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Intellectual disability syndromic and non-syndromic v0.5785 OTUD7A Zornitza Stark Phenotypes for gene: OTUD7A were changed from Intellectual disability; Epilepsy to Neurodevelopmental disorder with hypotonia and seizures, MIM# 620790
Intellectual disability syndromic and non-syndromic v0.5784 OTUD7A Zornitza Stark edited their review of gene: OTUD7A: Changed phenotypes: Neurodevelopmental disorder with hypotonia and seizures, MIM# 620790
Intellectual disability syndromic and non-syndromic v0.4248 OTUD7A Zornitza Stark Phenotypes for gene: OTUD7A were changed from Epileptic encephalopathy, intellectual disability, no OMIM# yet to Intellectual disability; Epilepsy
Intellectual disability syndromic and non-syndromic v0.4247 OTUD7A Zornitza Stark Publications for gene: OTUD7A were set to PMID: 31997314; 29395075; 29395074
Intellectual disability syndromic and non-syndromic v0.4246 OTUD7A Zornitza Stark Classified gene: OTUD7A as Amber List (moderate evidence)
Intellectual disability syndromic and non-syndromic v0.4246 OTUD7A Zornitza Stark Gene: otud7a has been classified as Amber List (Moderate Evidence).
Intellectual disability syndromic and non-syndromic v0.4245 OTUD7A Zornitza Stark edited their review of gene: OTUD7A: Added comment: Additional patient reported in PMID 33381903, with hypotonia, ID and seizures. Bi-allelic LoF variants. Some supportive functional data.; Changed rating: AMBER; Changed publications: 31997314, 29395075, 29395074, 33381903; Changed phenotypes: Intellectual disability, Epilepsy
Intellectual disability syndromic and non-syndromic v0.2676 OTUD7A Zornitza Stark Phenotypes for gene: OTUD7A were changed from Epileptic encephalopathy, no OMIM# yet to Epileptic encephalopathy, intellectual disability, no OMIM# yet
Intellectual disability syndromic and non-syndromic v0.2675 OTUD7A Zornitza Stark Publications for gene: OTUD7A were set to PMID: 31997314
Intellectual disability syndromic and non-syndromic v0.2674 OTUD7A Zornitza Stark reviewed gene: OTUD7A: Rating: RED; Mode of pathogenicity: None; Publications: 29395075, 29395074; Phenotypes: ; Mode of inheritance: None
Intellectual disability syndromic and non-syndromic v0.2674 OTUD7A Zornitza Stark Marked gene: OTUD7A as ready
Intellectual disability syndromic and non-syndromic v0.2674 OTUD7A Zornitza Stark Gene: otud7a has been classified as Red List (Low Evidence).
Intellectual disability syndromic and non-syndromic v0.2664 OTUD7A Chirag Patel gene: OTUD7A was added
gene: OTUD7A was added to Intellectual disability syndromic and non-syndromic. Sources: Literature
Mode of inheritance for gene: OTUD7A was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: OTUD7A were set to PMID: 31997314
Phenotypes for gene: OTUD7A were set to Epileptic encephalopathy, no OMIM# yet
Review for gene: OTUD7A was set to RED
Added comment: One patient with severe global developmental delay, language impairment and epileptic encephalopathy. Homozygous OTUD7A missense variant (c.697C>T, p.Leu233Phe), predicted to alter an ultraconserved amino acid, lying within the OTU catalytic domain. Its subsequent segregation analysis revealed that the parents, presenting with learning disability, and brother were heterozygous carriers. Biochemical assays demonstrated that proteasome complex formation and function were significantly reduced in patient‐derived fibroblasts and in OTUD7A knockout HAP1 cell line. We provide evidence that biallelic pathogenic OTUD7A variation is linked to early‐onset epileptic encephalopathy and proteasome dysfunction. Gene lies in the chromosome 15q13.3 region. Heterozygous microdeletions of chromosome 15q13.3 show incomplete penetrance and are associated with a highly variable phenotype that may include intellectual disability, epilepsy, facial dysmorphism and digit anomalies.
Sources: Literature