{"Name":"Hepatoencephalopathy due to combined oxidative phosphorylation defect type 1","DiseaseID__c":"GARD:0016949","id":16949,"encodedName":"hepatoencephalopathy-due-to-combined-oxidative-phosphorylation-defect-type-1","IsDeleted":false,"Disease_Name_Full__c":"Hepatoencephalopathy due to combined oxidative phosphorylation defect type 1","Xref_IDs__c":"764962002; C125663; C1836797; C563797; DOID:0111474; MEDGEN:322999; MONDO:0012191; OMIM:609060; ORPHA:137681","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":3,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":1,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":1,"No_of_Disease_Descriptions__c":4,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0012191","Disease_Description__c":"A rare, inherited mitochondrial disorder due to a defect in mitochondrial protein synthesis characterized by intrauterine growth retardation, metabolic decompensation with recurrent vomiting, persistent severe lactic acidosis, encephalopathy, seizures, failure to thrive, severe global developmental delay, poor eye contact, severe muscular hypotonia or axial hypotonia with limb hypertonia, hepatomegaly and/or liver dysfunction and/or liver failure, leading to fatal outcome in severe cases. Neuroimaging abnormalities may include corpus callosum thinning, leukodystrophy, delayed myelination and basal ganglia involvement.","GARD_Name__c":"Hepatoencephalopathy due to combined oxidative phosphorylation defect type 1","GARD_Synonym__c":"combined oxidative phosphorylation deficiency caused by mutation in gfm1; combined oxidative phosphorylation deficiency type 1; gfm1 combined oxidative phosphorylation deficiency; hepatoencephalopathy due to coxpd1; hepatoencephalopathy due to coxpd1 (combined oxidative phosphorylation defect type 1); hepatoencephalopathy, early fatal progressive","Curated_Disease_Description_Source__c":"MONDO:0012191","Curated_Disease_Description__c":"Combined oxidative phosphorylation deficiency 1 is a severe condition that primarily impairs neurological and liver function. Most people with combined oxidative phosphorylation deficiency 1 have severe brain dysfunction (encephalopathy) that worsens over time; they also have difficulty growing and gaining weight at the expected rate (failure to thrive). In some cases, affected individuals have abnormal muscle tone (increased or decreased), developmental delay, seizures, loss of sensation in the limbs (peripheral neuropathy), and an unusually small head (microcephaly). Liver disease is common in people with combined oxidative phosphorylation deficiency 1, with individuals quickly developing liver failure. Individuals with this condition also usually have a potentially life-threatening buildup of a chemical called lactic acid in the body (lactic acidosis). The neurological features of combined oxidative phosphorylation deficiency 1 are largely due to brain abnormalities that include thinning of the tissue that connects the two halves of the brain (corpus callosum hypoplasia) and loss of brain tissue called white matter (leukodystrophy), particularly in an area of the brain called the basal ganglia, which normally helps control movement. Individuals with combined oxidative phosphorylation deficiency 1 usually do not survive past early childhood, although some people live longer.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn","SourceID__c":"ORPHA:137681","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0012191","ORPHANET_ID__c":"ORPHA:137681","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Hepatoencefalopatía por deficiencia combinada de la fosforilación oxidativa tipo 1","Spanish_Description_Source__c":"ORPHA:137681","Spanish_Description__c":"Es un trastorno mitocondrial hereditario poco frecuente debido a un defecto de la síntesis proteica mitocondrial. Está caracterizado por retraso del crecimiento intrauterino, descompensación metabólica con vómitos recurrentes, acidosis láctica grave persistente, encefalopatía, crisis epilépticas, fallo de medro, grave retraso global del desarrollo, contacto visual pobre, hipotonía muscular grave o hipotonía axial con hipertonía en las extremidades, hepatomegalia y/o disfunción hepática y/o insuficiencia hepática, lo que resulta en un desenlace fatal en casos graves. Las anomalías detectadas en la neuroimagen pueden incluir adelgazamiento del cuerpo calloso, leucodistrofia, retraso de la mielinización y afectación de los ganglios basales.","Spanish_Disease_Name__c":"hepatoencefalopatía por deficiencia combinada de la fosforilación oxidativa tipo 1","Spanish_GARD_Synonym__c":"hepatoencefalopatía por coxpd1","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":"Combined oxidative phosphorylation deficiency 1 is a severe condition that primarily impairs neurological and liver function. Most people with combined oxidative phosphorylation deficiency 1 have severe brain dysfunction (encephalopathy) that worsens over time; they also have difficulty growing and gaining weight at the expected rate (failure to thrive). In some cases, affected individuals have abnormal muscle tone (increased or decreased), developmental delay, seizures, loss of sensation in the limbs (peripheral neuropathy), and an unusually small head (microcephaly). Liver disease is common in people with combined oxidative phosphorylation deficiency 1, with individuals quickly developing liver failure. Individuals with this condition also usually have a potentially life-threatening buildup of a chemical called lactic acid in the body (lactic acidosis). The neurological features of combined oxidative phosphorylation deficiency 1 are largely due to brain abnormalities that include thinning of the tissue that connects the two halves of the brain (corpus callosum hypoplasia) and loss of brain tissue called white matter (leukodystrophy), particularly in an area of the brain called the basal ganglia, which normally helps control movement. Individuals with combined oxidative phosphorylation deficiency 1 usually do not survive past early childhood, although some people live longer.","Curated_Disease_Description_Source__c":"MONDO:0012191","GARD_Synonym__c":"combined oxidative phosphorylation deficiency caused by mutation in gfm1; combined oxidative phosphorylation deficiency type 1; gfm1 combined oxidative phosphorylation deficiency; hepatoencephalopathy due to coxpd1; hepatoencephalopathy due to coxpd1 (combined oxidative phosphorylation defect type 1); hepatoencephalopathy, early fatal progressive","Name":"Hepatoencephalopathy due to combined oxidative phosphorylation defect type 1","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"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":"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":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:137681"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C563797","Source__c":"MONDO:0012191","Xref__c":"C563797"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1836797","Source__c":"C1836797","Xref__c":"C1836797"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=764962002","Source__c":"C1836797; MONDO:0012191","Xref__c":"764962002"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C125663","Source__c":"C1836797; MONDO:0012191","Xref__c":"C125663"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=322999","Source__c":"C1836797","Xref__c":"MEDGEN:322999"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0111474","Source__c":"MONDO:0012191","Xref__c":"DOID:0111474"},{"URL__c":"https://www.omim.org/entry/609060","Source__c":"C1836797; MONDO:0012191; ORPHA:137681","Xref__c":"OMIM:609060"},{"URL__c":"https://www.orpha.net/en/disease/detail/137681","Source__c":"C1836797; MONDO:0012191","Xref__c":"ORPHA:137681"},{"URL__c":"https://medlineplus.gov/genetics/condition/combined-oxidative-phosphorylation-deficiency-1","Source__c":"GARD:0016949","Xref__c":"https://medlineplus.gov/genetics/condition/combined-oxidative-phosphorylation-deficiency-1"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0012191","Source__c":"GARD:0016949","Xref__c":"MONDO:0012191"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"GFM1","GHR_URL__c":"https://medlineplus.gov/genetics/gene/gfm1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008936","HPO_Synonym__c":"Low muscle tone in trunk; Muscular hypotonia of the trunk; Truncal hypotonia","HPO_Name__c":"Axial hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","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:137681","HPO_Frequency__c":"Occasional (5-29%)","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:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001257","HPO_Synonym__c":"Involuntary muscle stiffness, contraction, or spasm; Muscle spasticity; Muscular spasticity","HPO_Name__c":"Spasticity","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001511","HPO_Synonym__c":"Fetal growth restriction; FGR; In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant","HPO_Name__c":"Intrauterine growth retardation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormally increased size of the liver.