{"Name":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria","DiseaseID__c":"GARD:0003681","id":3681,"encodedName":"mitochondrial-dna-depletion-syndrome-encephalomyopathic-form-with-methylmalonic-aciduria","IsDeleted":false,"Disease_Name_Full__c":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria","Xref_IDs__c":"C567624; C5980207; DOID:0080124; MEDGEN:1876465; MONDO:0012791; OMIM:612073; ORPHA:1933","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":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0012791","Disease_Description__c":"A rare mitochondrial DNA depletion syndrome characterized by neonatal or infantile onset of global developmental delay, hypotonia, failure to thrive, progressive neurologic decline, sensorineural deafness, and movement disorder. Seizures, external ophthalmoplegia, polyneuropathy, cardiomyopathy, and renal tubular dysfunction have also been reported. Brain imaging may show T2-weighted hyperintensities in the basal ganglia, and laboratory examination may reveal lactic acidosis and mild methylmalonic aciduria.","GARD_Name__c":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria","GARD_Synonym__c":"booth-haworth-dilling syndrome; mitochondrial dna depletion syndrome 5; mitochondrial dna depletion syndrome 5 (encephalomyopathic with or without methylmalonic aciduria); mitochondrial dna depletion syndrome type 5; mitochondrial dna depletion syndrome, encephalomyopathic form, with or without methylmalonic aciduria, autosomal recessive, sucla2-related; mitochondrial encephalomyopathy aminoacidopathy; mitochondrial encephalomyopathy-aminoacidopathy syndrome; mtdna depletion syndrome, encephalomyopathic form with methylmalonic aciduria; mtdps5","Curated_Disease_Description_Source__c":"GARD:0003681","Curated_Disease_Description__c":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria (MTDPS9) affects the brain, nervous system, and muscles. Symptoms are different from person to person. They may include muscle weakness, hearing loss, and difficulty feeding and breathing. Other symptoms may include severe low muscle tone, developmental delay, and cognitive impairment. Symptoms usually begin in early infancy and get worse over time, often leading to death in infancy. MTDPS9 is caused by genetic variants in the SUCLG1 gene (also known as the SUCLA1 gene) and is inherited in an autosomal recessive pattern. Diagnosis is based on the symptoms, clinical exam, imaging studies, and the removal of a small piece of muscle for examination (muscle biopsy). The diagnosis may also be confirmed by the results of genetic testing.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as an Infant","SourceID__c":"ORPHA:1933","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0012791","ORPHANET_ID__c":"ORPHA:1933","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de depleción del adn mitocondrial, forma encefalomiopática con aciduria metilmalónica","Spanish_Description_Source__c":"ORPHA:1933","Spanish_Description__c":"Es un síndrome de depleción del ADN mitocondrial caracterizado por la aparición neonatal o en la lactancia de un retraso global del desarrollo, hipotonía, fallo de medro, afectación neurológica progresiva, sordera neurosensorial y trastornos del movimiento. También se ha descrito crisis, oftalmoplejía externa, polineuropatía, cardiomiopatía y disfunción tubular renal. La neuroimagen puede mostrar hiperintensidades ponderadas en T2 en los ganglios basales, y las pruebas bioquímicas pueden revelar acidosis láctica y leve aciduria metilmalónica.","Spanish_Disease_Name__c":"síndrome de depleción del adn mitocondrial, forma encefalomiopática con aciduria metilmalónica","Spanish_GARD_Synonym__c":"síndrome de booth-haworth-dilling; síndrome de depleción del adnmt, forma encefalomiopática con aciduria metilmalónica; síndrome de encefalomiopatía mitocondrial-aminoacidopatía","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":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria (MTDPS9) affects the brain, nervous system, and muscles. Symptoms are different from person to person. They may include muscle weakness, hearing loss, and difficulty feeding and breathing. Other symptoms may include severe low muscle tone, developmental delay, and cognitive impairment. Symptoms usually begin in early infancy and get worse over time, often leading to death in infancy. MTDPS9 is caused by genetic variants in the SUCLG1 gene (also known as the SUCLA1 gene) and is inherited in an autosomal recessive pattern. Diagnosis is based on the symptoms, clinical exam, imaging studies, and the removal of a small piece of muscle for examination (muscle biopsy). The diagnosis may also be confirmed by the results of genetic testing.","Curated_Disease_Description_Source__c":"GARD:0003681","GARD_Synonym__c":"booth-haworth-dilling syndrome; mitochondrial dna depletion syndrome 5; mitochondrial dna depletion syndrome 5 (encephalomyopathic with or without methylmalonic aciduria); mitochondrial dna depletion syndrome type 5; mitochondrial dna depletion syndrome, encephalomyopathic form, with or without methylmalonic aciduria, autosomal recessive, sucla2-related; mitochondrial encephalomyopathy aminoacidopathy; mitochondrial encephalomyopathy-aminoacidopathy syndrome; mtdna depletion syndrome, encephalomyopathic form with methylmalonic aciduria; mtdps5","Name":"Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic","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":"Gastroenterology","Tag_Category__c":"Disease Category;Specialist","category_description":"Gastrointestinal diseases, or digestive diseases, affect the esophagus, stomach, small intestine, large intestine, liver, gallbladder, or pancreas.","curated_tag_name":"Gastrointestinal 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":"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":"Infancy","Provided_By__c":"ORPHA:1933"}],"Diagnosis__c":[{"Type__c":"NEWBORN","Category__c":"Other","Curie__c":"http://newbornscreeningcodes.nlm.nih.gov/nb/sc/condition/SUCLA2"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0003681","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK6803","Source__c":"Gene Review","Xref__c":"NBK6803"},{"URL__c":"https://www.orpha.net/en/disease/detail/1933","Source__c":"C5980207; MONDO:0012791","Xref__c":"ORPHA:1933"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0080124","Source__c":"MONDO:0012791","Xref__c":"DOID:0080124"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C567624","Source__c":"MONDO:0012791","Xref__c":"C567624"},{"URL__c":"https://www.omim.org/entry/612073","Source__c":"C5980207; MONDO:0012791; ORPHA:1933","Xref__c":"OMIM:612073"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0012791","Source__c":"GARD:0003681","Xref__c":"MONDO:0012791"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1876465","Source__c":"C5980207","Xref__c":"MEDGEN:1876465"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5980207","Source__c":"C5980207","Xref__c":"C5980207"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"SUCLA2","GHR_URL__c":"https://medlineplus.gov/genetics/gene/sucla2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Mitochondrial inheritance"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Severe weight loss, wasting of muscle, loss of appetite, and general debility related to a chronic disease.