{"Name":"Early-onset Lafora body disease","DiseaseID__c":"GARD:0017482","id":17482,"encodedName":"early-onset-lafora-body-disease","IsDeleted":false,"Disease_Name_Full__c":"Early-onset Lafora body disease","Xref_IDs__c":"733082001; C4225258; DOID:0111445; MEDGEN:907932; MONDO:0014717; OMIM:616640; ORPHA:324290","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":3,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0014717","Disease_Description__c":"A rare genetic progressive myoclonic epilepsy characterized by childhood onset of progressive dysarthria, myoclonus, ataxia, seizures, and cognitive decline. The disease takes a protracted course with patients surviving into adulthood, developing signs and symptoms like psychosis with outbursts of prolonged agitation and screaming, spasticity and hyperreflexia, confusion, mutism, and incontinence. There are no visual disturbances. Muscle biopsy shows numerous periodic acid-Schiff-positive inclusions, so-called Lafora bodies.","GARD_Name__c":"Early-onset Lafora body disease","GARD_Synonym__c":"epilepsy, progressive myoclonic, 10; epilepsy, progressive myoclonic, type 10; epm10","Curated_Disease_Description_Source__c":"MONDO:0014717","Curated_Disease_Description__c":"A rare genetic progressive myoclonic epilepsy characterized by childhood onset of progressive dysarthria, myoclonus, ataxia, seizures, and cognitive decline. The disease takes a protracted course with patients surviving into adulthood, developing signs and symptoms like psychosis with outbursts of prolonged agitation and screaming, spasticity and hyperreflexia, confusion, mutism, and incontinence. There are no visual disturbances. Muscle biopsy shows numerous periodic acid-Schiff-positive inclusions, so-called Lafora bodies.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Child","SourceID__c":"ORPHA:324290","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014717","ORPHANET_ID__c":"ORPHA:324290","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Epilepsia mioclónica progresiva asociada a prdm8","Spanish_Description_Source__c":"ORPHA:324290","Spanish_Description__c":"Es una epilepsia mioclónica progresiva genética y poco frecuente caracterizada por la aparición en la infancia de disartria, mioclonías, ataxia, crisis y deterioro cognitivo. La enfermedad sigue un curso prolongado y los pacientes sobreviven hasta la edad adulta, desarrollando signos y síntomas como psicosis con episodios prolongados de agitación y gritos, espasticidad e hiperreflexia, confusión, mutismo e incontinencia. No se producen alteraciones visuales. La biopsia muscular muestra numerosas inclusiones positivas en la tinción con ácido peryódico de Schiff corresponientes a los llamados cuerpos de Lafora.","Spanish_Disease_Name__c":"epilepsia mioclónica progresiva asociada a prdm8","Spanish_GARD_Synonym__c":"enfermedad de cuerpos de lafora de inicio precoz","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 genetic progressive myoclonic epilepsy characterized by childhood onset of progressive dysarthria, myoclonus, ataxia, seizures, and cognitive decline. The disease takes a protracted course with patients surviving into adulthood, developing signs and symptoms like psychosis with outbursts of prolonged agitation and screaming, spasticity and hyperreflexia, confusion, mutism, and incontinence. There are no visual disturbances. Muscle biopsy shows numerous periodic acid-Schiff-positive inclusions, so-called Lafora bodies.","Curated_Disease_Description_Source__c":"MONDO:0014717","GARD_Synonym__c":"epilepsy, progressive myoclonic, 10; epilepsy, progressive myoclonic, type 10; epm10","Name":"Early-onset Lafora body disease","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Chelsea's Hope: Lafora Children Research Fund","Website__c":"https://www.chelseashope.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":"Epilepsy","Tag_Category__c":"Account;Specialist","curated_tag_name":"Epilepsy"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:324290"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.omim.org/entry/616640","Source__c":"C4225258; MONDO:0014717; ORPHA:324290","Xref__c":"OMIM:616640"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0111445","Source__c":"MONDO:0014717","Xref__c":"DOID:0111445"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4225258","Source__c":"C4225258","Xref__c":"C4225258"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=907932","Source__c":"C4225258","Xref__c":"MEDGEN:907932"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=733082001","Source__c":"MONDO:0014717","Xref__c":"733082001"},{"URL__c":"https://www.orpha.net/en/disease/detail/324290","Source__c":"C4225258; MONDO:0014717","Xref__c":"ORPHA:324290"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014717","Source__c":"GARD:0017482","Xref__c":"MONDO:0014717"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"PRDM8","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An intraneuronal inclusion body composed of acid mucopolysaccharides.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100318","HPO_Name__c":"Lafora bodies","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Spastic weakness affecting all four limbs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001285","HPO_Synonym__c":"Spastic quadriparesis","HPO_Name__c":"Spastic tetraparesis","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Complete lack of speech or verbal communication in a person despite attempts to engage in conversation. Mutism as a phenomena assumes the individual has previous capacity for speech and in the pediatric population it assumes that the person is past the age of typical language development.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002300","HPO_Synonym__c":"Inability to speak; Muteness","HPO_Name__c":"Mutism","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:324290","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Very brief, involuntary random muscular contractions occurring at rest, in response to sensory stimuli, or accompanying voluntary movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001336","HPO_Synonym__c":"Myoclonic jerks","HPO_Name__c":"Myoclonus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Loss of previously present mental abilities, generally in adults.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001268","HPO_Synonym__c":"Cognitive decline; Cognitive decline, progressive; Intellectual deterioration; Mental deterioration; Progressive cognitive decline","HPO_Name__c":"Mental deterioration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Lack of clarity and coherence of thought, perception, understanding, or action.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001289","HPO_Synonym__c":"Confusion; Disorientation; Easily confused; Mental disorientation","HPO_Name__c":"Confusion","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Frequent (30-79%)","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:324290","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":"ORPHA:324290","HPO_Frequency__c":"Occasional (5-29%)","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:324290","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"The feeling and belief that one is being targeted or is a focus of negative or untoward actions, overt or covert, from others. The affected individual expresses a concern that people are in general against the individual and are engaging in subtle behaviors to make things difficult for them. The origins of such thinking may arise from real events and become amplified over time. Paranoia may also arise in the absence of any action or interaction between the person and their environment.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011999","HPO_Synonym__c":"Paranoia","HPO_Name__c":"Paranoia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324290","HPO_Frequency__c":"Frequent (30-79%)","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"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Epilepsy","Pediatrics"],"Account":["Epilepsy"]},"synonyms":["epilepsy, progressive myoclonic, 10"," epilepsy, progressive myoclonic, type 10"," epm10"]}