{"Name":"ALG8 congenital disorder of glycosylation","DiseaseID__c":"GARD:0009834","id":9834,"encodedName":"alg8-congenital-disorder-of-glycosylation","IsDeleted":false,"Disease_Name_Full__c":"ALG8 congenital disorder of glycosylation","Xref_IDs__c":"720977000; C206097; C2931002; C535746; DOID:0080560; MEDGEN:419692; MONDO:0011969; OMIM:608104; ORPHA:79325","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":8,"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":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":3,"Description_Source__c":"MONDO:0011969","Disease_Description__c":"A rare form of congenital disorders of N-linked glycosylation characterized by gastrointestinal symptoms (diarrhea, vomiting, feeding problems with failure to thrive, protein-losing enteropathy), edema and ascites (including hydrops fetalis), hepatomegaly, renal tubulopathy, coagulation anomalies due to thrombocytopenia, brain involvement (psychomotor delay, seizures, ataxia), facial dysmorphism (low-set ears and retrognathia), pes equinovarus, and muscular hypotonia. Cataracts may also be observed. Prognosis is usually poor. The disease is caused by loss-of-function mutations in the gene <i>ALG8</i> (11q14.1), resulting in a block in the initial step of protein glycosylation.","GARD_Name__c":"ALG8 congenital disorder of glycosylation","GARD_Synonym__c":"alg8-cdg; alg8-cdg - asparagine-linked glycosylation 8 congenital disorder of glycosylation; alg8-cdg (cdg-ih); alg8-congenital disorder of glycosylation; asparagine-linked glycosylation 8 congenital disorder of glycosylation; carbohydrate deficient glycoprotein syndrome type ih; cdg ih; cdg syndrome type ih; cdg-ih; cdg1h; congenital disorder of glycosylation type 1h; congenital disorder of glycosylation type ih; congenital disorder of glycosylation, type ih; glucosyltransferase 2 deficiency","Curated_Disease_Description_Source__c":"MONDO:0011969","Curated_Disease_Description__c":"A rare form of congenital disorders of N-linked glycosylation characterized by gastrointestinal symptoms (diarrhea, vomiting, feeding problems with failure to thrive, protein-losing enteropathy), edema and ascites (including hydrops fetalis), hepatomegaly, renal tubulopathy, coagulation anomalies due to thrombocytopenia, brain involvement (psychomotor delay, seizures, ataxia), facial dysmorphism (low-set ears and retrognathia), pes equinovarus, and muscular hypotonia. Cataracts may also be observed. Prognosis is usually poor. The disease is caused by loss-of-function mutations in the gene ALG8 (11q14.1), resulting in a block in the initial step of protein glycosylation.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy, at Birth, and as an Infant","SourceID__c":"ORPHA:79325","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0011969","ORPHANET_ID__c":"ORPHA:79325","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Alg8-cdg","Spanish_Description_Source__c":"ORPHA:79325","Spanish_Description__c":"Es una forma poco frecuente de trastorno congénito de la N-glicosilación caracterizado por síntomas gastrointestinales (diarrea, vómitos y problemas en la alimentación acompañados de fallo de medro, enteropatía-perdedora de proteínas), edema y ascitis (incluyendo hidropesía fetal), hepatomegalia, tubulopatía renal, anomalías de la coagulación debidas a trombocitopenia, afectación cerebral (retraso psicomotor, convulsiones, ataxia), dismorfia facial (orejas de implantación baja, retrognatia), pie zambo e hipotonía muscular. En ciertos casos se pueden observar cataratas. Por lo habitual, el pronóstico es desfavorable. La enfermedad está causada por mutaciones de pérdida de función en el gen <i>ALG8</i> (11q14.1), que bloquean la etapa inicial de glicosilación de proteínas.","Spanish_Disease_Name__c":"alg8-cdg","Spanish_GARD_Synonym__c":"cdg-ih; cdg1h; deficiencia de glucosiltransferasa 2; síndrome cdg tipo ih; síndrome de glicoproteínas deficientes en carbohidratos tipo ih; trastorno congénito de la glicosilación tipo 1h; trastorno congénito de la glicosilación tipo ih","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":"A rare form of congenital disorders of N-linked glycosylation characterized by gastrointestinal symptoms (diarrhea, vomiting, feeding problems with failure to thrive, protein-losing enteropathy), edema and ascites (including hydrops fetalis), hepatomegaly, renal tubulopathy, coagulation anomalies due to thrombocytopenia, brain involvement (psychomotor delay, seizures, ataxia), facial dysmorphism (low-set ears and retrognathia), pes equinovarus, and muscular hypotonia. Cataracts may also be observed. Prognosis is usually poor. The disease is caused by loss-of-function mutations in the gene ALG8 (11q14.1), resulting in a block in the initial step of protein glycosylation.","Curated_Disease_Description_Source__c":"MONDO:0011969","GARD_Synonym__c":"alg8-cdg; alg8-cdg - asparagine-linked glycosylation 8 congenital disorder of glycosylation; alg8-cdg (cdg-ih); alg8-congenital disorder of glycosylation; asparagine-linked glycosylation 8 congenital disorder of glycosylation; carbohydrate deficient glycoprotein syndrome type ih; cdg ih; cdg syndrome type ih; cdg-ih; cdg1h; congenital disorder of glycosylation type 1h; congenital disorder of glycosylation type ih; congenital disorder of glycosylation, type ih; glucosyltransferase 2 