{"Name":"Pontocerebellar hypoplasia type 1B","DiseaseID__c":"GARD:0015834","id":15834,"encodedName":"pontocerebellar-hypoplasia-type-1b","IsDeleted":false,"Disease_Name_Full__c":"Pontocerebellar hypoplasia type 1B","Xref_IDs__c":"C190872; C3553449; DOID:0060266; MEDGEN:766363; MONDO:0013853; OMIM:614678","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":2,"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":3,"Disease_Characteristics_Score__c":5,"No_of_Age_at_Onset__c":0,"Description_Source__c":"MONDO:0013853","Disease_Description__c":"Any non-syndromic pontocerebellar hypoplasia in which the cause of the disease is a mutation in the EXOSC3 gene.","GARD_Name__c":"Pontocerebellar hypoplasia type 1B","GARD_Synonym__c":"exosc3 non-syndromic pontocerebellar hypoplasia; non-syndromic pontocerebellar hypoplasia caused by mutation in exosc3","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","Curated_Disease_Description__c":"Pontocerebellar hypoplasia type 1B (PCH1B) is an inherited brain disorder. This condition is present at birth. It causes the cerebellum and spinal motor neurons to degrade. Symptoms include muscle weakness and a smaller than average head size. This condition can also cause developmental delays. The age of onset, severity of symptoms, and progression of disease can vary from person to person. This condition is caused by mutations in the EXOSC3 gene. It is inherited in an autosomal recessive pattern. This means two copies of the mutated gene are required to cause the disease.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":null,"SourceID__c":"OMIM:614678","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0013853","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":"Pontocerebellar hypoplasia type 1B (PCH1B) is an inherited brain disorder. This condition is present at birth. It causes the cerebellum and spinal motor neurons to degrade. Symptoms include muscle weakness and a smaller than average head size. This condition can also cause developmental delays. The age of onset, severity of symptoms, and progression of disease can vary from person to person. This condition is caused by mutations in the EXOSC3 gene. It is inherited in an autosomal recessive pattern. This means two copies of the mutated gene are required to cause the disease.","Curated_Disease_Description_Source__c":"PlainLanguagePilotV2-Jan24","GARD_Synonym__c":"exosc3 non-syndromic pontocerebellar hypoplasia; non-syndromic pontocerebellar hypoplasia caused by mutation in exosc3","Name":"Pontocerebellar hypoplasia type 1B","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Fetal Health Foundation","Website__c":"https://www.fetalhealthfoundation.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Neuromuscular medicine","Tag_Category__c":"Specialist","curated_tag_name":"Neuromuscular medicine"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK236968","Source__c":"Gene Review","Xref__c":"NBK236968"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=766363","Source__c":"C3553449","Xref__c":"MEDGEN:766363"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C3553449","Source__c":"C3553449","Xref__c":"C3553449"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0060266","Source__c":"MONDO:0013853","Xref__c":"DOID:0060266"},{"URL__c":"https://www.omim.org/entry/614678","Source__c":"C3553449; MONDO:0013853","Xref__c":"OMIM:614678"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C190872","Source__c":"C3553449","Xref__c":"C190872"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0013853","Source__c":"GARD:0015834","Xref__c":"MONDO:0013853"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"EXOSC3","GHR_URL__c":"https://medlineplus.gov/genetics/gene/exosc3","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Wasting of the tongue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012473","HPO_Synonym__c":"Atrophy of the tongue; Lingual atrophy; Lingual wasting; Wasting of the tongue","HPO_Name__c":"Tongue atrophy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"A flexion contracture is a bent (flexed) joint that cannot be straightened actively or passively. It is thus a chronic loss of joint motion due to structural changes in muscle, tendons, ligaments, or skin that prevents normal movement of joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001371","HPO_Synonym__c":"Flexed joint that cannot be straightened; Flexion contractures; Flexion contractures of joints","HPO_Name__c":"Flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002093","HPO_Synonym__c":"Respiratory impairment","HPO_Name__c":"Respiratory insufficiency","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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:614678","Feature__r":{"HPO_Description__c":"Atrophy (wasting, decrease in size of cells or tissue) affecting the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002059","HPO_Synonym__c":"Degeneration of cerebrum","HPO_Name__c":"Cerebral atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Ocular motor apraxia is a deficiency in voluntary, horizontal, lateral, fast eye movements (saccades) with retention of slow pursuit movements. The inability to follow objects visually is often compensated by head movements. There may be decreased smooth pursuit, and cancelation of the vestibulo-ocular reflex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000657","HPO_Synonym__c":"Ocular motor apraxia","HPO_Name__c":"Oculomotor apraxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"A deficiency or slowing down of growth pre- and postnatally.