{"Name":"Alpha-methylacyl-CoA racemase deficiency","DiseaseID__c":"GARD:0015787","id":15787,"encodedName":"alpha-methylacyl-coa-racemase-deficiency","IsDeleted":false,"Disease_Name_Full__c":"Alpha-methylacyl-CoA racemase deficiency","Xref_IDs__c":"700463002; C119677; C3280428; C565768; DOID:0060602; MEDGEN:482058; MONDO:0013681; OMIM:614307","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":0,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":1,"World_Estimate__c":null,"No_of_HRSA_records__c":0,"Evidence_Based_Score__c":1,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":3,"No_of_Age_at_Onset__c":0,"Description_Source__c":"MONDO:0013681","Disease_Description__c":"A rare disorder caused by mutation in the AMACR gene. Racemization is the prerequisite to beta-oxidation for branched chain fatty acids and bile acids. It is characterized by neurological abnormalities that appear in adulthood and include cognitive decline, seizures, and sensorimotor neuropathy. AMACR deficiency rarely presents as liver disease in infancy.","GARD_Name__c":"Alpha-methylacyl-CoA racemase deficiency","GARD_Synonym__c":"alpha-methylacyl-coa racemase deficiency disorder; amacr; amacr deficiency; amacrd; congenital bile acid synthesis defect type 4","Curated_Disease_Description_Source__c":"MONDO:0013681","Curated_Disease_Description__c":"Alpha-methylacyl-CoA racemase (AMACR) deficiency is a disorder that causes a variety of neurological problems that begin in adulthood and slowly get worse. People with AMACR deficiency may have a gradual loss in intellectual functioning (cognitive decline), seizures, and migraines. They may also have acute episodes of brain dysfunction (encephalopathy) similar to stroke, involving altered consciousness and areas of damage (lesions) in the brain. Other features of AMACR deficiency may include weakness and loss of sensation in the limbs due to nerve damage (sensorimotor neuropathy), muscle stiffness (spasticity), and difficulty coordinating movements (ataxia). Vision problems caused by deterioration of the light-sensitive layer at the back of the eye (the retina) can also occur in this disorder.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":null,"SourceID__c":"OMIM:614307","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0013681","ORPHANET_ID__c":null,"Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":null,"Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":null,"Spanish_GARD_Synonym__c":null,"Category_Linearization__c":null,"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":"Alpha-methylacyl-CoA racemase (AMACR) deficiency is a disorder that causes a variety of neurological problems that begin in adulthood and slowly get worse. People with AMACR deficiency may have a gradual loss in intellectual functioning (cognitive decline), seizures, and migraines. They may also have acute episodes of brain dysfunction (encephalopathy) similar to stroke, involving altered consciousness and areas of damage (lesions) in the brain. Other features of AMACR deficiency may include weakness and loss of sensation in the limbs due to nerve damage (sensorimotor neuropathy), muscle stiffness (spasticity), and difficulty coordinating movements (ataxia). Vision problems caused by deterioration of the light-sensitive layer at the back of the eye (the retina) can also occur in this disorder.","Curated_Disease_Description_Source__c":"MONDO:0013681","GARD_Synonym__c":"alpha-methylacyl-coa racemase deficiency disorder; amacr; amacr deficiency; amacrd; congenital bile acid synthesis defect type 4","Name":"Alpha-methylacyl-CoA racemase deficiency","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Metabolic Support UK","Website__c":"https://www.metabolicsupportuk.org"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C3280428","Source__c":"C3280428","Xref__c":"C3280428"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C119677","Source__c":"C3280428; MONDO:0013681","Xref__c":"C119677"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C565768","Source__c":"MONDO:0013681","Xref__c":"C565768"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=700463002","Source__c":"C3280428; MONDO:0013681","Xref__c":"700463002"},{"URL__c":"https://www.omim.org/entry/614307","Source__c":"C3280428; MONDO:0013681","Xref__c":"OMIM:614307"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=482058","Source__c":"C3280428","Xref__c":"MEDGEN:482058"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0060602","Source__c":"MONDO:0013681","Xref__c":"DOID:0060602"},{"URL__c":"https://medlineplus.gov/genetics/condition/alpha-methylacyl-coa-racemase-deficiency","Source__c":"GARD:0015787","Xref__c":"https://medlineplus.gov/genetics/condition/alpha-methylacyl-coa-racemase-deficiency"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0013681","Source__c":"GARD:0015787","Xref__c":"MONDO:0013681"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"AMACR","GHR_URL__c":"https://medlineplus.gov/genetics/gene/amacr","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001347","HPO_Synonym__c":"Increased deep tendon reflexes; Increased reflexes","HPO_Name__c":"Hyperreflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A focal-onset seizure is a type of seizure originating within networks limited to one hemisphere. They may be discretely localized or more widely distributed, and may originate in subcortical structures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007359","HPO_Synonym__c":"Focal onset seizure; Focal seizure; Focal seizures; Focal-onset seizures; Partial seizure; Partial seizures; Seizure affecting one half of brain","HPO_Name__c":"Focal-onset seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","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":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An unintentional, oscillating to-and-fro muscle movement about a joint axis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001337","HPO_Synonym__c":"Tremor; Tremors","HPO_Name__c":"Tremor","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An inherited retinal disease subtype in which the rod photoreceptors appear to be more severely affected than the cone photoreceptors. Typical presentation is with nyctalopia (due to rod dysfunction) followed by loss of mid-peripheral field of vision, which gradually extends and leaves many patients with a small central island of vision due to the preservation of macular cones.