deficiency","Name":"ALG8 congenital disorder of glycosylation","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Metabolic Support UK","Website__c":"https://www.metabolicsupportuk.org"},{"Account_Name__c":"CDG & Allies - PPAIN","Website__c":"https://worldcdg.org/hashtags/cdg-allies-ppain"},{"Account_Name__c":"CDG CARE","Website__c":"https://cdgcare.org/"},{"Account_Name__c":"CDG Canada","Website__c":"https://canadacdg.com/"}],"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":"Ophthalmology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Nephrology","Tag_Category__c":"Account;Disease Category;Specialist","category_description":"Kidney diseases affect the kidneys' ability to remove waste and water from blood, create urine, or make certain hormones.","curated_tag_name":"Kidney 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":"Anterior segment of Eye","Tag_Category__c":"Specialist","curated_tag_name":"Front part of eye disease"},{"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":"Neonatal","Provided_By__c":"ORPHA:79325"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:79325"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:79325"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C2931002"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0009834","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK1332","Source__c":"Gene Review","Xref__c":"NBK1332"},{"URL__c":"https://www.orpha.net/en/disease/detail/79325","Source__c":"C2931002; MONDO:0011969; ORPHA:79325","Xref__c":"ORPHA:79325"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0080560","Source__c":"MONDO:0011969","Xref__c":"DOID:0080560"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=419692","Source__c":"C2931002","Xref__c":"MEDGEN:419692"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C535746","Source__c":"MONDO:0011969","Xref__c":"C535746"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=720977000","Source__c":"C2931002; MONDO:0011969","Xref__c":"720977000"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C2931002","Source__c":"C2931002","Xref__c":"C2931002"},{"URL__c":"https://www.omim.org/entry/608104","Source__c":"C2931002; MONDO:0011969; ORPHA:79325","Xref__c":"OMIM:608104"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C206097","Source__c":"C2931002","Xref__c":"C206097"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0011969","Source__c":"GARD:0009834","Xref__c":"MONDO:0011969"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"ALG8","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:79325","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:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the gastrointestinal tract.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011024","HPO_Synonym__c":"Abnormality of the gastrointestinal tract; Abnormality of the GI tract","HPO_Name__c":"Abnormality of the gastrointestinal tract","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Diminished amniotic fluid volume in pregnancy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001562","HPO_Synonym__c":"Low levels of amniotic fluid; Maternal oligohydramnios","HPO_Name__c":"Oligohydramnios","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of an increased degree of wrinkling (irregular folds and indentations) of the skin as compared with age-related norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100678","HPO_Synonym__c":"Premature skin wrinkling","HPO_Name__c":"Premature skin wrinkling","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the corpus callosum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002079","HPO_Synonym__c":"Corpus callosum hypoplasia; Hypoplasia of corpus callosum; Hypoplastic corpus callosum; Underdevelopment of part of brain called corpus callosum","HPO_Name__c":"Hypoplasia of the corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal morphology (form) of the face or its components.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001999","HPO_Synonym__c":"Abnormal facial shape; Abnormal morphology of the face; Distinctive facies; Dysmorphic facial features; Dysmorphic facies; Facial dysmorphism; Unusual facial appearance; Unusual facies","HPO_Name__c":"Abnormal facial shape","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Leukodystrophy refers to deterioration of white matter of the brain resulting from degeneration of myelin sheaths in the CNS. Their basic defect is directly related to the synthesis and maintenance of myelin membranes. Symmetric white matter involvement at MRI is a typical finding in patients with leukodystrophies.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002415","HPO_Synonym__c":"Degeneration of white matter of brain","HPO_Name__c":"Leukodystrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the coagulation cascade, which is comprised of the contact activation pathway (also known as the intrinsic pathway) and the tissue factor pathway (also known as the extrinsic pathway) as well as cofactors and regulators.