedure_EMG"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000407","HPO_Synonym__c":"Hearing loss, sensorineural; Sensorineural deafness; Sensorineural hearing loss","HPO_Name__c":"Sensorineural hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of myopathy associated with mitochondrial disease and characterized by findings on biopsy such as ragged red muscle fibers.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003737","HPO_Name__c":"Mitochondrial myopathy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Metabolic acidosis (MA) is characterized by a fall in blood pH due to a reduction of serum bicarbonate concentration. This can occur as a result of either the accumulation of acids (high anion gap MA) or the loss of bicarbonate from the gastrointestinal tract or the kidney (hyperchloremic MA). By definition, MA is not due to a respirary cause.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001942","HPO_Name__c":"Metabolic acidosis","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:2597","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The presence of a fistula of the vagina.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004320","HPO_Name__c":"Vaginal fistula","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism","Mitochondrial"],"Disease Category":["Genetics","Neurology","Inborn Errors of Metabolism","Congenital Abnormality","Mitochondrial"],"Specialist":["Genetics","Neurology","Otolaryngology","Neuromuscular medicine","Pediatrics"],"Account":["Mitochondrial"]},"synonyms":["mitochondrial myopathy with lactic acidosis"," mitochondrial myopathy-lactic acidosis-hearing loss syndrome"]}