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Segmental overgrowth disorders - Deep sequencing v3.19 GJA4 Achchuthan Shanmugasundram Tag gene-checked tag was added to gene: GJA4.
Segmental overgrowth disorders - Deep sequencing v3.19 GJA4 Achchuthan Shanmugasundram Tag recurrent-variant tag was added to gene: GJA4.
Segmental overgrowth disorders - Deep sequencing v3.19 GJA4 Achchuthan Shanmugasundram Tag Q3_23_promote_green was removed from gene: GJA4.
Tag recurrent-variant was removed from gene: GJA4.
Segmental overgrowth disorders - Deep sequencing v3.19 GJA4 Achchuthan Shanmugasundram reviewed gene: GJA4: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Segmental overgrowth disorders - Deep sequencing v3.18 GJA4 Achchuthan Shanmugasundram Source NHS GMS was added to GJA4.
Source Expert Review Green was added to GJA4.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Segmental overgrowth disorders - Deep sequencing v3.7 GJA4 Arina Puzriakova changed review comment from: Comment on list classification: New gene added by Tom Cullup (GOSH). There is sufficient evidence to promote this gene to green at the next GMS panel update.

A recurrent GJA4 c.121G>T (p.Gly41Cys) somatic variant has been found in >50 individuals with cavernous venous malformation. The same somatic variant has been found in at least three unrelated cases with cutaneous lesions which plausibly could be referred via this panel. Functional studies have shown this is a GoF variant that leads to formation of a hyperactive hemichannel.; to: Comment on list classification: New gene added by Tom Cullup (GOSH). There is sufficient evidence to promote this gene to green at the next GMS panel update.

A recurrent GJA4 c.121G>T (p.Gly41Cys) somatic variant has been found in >50 individuals with cavernous venous malformation. Functional studies have shown this is a GoF variant that leads to formation of a hyperactive hemichannel.
Segmental overgrowth disorders - Deep sequencing v3.7 GJA4 Arina Puzriakova Tag Q3_23_NHS_review was removed from gene: GJA4.
Segmental overgrowth disorders - Deep sequencing v3.7 GJA4 Arina Puzriakova Entity copied from Mosaic skin disorders - deep sequencing v2.14
Segmental overgrowth disorders - Deep sequencing v3.7 GJA4 Arina Puzriakova gene: GJA4 was added
gene: GJA4 was added to Segmental overgrowth disorders - Deep sequencing. Sources: Expert Review Amber,Expert list
Q3_23_promote_green, Q3_23_NHS_review, recurrent-variant tags were added to gene: GJA4.
Mode of inheritance for gene: GJA4 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: GJA4 were set to 33912852; 35642047; 35902510; 36209871; 37072338
Phenotypes for gene: GJA4 were set to Cutaneous and hepatic vascular lesions (no OMIM phenotype)
Penetrance for gene: GJA4 were set to unknown
Mode of pathogenicity for gene: GJA4 was set to Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments