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| Severe Paediatric Disorders v1.141 | STXBP1 | Sarah Leigh edited their review of gene: STXBP1: Added comment: PMID: 31855252 reports a homozygous STXBP1 variant (NM_001032221.6(STXBP1):c.1336C>T (p.Leu446Phe)) in two sisters with developmental and epileptic encephalopathy 4 (OMIM:612164). Their mother and unaffected sister were heterozygous for NM_001032221.6(STXBP1):c.1336C>T (p.Leu446Phe)(the father was deceased). Functional studies showed that this variant had a lesser effect on protein stability in comparison with the heterozygous variants previously reported. However, patch clamp recordings demonstrated that p.Leu446Phe causes a 2-fold increase in evoked synaptic transmission, leading to the conclusion that this variant was having a gain-of-function effect. Although the majority of STXBP1 variants are heterozygous, with a loss-of -function effect, the results published in PMID: 31855252, suggest that there maybe further complexity to mechanisms involved in the development of developmental and epileptic encephalopathy 4. PMID: 35190816 used a computational approach, together with biomedical ontologies, to characterize phenotypic features in STXBP1-related disorders, such that groups of HPO terms could be associated with certain STXBP1 variants.; Changed rating: GREEN; Changed mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.12 | SMS | Louise Daugherty reviewed gene: SMS: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.11 | SMS | Louise Daugherty Publications for gene SMS were updated from to 30847515 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.10 | SMS | Louise Daugherty Added phenotypes Mental retardation, X-linked, Snyder-Robinson type, 309583 for gene: SMS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.10 | COL4A1 | Louise Daugherty Added phenotypes Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, 611773; Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, 618564; Brain small vessel disease with or without ocular anomalies, 175780; ?Retinal arteries, tortuosity of, 180000 for gene: COL4A1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.9 | SMS | Louise Daugherty Added phenotypes Mental retardation, X-linked, Snyder-Robinson type, 309583 for gene: SMS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.9 | COL4A1 | Louise Daugherty Added phenotypes Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, 611773; Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, 618564; Brain small vessel disease with or without ocular anomalies, 175780; ?Retinal arteries, tortuosity of, 180000 for gene: COL4A1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.9 | SMS | Louise Daugherty Added phenotypes Mental retardation, X-linked, Snyder-Robinson type, 309583 for gene: SMS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.9 | COL4A1 | Louise Daugherty Added phenotypes Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, 611773; Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, 618564; Brain small vessel disease with or without ocular anomalies, 175780; ?Retinal arteries, tortuosity of, 180000 for gene: COL4A1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.8 | SMS | Louise Daugherty Added phenotypes Mental retardation, X-linked, Snyder-Robinson type, 309583 for gene: SMS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.8 | COL4A1 | Louise Daugherty Added phenotypes ?Retinal arteries, tortuosity of, 180000; Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, 611773; Brain small vessel disease with or without ocular anomalies, 175780; Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, 618564 for gene: COL4A1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.8 | SMS |
Louise Daugherty Mode of inheritance for gene SMS was changed from to X-LINKED: hemizygous mutation in males, biallelic mutations in females Added phenotypes Mental retardation, X-linked, Snyder-Robinson type, 309583 for gene: SMS |
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| Severe Paediatric Disorders v0.7 | SMS | Louise Daugherty Source Next Generation Children Project was added to SMS. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Severe Paediatric Disorders v0.5 | SMS |
Louise Daugherty Source Expert Review Green was added to SMS. Rating Changed from Red List (low evidence) to Green List (high evidence) |
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| Severe Paediatric Disorders v0.4 | SMS |
Louise Daugherty gene: SMS was added gene: SMS was added to Severe Paediatric Disorders. Sources: Expert list Mode of inheritance for gene: SMS was set to |
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