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| Intellectual disability - microarray and sequencing v3.332 | STAT1 | Arina Puzriakova Classified gene: STAT1 as Red List (low evidence) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing v3.332 | STAT1 | Arina Puzriakova Gene: stat1 has been classified as Red List (Low Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing v3.331 | STAT1 | Arina Puzriakova changed review comment from: Following discussion with the clinical team, this gene has been demoted from Amber to Red, in accordance with the external review by Zornitza Stark; to: Following discussion with the clinical team, this gene has been demoted from Amber to Red, in accordance with the external review by Zornitza Stark and Konstantinos Varvagiannis | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing v3.254 | STAT1 | Arina Puzriakova commented on gene: STAT1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing v3.3 | STAT1 | Zornitza Stark reviewed gene: STAT1: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: ; Mode of inheritance: None | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing v2.787 | CDK8 |
Konstantinos Varvagiannis commented on gene: CDK8: Calpena et al. (2019 - PMID: 30905399 - DDD study among the co-authors) report on 12 unrelated individuals with pathogenic CDK8 missense variants. Common features included hypotonia and DD (universal feature). Older children displayed variable degrees of ID (2 mild, 5 moderate, 2 moderate-severe). Other features included feeding difficulties, behavioral disorders, CHD, epilepsy (2 individuals), impaired vision and hearing problems in few. CDK8 (alternatively CDK19) serves a one of the four subunits of a kinase module that reversibly binds to the mediator complex to regulate its activity (in turn, regulation of transcription). Mutations in other genes coding for the 3 other subunits of the kinase module (eg. MED12 or MED13L) lead to syndromic neurodevelopmental disorders. 8 missense CDK8 variants were reported in total. Ser62Leu (NM_001260.2:c.185C>T) was recurrent, observed in 5 subjects. The variants had occurred as de novo events in all cases (10 individuals) where parental samples were available. All variants clustered in the kinase domain (residues 21-335 - of 464 total) around the ATP binding pocket. A thermal stability assay did not reveal gross protein instability in the presence or absence of ATP while the ability to bind ATP was retained for most/all variants. Study of STAT1 phosphorylation was suggestive of attenuated kinase activity for all variants, though to a lesser degree for 2 of them. Given the type of variants (all missense) and the pLI of 0.38 haploinsufficiency appears to be unlikely. A dominant-negative mechanism is favoured. CDK8 is not associated with any phenotype in G2P. As a result, CDK8 can be considered for upgrade to green or amber (if the degree of ID is relevant for the current panel). |
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| Intellectual disability - microarray and sequencing v2.587 | STAT1 | Konstantinos Varvagiannis reviewed gene: STAT1: Rating: AMBER; Mode of pathogenicity: None; Publications: 27114460; Phenotypes: ; Mode of inheritance: None | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing | STAT1 | BRIDGE consortium edited their review of STAT1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing | STAT1 | Louise Daugherty classified STAT1 as amber | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing | STAT1 | Louise Daugherty classified STAT1 as amber | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing | STAT1 | Louise Daugherty commented on STAT1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intellectual disability - microarray and sequencing | STAT1 | BRIDGE consortium reviewed STAT1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||