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Intellectual disability v3.1519 NCDN Ivone Leong Tag Q2_21_rating was removed from gene: NCDN.
Intellectual disability v3.1519 NCDN Sarah Leigh commented on gene: NCDN
Intellectual disability v3.1519 NCDN Ivone Leong Source Expert Review Green was added to NCDN.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Intellectual disability v3.1048 NCDN Arina Puzriakova Tag Q2_21_rating tag was added to gene: NCDN.
Intellectual disability v3.1048 NCDN Arina Puzriakova Classified gene: NCDN as Amber List (moderate evidence)
Intellectual disability v3.1048 NCDN Arina Puzriakova Added comment: Comment on list classification: New gene added by Zornitza Stark. Sufficient evidence to rate this gene as Green with 'monoallelic' MOI at next GMS panel update.

- PMID: 33711248 (2021) - Six affected individuals (3 sibs with homozygous missense, and 3 unrelated patients with different de novo missense variants) with variable degrees of DD, ID, and seizures. Severity of ID in individuals with heterozygous variants is severe, moderate, and mild (but also learning disabilities), respectively. ID in the 3 sibs was determined as mild. Supportive functional data included.

NCDN is not yet associated with any phenotype in OMIM (last edited on 08/08/2012) but in Gene2Phenotype monoallelic disease has a 'probable' confidence rating while biallelic variants have a 'possible' disease confidence rating.
Intellectual disability v3.1048 NCDN Arina Puzriakova Gene: ncdn has been classified as Amber List (Moderate Evidence).
Intellectual disability v3.1047 NCDN Arina Puzriakova Added comment: Comment on mode of inheritance: Setting MOI to 'Monoallelic' as only one biallelic case reported to date, and patients with biallelic variants would still be picked up by the Genomics England pipeline.
Intellectual disability v3.1047 NCDN Arina Puzriakova Mode of inheritance for gene: NCDN was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Intellectual disability v3.1018 NCDN Zornitza Stark gene: NCDN was added
gene: NCDN was added to Intellectual disability. Sources: Literature
Mode of inheritance for gene: NCDN was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Publications for gene: NCDN were set to 33711248
Phenotypes for gene: NCDN were set to Intellectual disability; epilepsy
Review for gene: NCDN was set to GREEN
Added comment: Four families reported, all with de novo missense variants except for 1 consanguineous family where 3 affecteds were homozygous and carrier parents unaffected. ID ranged from mild to severe, several had seizures. Green for mono-allelic disease, Red for bi-allelic.
Sources: Literature