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003256","HPO_Synonym__c":"Coagulopathy","HPO_Name__c":"Abnormality of the coagulation cascade","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the cortex of the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002120","HPO_Synonym__c":"Cerebral cortex atrophy; Cortical atrophy; Decrease in size of the outer layer of the brain due to loss of brain cells","HPO_Name__c":"Cerebral cortical atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","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:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Any morphological abnormality of the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011121","HPO_Synonym__c":"Abnormal skin morphology; Abnormal skin structure; Abnormality of skin morphology","HPO_Name__c":"Abnormal skin morphology","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"This term describes abnormality of the white matter of the cerebrum resulting from damage to the myelin sheaths of nerve cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002352","HPO_Name__c":"Leukoencephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of nipples that instead of pointing outward are retracted inwards.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003186","HPO_Synonym__c":"Invaginated nipples; Inverted nipples","HPO_Name__c":"Inverted nipples","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduction in the number of circulating thrombocytes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001873","HPO_Synonym__c":"Low platelet count","HPO_Name__c":"Thrombocytopenia","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","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:79325","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Interpupillary distance more than 2 SD above the mean (alternatively, the appearance of an increased interpupillary distance or widely spaced eyes).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000316","HPO_Synonym__c":"Excessive orbital separation; Increased distance between eye sockets; Increased distance between eyes; Increased interpupillary distance; Ocular hypertelorism; Wide-set eyes; Widely spaced eyes; Widened interpupillary distance","HPO_Name__c":"Hypertelorism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased length and width of the tongue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000158","HPO_Synonym__c":"Abnormally large tongue; Hyperplasia of the tongue; Hypertrophy of the tongue; Increased size of tongue; Large tongue; Tongue hypertrophy","HPO_Name__c":"Macroglossia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000648","HPO_Synonym__c":"Optic nerve atrophy; Optic-nerve degeneration","HPO_Name__c":"Optic atrophy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any noninflammatory disease of the retina. This nonspecific term is retained here because of its wide use in the literature, but if possible new annotations should indicate the precise type of retinal abnormality.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000488","HPO_Synonym__c":"Noninflammatory retina disease","HPO_Name__c":"Retinopathy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The abnormal accumulation of fluid in two or more fetal compartments, including ascites, pleural effusion, pericardial effusion, and skin edema.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001789","HPO_Name__c":"Hydrops fetalis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Wrinkled, redundant, inelastic and sagging skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000973","HPO_Synonym__c":"Chalazoderma; Cutaneous laxity; Dermatochalasia; Dermatomegaly; Elastolysis; Generalized elastolysis; Hypoelastic skin; Inelastic skin; Lax skin; Loose and inelastic skin; Loose skin; Skin laxity","HPO_Name__c":"Cutis laxa","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Talipes equinovarus (also called clubfoot) typically has four main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001762","HPO_Synonym__c":"Club feet; Club foot; Clubbing of feet; Clubfeet; Clubfoot; Equinovarus; Foot, talipes equinovarus; Pes equinovarus; Pes equinus","HPO_Name__c":"Talipes equinovarus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of coagulation related to a decreased concentration of vitamin K-dependent protein C. Protein C is activated to protein Ca by thrombin bound to thrombomodulin. Activated protein C degrades factors VIIIa and Va.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005543","HPO_Synonym__c":"Protein C deficiency","HPO_Name__c":"Reduced protein C activity","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Accumulation of fluid in the peritoneal cavity (between the layers of the peritoneum that lines the abdomen).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001541","HPO_Synonym__c":"Accumulation of fluid in the abdomen; Peritoneal effusion","HPO_Name__c":"Ascites","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001508","HPO_Synonym__c":"Faltering weight; FTT; Postnatal failure to thrive; Weight faltering","HPO_Name__c":"Failure to thrive","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Forceful ejection of the contents of the stomach through the mouth by means of a series of involuntary spasmic contractions.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002013","HPO_Synonym__c":"Emesis; Throwing up; Vomiting","HPO_Name__c":"Vomiting","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of coagulation related to a decreased concentration of antithrombin-III.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001976","HPO_Synonym__c":"Anti-thrombin III deficiency; Antithrombin III deficiency; Decreased antithrombin III","HPO_Name__c":"Reduced antithrombin III activity","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal transferrin isoform profile consistent with a type I congenital disorder of glycosylation. In the traditional nomenclature for congenital disorders of glycosylation, absence of entire glycans was designated type I, and loss of one or more monosaccharides as type II.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003642","HPO_Synonym__c":"Abnormal isoelectric focusing of serum transferrin, type I pattern; Isoelectric focusing of serum transferrin consistent with CDG type I; Type 1 transferrin isoform profile","HPO_Name__c":"Type I transferrin isoform profile","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduction in erythrocytes volume or hemoglobin concentration.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001903","HPO_Synonym__c":"Anaemia; Low number of red blood cells or hemoglobin","HPO_Name__c":"Anemia","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormally decreased sodium concentration in the blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002902","HPO_Synonym__c":"Low blood sodium levels","HPO_Name__c":"Hyponatremia","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:79325","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001156","HPO_Synonym__c":"Brachydactyly syndrome; Short fingers or toes","HPO_Name__c":"Brachydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner canthi of the eye and extending posteriorly to the ear.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000369","HPO_Synonym__c":"Low set ears; Low-set ears; Low-set pinnae; Lowset ears; Melotia","HPO_Name__c":"Low-set ears","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Decreased activity of coagulation factor XI. Factor XI, also known as plasma thromboplastin antecedent, is a serine proteinase that activates factor IX.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001929","HPO_Synonym__c":"Low factor XI activity","HPO_Name__c":"Reduced factor XI activity","Feature_System__c":"Blood and Blood-Forming Tissue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal accumulation of fluid beneath the skin, or in one or more cavities of the body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000969","HPO_Synonym__c":"Dropsy; Fluid retention; Hydrops; Oedema; Water retention","HPO_Name__c":"Edema","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:79325","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of the nervous system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000707","HPO_Synonym__c":"Abnormality of the nervous system; Neurologic abnormalities; Neurological abnormality","HPO_Name__c":"Abnormality of the nervous system","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Smaller than normal size according to sex and gestational age related norms, defined as a weight below the 10th percentile for the gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001518","HPO_Synonym__c":"Birth weight less than 10th percentile; Low birth weight; Small for gestational age","HPO_Name__c":"Small for gestational age","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012385","HPO_Synonym__c":"Permanent flexion of the finger or toe","HPO_Name__c":"Camptodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Any abnormality of the eye, including location, spacing, and intraocular abnormalities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000478","HPO_Synonym__c":"Abnormal eye; Abnormality of the eye","HPO_Name__c":"Abnormality of the eye","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Frequent (30-79%)","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:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormally increased frequency (usually defined as three or more) loose or watery bowel movements a day.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002014","HPO_Synonym__c":"Diarrhea; Watery stool","HPO_Name__c":"Diarrhea","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001001","HPO_Synonym__c":"Abnormality of fatty tissue below the skin","HPO_Name__c":"Abnormality of subcutaneous fat tissue","Feature_System__c":"Skin System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:79325","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001252","HPO_Synonym__c":"Low muscle tone; Low or weak muscle tone; Muscle hypotonia; Muscular hypotonia","HPO_Name__c":"Hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism"],"Disease Category":["Genetics","Neurology","Nephrology","Gastroenterology","Inborn Errors of Metabolism"],"Specialist":["Genetics","Neurology","Ophthalmology","Nephrology","Gastroenterology","Anterior segment of Eye","Neurodevelopmental disabilities","Pediatrics"],"Account":["Nephrology"]},"synonyms":["alg8-cdg"," alg8-cdg - asparagine-linked glycosylation 8 congenital disorder of glycosylation"," alg8-cdg (cdg-ih)"," alg8-congenital disorder of glycosylation"," asparagine-linked glycosylation 8 congenital disorder of glycosylation"," carbohydrate deficient glycoprotein syndrome type ih"," cdg ih"," cdg syndrome type ih"," cdg-ih"," cdg1h"," congenital disorder of glycosylation type 1h"," congenital disorder of glycosylation type ih"," congenital disorder of glycosylation, type ih"," glucosyltransferase 2 deficiency"]}