{"Name":"Dystonia 28, childhood-onset","DiseaseID__c":"GARD:0022359","id":22359,"encodedName":"dystonia-28-childhood-onset","IsDeleted":false,"Disease_Name_Full__c":"Dystonia 28, childhood-onset","Xref_IDs__c":"C4310633; DOID:0060936; MEDGEN:934600; MONDO:0015004; OMIM:617284; ORPHA:589618","USA_Estimate__c":null,"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":null,"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":2,"Description_Source__c":"MONDO:0015004","Disease_Description__c":"Any dystonic disorder in which the cause of the disease is a mutation in the KMT2B gene.","GARD_Name__c":"Dystonia 28, childhood-onset","GARD_Synonym__c":"dystonia 28; dystonia 28, childhood-onset; dyt28; dystonic disorder caused by mutation in kmt2b; dyt28; dyt28 - dystonia 28; kmt2b dystonic disorder; kmt2b-related dystonia; lysine methyltransferase 2b-related dystonia","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","Curated_Disease_Description__c":"Dystonia 28 is a rare genetic disorder that usually starts in infancy or childhood. It is characterized by muscle contractions that get worse over time. The muscle contractions usually begin in the legs and then spread to the arms, torso, face, and neck. People with this disorder experience varying levels of global developmental delay. They also have and intellectual disability that varies from person to person. Additionally, people may have a slightly smaller than usual head size. They may be shorter than usual, and have atypical eye movements. People with Dystonia 28 may have slightly atypical facial features. Dystonia 28 is caused by mutations in the KMT2B. It is inherited in an autosomal dominant pattern. This means a single copy of the mutated gene is sufficient to cause the disorder.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":"as an Infant and as a Child","SourceID__c":"ORPHA:589618","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0015004","ORPHANET_ID__c":"ORPHA:589618","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Distonía 28","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"distonía 28","Spanish_GARD_Synonym__c":"distonía asociada a kmt2b; distonía asociada al gen kmt2b; dyt28","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":"Dystonia 28 is a rare genetic disorder that usually starts in infancy or childhood. It is characterized by muscle contractions that get worse over time. The muscle contractions usually begin in the legs and then spread to the arms, torso, face, and neck. People with this disorder experience varying levels of global developmental delay. They also have and intellectual disability that varies from person to person. Additionally, people may have a slightly smaller than usual head size. They may be shorter than usual, and have atypical eye movements. People with Dystonia 28 may have slightly atypical facial features. Dystonia 28 is caused by mutations in the KMT2B. It is inherited in an autosomal dominant pattern. This means a single copy of the mutated gene is sufficient to cause the disorder.","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","GARD_Synonym__c":"dystonia 28; dystonia 28, childhood-onset; dyt28; dystonic disorder caused by mutation in kmt2b; dyt28; dyt28 - dystonia 28; kmt2b dystonic disorder; kmt2b-related dystonia; lysine methyltransferase 2b-related dystonia","Name":"Dystonia 28, childhood-onset","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Dystonia Society","Website__c":"https://www.dystonia.org.uk/"},{"Account_Name__c":"Dystonia Medical Research Foundation","Website__c":"https://dystonia-foundation.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":"Dystonia","Tag_Category__c":"Account","curated_tag_name":"Dystonia"},{"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":"Childhood","Provided_By__c":"ORPHA:589618"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:589618"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK493766","Source__c":"Gene Review","Xref__c":"NBK493766"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4310633","Source__c":"C4310633","Xref__c":"C4310633"},{"URL__c":"https://www.omim.org/entry/617284","Source__c":"C4310633; MONDO:0015004; ORPHA:589618","Xref__c":"OMIM:617284"},{"URL__c":"https://www.orpha.net/en/disease/detail/589618","Source__c":"C4310633; MONDO:0015004; ORPHA:589618","Xref__c":"ORPHA:589618"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=934600","Source__c":"C4310633","Xref__c":"MEDGEN:934600"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0060936","Source__c":"MONDO:0015004","Xref__c":"DOID:0060936"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0015004","Source__c":"GARD:0022359","Xref__c":"MONDO:0015004"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1281844004","Source__c":"C4310633","Xref__c":"1281844004"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"KMT2B","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of dystonia that affects all or most of the body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007325","HPO_Name__c":"Generalized dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Facial height (length) is more than 2 standard deviations above the mean (objective); or, an apparent increase in the height (length) of the face (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000276","HPO_Synonym__c":"Elongation of face; Increased height of face; Increased length of face; Increased vertical dimension of face; Long face; Long facies; Vertical elongation of face; Vertical enlargement of face; Vertical excess of face; Vertical Facial Excess; Vertical hyperplasia of face; Vertical overgrowth of face","HPO_Name__c":"Long face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","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:589618","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:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of dystonia (abnormally increased muscular tone causing fixed abnormal postures) that affects muscles of the arms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031960","HPO_Name__c":"Arm dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011968","HPO_Synonym__c":"Decreased oral intake; Feeding difficulties; Feeding problems; Poor feeding","HPO_Name__c":"Feeding difficulties","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Attention deficit hyperactivity disorder (ADHD) manifests at age 2-3 years or by first grade at the latest. The main symptoms are distractibility, impulsivity, hyperactivity, and often trouble organizing tasks and projects, difficulty going to sleep, and social problems from being aggressive, loud, or impatient.