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Mendeliome v1.2562 BRCC3 Sangavi Sivagnanasundram gene: BRCC3 was added
gene: BRCC3 was added to Mendeliome. Sources: Expert Review
Mode of inheritance for gene: BRCC3 was set to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Publications for gene: BRCC3 were set to 21596366; 33868155; 35815106; 39552268
Phenotypes for gene: BRCC3 were set to MoyaMoya Disease, syndromic, MONDO:0016820
Review for gene: BRCC3 was set to AMBER
Added comment: The same common ~26kb Xq28 deletion was identified in all affected individuals below. No other evidence of any SNVs.

Additional probands with MoyaMoya:
PMID: 35815106 & 39552268
Two unrelated individuals with MoyaMoya and other neurodevelopmental features.
A hemizygous ~26kb Xq28 deletion was identified in both individuals

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Review from CVM panel:
“PMID 21596366: three unrelated families with multiple affected males segregating a deletion involving MTCP1 and BRCC3. Positional approach used. Supportive zebrafish model, knockdown of BRCC3; angiogenesis affected.

PMID 33868155, additional report of affected male, with similar deletion.

No reports of SNVs identified, including in ClinVar.”
Sources: Expert Review
Mendeliome v1.2239 TCP1 Zornitza Stark Phenotypes for gene: TCP1 were changed from neurodevelopmental disorder MONDO:0700092, TCP1-related to Intellectual developmental disorder with polymicrogyria and seizures, MIM# 621021
Mendeliome v1.2238 TCP1 Zornitza Stark reviewed gene: TCP1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Intellectual developmental disorder with polymicrogyria and seizures, MIM# 621021; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.2192 TCP1 Ain Roesley Marked gene: TCP1 as ready
Mendeliome v1.2192 TCP1 Ain Roesley Gene: tcp1 has been classified as Green List (High Evidence).
Mendeliome v1.2192 TCP1 Ain Roesley Marked gene: TCP1 as ready
Mendeliome v1.2192 TCP1 Ain Roesley Gene: tcp1 has been classified as Green List (High Evidence).
Mendeliome v1.2192 TCP1 Ain Roesley Classified gene: TCP1 as Green List (high evidence)
Mendeliome v1.2192 TCP1 Ain Roesley Gene: tcp1 has been classified as Green List (High Evidence).
Mendeliome v1.2191 TCP1 Ain Roesley gene: TCP1 was added
gene: TCP1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: TCP1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: TCP1 were set to 39480921
Phenotypes for gene: TCP1 were set to neurodevelopmental disorder MONDO:0700092, TCP1-related
Penetrance for gene: TCP1 were set to Complete
Review for gene: TCP1 was set to GREEN
gene: TCP1 was marked as current diagnostic
Added comment: previously known as CCT1

8x individuals including 5x de novo
6x PTCs + 2x missense

6/8 DD/ID
2/8 visual impairment
6/8 seizures
6/8 polymicrogyria + 1x Ventriculomegaly, white matter hyperintensities
Sources: Literature