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002240","HPO_Synonym__c":"Enlarged liver","HPO_Name__c":"Hepatomegaly","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","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:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002910","HPO_Synonym__c":"Abnormal liver enzymes; Abnormal liver function; Abnormal liver function tests; Elevated circulating hepatic transaminase activity; Elevated liver enzymes; Elevated serum transaminases; Elevated transaminases; High liver enzymes; Increased liver enzymes; Increased liver function tests; Increased transaminases; Raised liver enzymes; Subclinical abnormal liver function tests","HPO_Name__c":"Elevated circulating hepatic transaminase concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","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:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The birth of a baby of less than 37 weeks of gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001622","HPO_Synonym__c":"Premature birth; Premature delivery; Premature delivery of affected infants; Preterm birth; Preterm delivery; Shortened gestation time","HPO_Name__c":"Premature birth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Decreased activity of the mitochondrial respiratory chain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008972","HPO_Name__c":"Decreased activity of mitochondrial respiratory chain","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormally thin corpus callous, due to atrophy, hypoplasia or agenesis. This term is intended to be used in situations where it is not known if thinning of the corpus callosum (for instance, as visualized by magnetic resonance tomography) is due to abnormal development (e.g. a leukodystrophy) or atrophy following normal development (e.g. neurodegeneration).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0033725","HPO_Synonym__c":"Small corpus callosum; Thinning of the corpus callosum","HPO_Name__c":"Thin corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A decreased concentration of glucose in the blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001943","HPO_Synonym__c":"Hypoglycaemia; Low blood sugar","HPO_Name__c":"Hypoglycemia","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal buildup of lactic acid in the body, leading to acidification of the blood and other bodily fluids.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003128","HPO_Synonym__c":"Hyperlacticacidemia; Increased lactate in body; Lactic acidemia; Lacticacidemia; Lacticacidosis","HPO_Name__c":"Lactic acidosis","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The concentration of albumin in the blood circulation is below the lower limit of normal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003073","HPO_Synonym__c":"Decreased albumin concentration; Decreased albumin level; Decreased albumin level in blood; Decreased circulating abumin concentration; Hypoalbuminaemia; Hypoalbuminemia; Low blood albumin; Reduced albumin concentration; Reduced albumin level; Reduced albumin level in blood","HPO_Name__c":"Hypoalbuminemia","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormally increased muscular tone that causes fixed abnormal postures. There is a slow, intermittent twisting motion that leads to exaggerated turning and posture of the extremities and trunk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001332","HPO_Synonym__c":"Dystonic movements","HPO_Name__c":"Dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001399","HPO_Synonym__c":"Hepatic insufficiency; Liver failure","HPO_Name__c":"Hepatic failure","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal position of urethral meatus on the ventral penile shaft (underside) characterized by displacement of the urethral meatus from the tip of the glans penis to the ventral surface of the penis, scrotum, or perineum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000047","HPO_Synonym__c":"Hypospadia","HPO_Name__c":"Hypospadias","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Impaired feeding performance of an infant as manifested by difficulties such as weak and ineffective sucking, brief bursts of sucking, and falling asleep during sucking. There may be difficulties with chewing or maintaining attention.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008872","HPO_Name__c":"Feeding difficulties in infancy","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Encephalopathy is a term that means brain disease, damage, or malfunction. In general, encephalopathy is manifested by an altered mental state.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001298","HPO_Name__c":"Encephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:137681","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002353","HPO_Synonym__c":"Abnormal EEG; Abnormal electroencephalogram; EEG abnormalities; Electroencephalogram abnormal; Electroencephalogram abnormalities","HPO_Name__c":"EEG abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism","Mitochondrial"],"Disease Category":["Genetics","Gastroenterology","Inborn Errors of Metabolism","Mitochondrial"],"Specialist":["Genetics","Gastroenterology","Pediatrics"],"Account":["Mitochondrial"]},"synonyms":["combined oxidative phosphorylation deficiency caused by mutation in gfm1"," combined oxidative phosphorylation deficiency type 1"," gfm1 combined oxidative phosphorylation deficiency"," hepatoencephalopathy due to coxpd1"," hepatoencephalopathy due to coxpd1 (combined oxidative phosphorylation defect type 1)"," hepatoencephalopathy, early fatal progressive"]}