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004326","HPO_Synonym__c":"Wasting syndrome","HPO_Name__c":"Cachexia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormally increased hair growth over much of the entire body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002230","HPO_Synonym__c":"Excessive hairiness over body","HPO_Name__c":"Generalized hirsutism","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An anomaly of visually evoked potentials (VEP), which are electrical potentials, initiated by brief visual stimuli, which are recorded from the scalp overlying the visual cortex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000649","HPO_Synonym__c":"Abnormal vision evoked potentials; Abnormal visual evoked potential; Abnormal visual evoked responses; Abnormal visual-evoked potentials; VEP abnormalities","HPO_Name__c":"Abnormality of visual evoked potentials","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Ataxia refers to impaired coordination of voluntary muscle movement. Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001251","HPO_Synonym__c":"Cerebellar ataxia","HPO_Name__c":"Ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An increase in size of the ventricular system of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002119","HPO_Synonym__c":"Cerebral ventricular dilatation; Dilated cerebral ventricle; Dilated cerebral ventricles; Dilated ventricles; Enlarged cerebral ventricles; Enlarged ventricles; Enlarged ventricular system; Large cerebral ventricles and cisternae; Ventricular dilatation","HPO_Name__c":"Ventriculomegaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Visual impairment (or vision impairment) is vision loss (of a person) to such a degree as to qualify as an additional support need through a significant limitation of visual capability resulting from either disease, trauma, or congenital or degenerative conditions that cannot be corrected by conventional means, such as refractive correction, medication, or surgery.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000505","HPO_Synonym__c":"Impaired vision; Loss of eyesight; Poor vision; Visual impairment","HPO_Name__c":"Visual impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Any abnormality of the electrical responses of various cell types in the retina as measured by electroretinography.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000512","HPO_Synonym__c":"Abnormal electroretinography; Abnormal ERG; ERG abnormal","HPO_Name__c":"Abnormal electroretinogram","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The presence of calcium deposition within the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002514","HPO_Synonym__c":"Abnormal deposits of calcium in the brain","HPO_Name__c":"Cerebral calcification","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of motor delay characterized by a delay in acquiring the ability to control the large muscles of the body for walking, running, sitting, and crawling.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002194","HPO_Synonym__c":"Delayed attainment of gross motor milestones; Delayed attainment of gross motor skills; Delayed development of gross motor milestones; Delayed development of gross motor skills; Delayed gross motor milestones; Delayed gross motor skills; Delayed motor skills; Developmental delay, gross motor; Gross motor delay; Limited gross motor development; Limited gross motor skills","HPO_Name__c":"Delayed gross motor development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000508","HPO_Synonym__c":"Blepharoptosis; Drooping upper eyelid; Eyelid ptosis; Palpebral ptosis","HPO_Name__c":"Ptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An increased concentration of an amino acid in the urine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003355","HPO_Synonym__c":"High urine amino acid levels; Hyperaminoaciduria; Increased levels of animo acids in urine","HPO_Name__c":"Aminoaciduria","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Increased concentration of methylmalonic acid in the urine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012120","HPO_Synonym__c":"High blood methylmalonic acid levels; Methymalonicaciduria","HPO_Name__c":"Methylmalonic aciduria","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Reduction of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001265","HPO_Synonym__c":"Decreased reflex response; Decreased reflexes","HPO_Name__c":"Hyporeflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1933","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:1933","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism","Mitochondrial"],"Disease Category":["Genetics","Neurology","Gastroenterology","Inborn Errors of Metabolism","Mitochondrial"],"Specialist":["Genetics","Neurology","Gastroenterology","Neurodevelopmental disabilities","Pediatrics"],"Account":["Mitochondrial"]},"synonyms":["booth-haworth-dilling syndrome"," mitochondrial dna depletion syndrome 5"," mitochondrial dna depletion syndrome 5 (encephalomyopathic with or without methylmalonic aciduria)"," mitochondrial dna depletion syndrome type 5"," mitochondrial dna depletion syndrome, encephalomyopathic form, with or without methylmalonic aciduria, autosomal recessive, sucla2-related"," mitochondrial encephalomyopathy aminoacidopathy"," mitochondrial encephalomyopathy-aminoacidopathy syndrome"," mtdna depletion syndrome, encephalomyopathic form with methylmalonic aciduria"," mtdps5"]}