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001510","HPO_Synonym__c":"Delayed growth; Growth deficiency; Growth delay; Growth failure; Growth retardation; Poor growth; Retarded growth","HPO_Name__c":"Growth delay","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Progressive microcephaly is diagnosed when the head circumference falls progressively behind age- and sex-dependent norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000253","HPO_Synonym__c":"Microcephaly, postnatal, progressive; Microcephaly, progressive; Progressively abnormally small cranium; Progressively abnormally small skull","HPO_Name__c":"Progressive microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","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":"OMIM:614678","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Retinal dystrophy is an abnormality of the retina associated with a hereditary process. Retinal dystrophies are defined by their predominantly monogenic inheritance and they are frequently associated with loss or dysfunction of photoreceptor cells as a primary or secondary event.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000556","HPO_Synonym__c":"Breakdown of light-sensitive cells in back of eye","HPO_Name__c":"Retinal dystrophy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Generalized muscular hypotonia (abnormally low muscle tone).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001290","HPO_Synonym__c":"Generalized decreased muscle tone; Generalized muscular hypotonia; Hypotonia, generalized","HPO_Name__c":"Generalized hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","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:614678","Feature__r":{"HPO_Description__c":"Fasciculations or fibrillation affecting the tongue muscle.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001308","HPO_Synonym__c":"Lingual fasciculations; Lingual fibrillations; Lingual twitching; Tongue fasciculation; Tongue fasciculations/fibrillations; Tongue twitching; Twitching of the tongue","HPO_Name__c":"Tongue fasciculations","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","Feature__r":{"HPO_Description__c":"An abnormality of the skeleton of foot.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001760","HPO_Synonym__c":"Abnormal feet structure; Abnormality of the feet; Abnormality of the foot; Foot deformities; Foot deformity","HPO_Name__c":"Abnormal foot morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Reduced strength of muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001324","HPO_Synonym__c":"Muscle weakness; Muscular weakness","HPO_Name__c":"Muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Displacement of the femur from its normal location in the hip joint.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002827","HPO_Synonym__c":"Dislocated femoral heads; Dislocated hips; Dislocation of hip; Dislocation of the femoral head; Hip dislocation","HPO_Name__c":"Hip dislocation","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","Feature__r":{"HPO_Description__c":"Difficulty to maintain correct position of the head while standing or sitting. Infant head lag is observed when the head seems to flop around or lags posteriorly behind the trunk. Several articles have maintained that head lag should be absent by age 3 to 4 months.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002421","HPO_Synonym__c":"Delay in head control; Delay in head righting; Infant head lag; Poor head control","HPO_Name__c":"Poor head control","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","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":"OMIM:614678","Feature__r":{"HPO_Description__c":"Cerebellar atrophy is defined as a cerebellum with initially normal structures, in a posterior fossa with normal size, which displays enlarged fissures (interfolial spaces) in comparison to the foliae secondary to loss of tissue. Cerebellar atrophy implies irreversible loss of tissue and result from an ongoing progressive disease until a final stage is reached or a single injury, e.g. an intoxication or infectious event.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001272","HPO_Synonym__c":"Atrophic cerebellum; Degeneration of cerebellum","HPO_Name__c":"Cerebellar atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002350","HPO_Synonym__c":"Cerebellar cysts","HPO_Name__c":"Cerebellar cyst","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:614678","Feature__r":{"HPO_Description__c":"Complete lack of development of speech and language abilities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001344","HPO_Synonym__c":"Absent speech development; Lack of language development; Lack of speech; No speech development; No speech or language development; Nonverbal","HPO_Name__c":"Absent speech","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Specialist":["Neurodevelopmental disabilities","Neuromuscular medicine"]},"synonyms":["exosc3 non-syndromic pontocerebellar hypoplasia"," non-syndromic pontocerebellar hypoplasia caused by mutation in exosc3"]}