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000510","HPO_Synonym__c":"Retinitis pigmentosa; Rod cone dystrophy","HPO_Name__c":"Rod-cone dystrophy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Activity of alpha-methylacyl-CoA racemase (AMACR; EC 5.1.99.4) below the lower limit of normal in cultured fibroblasts.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:6000134","HPO_Name__c":"Reduced alpha-methylacyl-CoA racemase activity in cultured fibroblasts","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:614307","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":"OMIM:614307","Feature__r":{"HPO_Description__c":"Status epilepticus is a type of prolonged seizure resulting either from the failure of the mechanisms responsible for seizure termination or from the initiation of mechanisms which lead to abnormally prolonged seizures (after time point t1). It is a condition that can have long-term consequences (after time point t2), including neuronal death, neuronal injury, and alteration of neuronal networks, depending on the type and duration of seizures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002133","HPO_Synonym__c":"Prolonged seizure; Repeated seizure without recovery; Repeated seizures without recovery between them","HPO_Name__c":"Status epilepticus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An absolute or relative decrease in retinal sensitivity extending from edge (periphery) of the visual field in a concentric pattern. The visual field is the area that is perceived simultaneously by a fixating eye.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001133","HPO_Synonym__c":"Concentric narrowing of visual field; Constricted visual field; Constricted visual fields; Limited peripheral vision; Reduced peripheral vision; Visual field constriction","HPO_Name__c":"Constriction of peripheral visual field","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal elevation of phytanic acid.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010571","HPO_Synonym__c":"Elevated level of phytanic acid; Elevated levels of phytanic acid","HPO_Name__c":"Elevated circulating phytanic acid concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:614307","Feature__r":{"HPO_Description__c":"An elevation above the normal ratio of blood phytanic acid concentration to pristanic acid concentration.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0034449","HPO_Synonym__c":"Phytanic acid to pristanic acid ratio high","HPO_Name__c":"Increased phytanic acid:pristanic acid ratio","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Migraine is a chronic neurological disorder characterized by episodic attacks of headache and associated symptoms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002076","HPO_Synonym__c":"Intermittent migraine headaches; Migraine; Migraine headache; Migraine headaches","HPO_Name__c":"Migraine","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","Feature__r":{"HPO_Description__c":"Reduced function of the gonads (testes in males or ovaries in females) associated with excess pituitary gonadotropin secretion and resulting in delayed sexual development and growth delay.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000815","HPO_Synonym__c":"Hypergonadotrophic hypogonadism; Primary hypogonadism","HPO_Name__c":"Hypergonadotropic hypogonadism","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Occasional (5-29%)","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":"OMIM:614307","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A cataract is an opacity or clouding that develops in the crystalline lens of the eye or in its capsule.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000518","HPO_Synonym__c":"Cataracts; Clouding of the lens of the eye; Cloudy lens; Lens opacities; Lens opacity","HPO_Name__c":"Cataract","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Loss of strength in the arm, leg, and sometimes face on one side of the body. Hemiplegia refers to a complete loss of strength, whereas hemiparesis refers to an incomplete loss of strength.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001269","HPO_Synonym__c":"Weakness of one side of body","HPO_Name__c":"Hemiparesis","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the retina characterized by pigment deposition. It is typically associated with migration and proliferation of macrophages or retinal pigment epithelial cells into the retina; melanin from these cells causes the pigmentary changes. Pigmentary retinopathy is a common final pathway of many retinal conditions and is often associated with visual loss.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000580","HPO_Synonym__c":"Pigmentary retinal deposits; Retinal pigment clumping; Retinal pigmentary clumping; Retinal pigmentary degeneration","HPO_Name__c":"Pigmentary retinopathy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of kinetic tremor that occurs during target directed movement is called intention tremor. That is, an oscillatory cerebellar ataxia that tends to be absent when the limbs are inactive and during the first part of voluntary movement but worsening as the movement continues and greater precision is required (e.g., in touching a target such as the patient's nose or a physician's finger).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002080","HPO_Name__c":"Intention tremor","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Frequently experiencing feelings of being down, miserable, and/or hopeless; struggling to recover from these moods; having a pessimistic outlook on the future; feeling a pervasive sense of shame; having a low self-worth; experiencing thoughts of suicide and engaging in suicidal behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000716","HPO_Synonym__c":"Depression; Depressive episode; Depressivity","HPO_Name__c":"Depression","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614307","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"}}],"tags":{},"synonyms":["alpha-methylacyl-coa racemase deficiency disorder"," amacr"," amacr deficiency"," amacrd"," congenital bile acid synthesis defect type 4"]}