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Early onset or syndromic epilepsy v3.30 KCNC2 Arina Puzriakova Tag Q2_22_rating was removed from gene: KCNC2.
Early onset or syndromic epilepsy v3.29 KCNC2 Arina Puzriakova reviewed gene: KCNC2: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Early onset or syndromic epilepsy v3.28 KCNC2 Arina Puzriakova Source Expert Review Green was added to KCNC2.
Source NHS GMS was added to KCNC2.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Early onset or syndromic epilepsy v2.515 KCNC2 Sarah Leigh Classified gene: KCNC2 as Amber List (moderate evidence)
Early onset or syndromic epilepsy v2.515 KCNC2 Sarah Leigh Added comment: Comment on list classification: There is enough evidence for this gene to be rated GREEN at the next major review.
Early onset or syndromic epilepsy v2.515 KCNC2 Sarah Leigh Gene: kcnc2 has been classified as Amber List (Moderate Evidence).
Early onset or syndromic epilepsy v2.514 KCNC2 Sarah Leigh Tag Q2_22_rating tag was added to gene: KCNC2.
Early onset or syndromic epilepsy v2.514 KCNC2 Sarah Leigh reviewed gene: KCNC2: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: ; Mode of inheritance: None
Early onset or syndromic epilepsy v2.514 KCNC2 Sarah Leigh Publications for gene: KCNC2 were set to 32392612; 31972370
Early onset or syndromic epilepsy v2.500 KCNC2 Helen Lord reviewed gene: KCNC2: Rating: GREEN; Mode of pathogenicity: None; Publications: 35314505; Phenotypes: epilepsy; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Early onset or syndromic epilepsy v2.477 KCNC2 Zornitza Stark gene: KCNC2 was added
gene: KCNC2 was added to Genetic epilepsy syndromes. Sources: Literature
Mode of inheritance for gene: KCNC2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: KCNC2 were set to 32392612; 31972370
Phenotypes for gene: KCNC2 were set to epileptic encephalopathy; spastic tetraplegia; opisthotonus attacks; intellectual disability; West syndrome
Review for gene: KCNC2 was set to AMBER
Added comment: PMID: 31972370. De novo missense variant (p.Val471Leu) identified in a child with early severe developmental and epileptic encephalopathy, spastic tetraplegia, opisthotonos attacks.

PMID: 32392612. De novo missense variant (p.Asp167Tyr) identified in a neurofibromatosis type 1 related West syndrome patient. Functional analysis showed a significant reduction of the mean potassium current and a shift in the voltage dependence of steady-state activation. Maternally inherited NF1 variant (p.T1951Nfs*5) also identified, the mother was "clinically unremarkable".
Sources: Literature