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Intellectual disability syndromic and non-syndromic v0.5657 PRICKLE2 Zornitza Stark changed review comment from: LIMITED by ClinGen.; to: LIMITED by ClinGen; however, experimental evidence appears not to have been considered.
Intellectual disability syndromic and non-syndromic v0.5657 PRICKLE2 Zornitza Stark Phenotypes for gene: PRICKLE2 were changed from Neurodevelopmental disorder; global developmental delay; behavioural difficulties ± epilepsy; autistic features; attention deficit hyperactive disorder; psychiatric symptoms to Neurodevelopmental disorder MONDO:0700092, PRICKLE2-related
Intellectual disability syndromic and non-syndromic v0.5656 PRICKLE2 Zornitza Stark Publications for gene: PRICKLE2 were set to PMID: 34092786
Intellectual disability syndromic and non-syndromic v0.5655 PRICKLE2 Zornitza Stark Classified gene: PRICKLE2 as Amber List (moderate evidence)
Intellectual disability syndromic and non-syndromic v0.5655 PRICKLE2 Zornitza Stark Gene: prickle2 has been classified as Amber List (Moderate Evidence).
Intellectual disability syndromic and non-syndromic v0.5654 PRICKLE2 Zornitza Stark reviewed gene: PRICKLE2: Rating: AMBER; Mode of pathogenicity: None; Publications: 34092786, 21276947, 26942291, 26942292; Phenotypes: Neurodevelopmental disorder MONDO:0700092, PRICKLE2-related; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Marked gene: PRICKLE2 as ready
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Gene: prickle2 has been classified as Green List (High Evidence).
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Marked gene: PRICKLE2 as ready
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Gene: prickle2 has been classified as Green List (High Evidence).
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Classified gene: PRICKLE2 as Green List (high evidence)
Intellectual disability syndromic and non-syndromic v0.4105 PRICKLE2 Zornitza Stark Gene: prickle2 has been classified as Green List (High Evidence).
Intellectual disability syndromic and non-syndromic v0.4104 PRICKLE2 Hazel Phillimore gene: PRICKLE2 was added
gene: PRICKLE2 was added to Intellectual disability syndromic and non-syndromic. Sources: Literature
Mode of inheritance for gene: PRICKLE2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: PRICKLE2 were set to PMID: 34092786
Phenotypes for gene: PRICKLE2 were set to Neurodevelopmental disorder; global developmental delay; behavioural difficulties ± epilepsy; autistic features; attention deficit hyperactive disorder; psychiatric symptoms
Review for gene: PRICKLE2 was set to GREEN
Added comment: Six subjects from four unrelated families with neurodevelopmental delay, behavioural difficulties and epilepsy had heterozygous variants, either de novo or segregating with disease.

Two missense were de novo, c.122 C>T; p.(Pro41Leu) and c.680C>G; p.(Thr227Arg); one nonsense variant was de novo (c.214 C>T; p.(Arg72*); and one frameshift variant segregated with the disorder in three affected females (c.1286_1287delGT; p.(Ser429Thrfs*56)).

Loss-of-function (homozygous) variants have been shown to cause seizures in flies; and both heterozygous and homozygous mice have shown behavioral abnormalities including altered social interaction, learning abnormalities, and behavioral inflexibility (PMID: 21276947).
Sources: Literature