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007018","HPO_Synonym__c":"ADHD; Attention deficit; Attention deficit disorder; Attention deficit-hyperactivity disorder; Attention deficits; Childhood attention deficit/hyperactivity disorder","HPO_Name__c":"Attention deficit hyperactivity disorder","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hypointence (dark) appearance of the globus pallidus inmagnetic resonance imaging using susceptibility weighted imaging (SWI).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0033049","HPO_Name__c":"Globus pallidus hypointensity on susceptibility-weighted imaging","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Imaging_MRI"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Neurodevelopmental delay (NDD) refers to delays in the maturation of the brain and central nervous system; infants and young children with NDD may experience delays in the development of one or more skills including gross motor abilities, fine-motor coordination, language abilities and ability to solve increasingly complex problems.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012758","HPO_Synonym__c":"NDD","HPO_Name__c":"Neurodevelopmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A defect in the motor ability that enables speech.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002425","HPO_Synonym__c":"Loss of articulate speech","HPO_Name__c":"Anarthria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Functional neurological abnormalities related to dysfunction of the pyramidal tract.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007256","HPO_Synonym__c":"Corticospinal signs; Pyramidal signs; Pyramidal tract signs","HPO_Name__c":"Abnormal pyramidal sign","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A kind of focal dystonia characterized by forceful contractions of the face, jaw, and/or tongue causing difficulty in opening and closing the mouth and often affecting chewing and speech.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012048","HPO_Synonym__c":"Cranial dystonia","HPO_Name__c":"Oromandibular dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004209","HPO_Synonym__c":"Bilateral fifth digit clinodactyly; Bilateral fifth finger clinodactyly; Clinodactyly of fifth digit; Clinodactyly of the little finger; Fifth finger clinodactyly; Permanent curving of the pinkie finger","HPO_Name__c":"Clinodactyly of the 5th finger","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The onset of secondary sexual characteristics before a normal age. Although it is difficult to define normal age ranges because of the marked variation with which puberty begins in normal children, precocious puberty can be defined as the onset of puberty before the age of 8 years in girls or 9 years in boys.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000826","HPO_Synonym__c":"Early onset of puberty; Early puberty","HPO_Name__c":"Precocious puberty","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of dystonia (abnormally increased muscular tone causing fixed abnormal postures) that affects muscles of the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031959","HPO_Name__c":"Leg dystonia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Intense feelings of nervousness, tension, or panic often arise in response to interpersonal stresses. There is worry about the negative effects of past unpleasant experiences and future negative possibilities. Individuals may feel fearful, apprehensive, or threatened by uncertainty, and they may also have fears of falling apart or losing control.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000739","HPO_Synonym__c":"Anxiety; Anxiousness; Excessive, persistent worry and fear","HPO_Name__c":"Anxiety","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased volume and globular shape of the anteroinferior aspect of the nose.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000414","HPO_Synonym__c":"Bulbous nose","HPO_Name__c":"Bulbous nose","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","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"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A misalignment of the eyes so that the visual axes deviate from bifoveal fixation. The classification of strabismus may be based on a number of features including the relative position of the eyes, whether the deviation is latent or manifest, intermittent or constant, concomitant or otherwise and according to the age of onset and the relevance of any associated refractive error.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000486","HPO_Synonym__c":"Cross-eyed; Squint; Squint eyes","HPO_Name__c":"Strabismus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000639","HPO_Synonym__c":"Involuntary, rapid, rhythmic eye movements","HPO_Name__c":"Nystagmus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","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:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Deficiency of thyroid hormone.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000821","HPO_Synonym__c":"Low T4; Underactive thyroid","HPO_Name__c":"Hypothyroidism","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Persistent deficits in social interaction and communication and interaction as well as a markedly restricted repertoire of activity and interest as well as repetitive patterns of behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000729","HPO_Synonym__c":"ASD; Pervasive developmental disorder","HPO_Name__c":"Autistic behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Difficulty in speaking due to a physical disorder of the mouth, tongue, throat, or vocal cords. Associated with a known physical or neurological cause.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001618","HPO_Synonym__c":"Inability to produce voice sounds; Voice change","HPO_Name__c":"Dysphonia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Difficulty in swallowing.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002015","HPO_Synonym__c":"Difficulty swallowing; Poor swallowing; Swallowing difficulties; Swallowing difficulty","HPO_Name__c":"Dysphagia","Feature_System__c":"Nervous System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:589618","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Involuntary contractions of the neck musculature resulting in an abnormal posture of or abnormal movements of the head.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000473","HPO_Synonym__c":"Cervical dystonia; Loxia; Spasmodic torticollis; Wry neck","HPO_Name__c":"Torticollis","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"],"Account":["Dystonia"]},"synonyms":["dystonia 28"," dystonia 28, childhood-onset"," dyt28"," dystonic disorder caused by mutation in kmt2b"," dyt28"," dyt28 - dystonia 28"," kmt2b dystonic disorder"," kmt2b-related dystonia"," lysine methyltransferase 2b-related dystonia"]}