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Mendeliome v1.3555 NAA16 Lucy Spencer gene: NAA16 was added
gene: NAA16 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: NAA16 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: NAA16 were set to 41148812; 23665959; 28991257
Phenotypes for gene: NAA16 were set to Congenital heart disease, MONDO:0005453, NAA16-related
Review for gene: NAA16 was set to AMBER
Added comment: NAA16 is part of the auxiliary subunit of the NatA complex along with NAA15. this complex is responsible for acetylating a broad range of proteins following initiator methionine removal. NAA15 and NAA10 which is part of the catalytic subunit of the complex have previously been associated with neurodevelopmental disorders, including CHD for NAA15.

PMID 41148812 3 individuals from 3 unrelated families with heterozygous NAA16 variants (p.R70C missense de novo; p.L765fs and p.E630fs frameshifts unclear inheritance) presenting with congenital heart disease (atrial septal defect, Tetralogy of Fallot, conotruncal defects). These 3 families were identified in a large cohort from the Paediatric Cardiac Genomic Consortium (PMID: 23665959, PMID: 28991257). One of the individuals with a frameshift is also listed as having a neurodevelopmental phenotype PMID: 28991257. Arg70Cys has 24 hets in gnomad and the gene is not very constrained for LOF.

PMID 41148812 Drosophila cardiac‑specific rescue assay shows loss‑of‑function for the missense variant (unable to rescue the phenotype), supporting pathogenicity.
Sources: Literature
Mendeliome v1.2948 HYPK Krithika Murali gene: HYPK was added
gene: HYPK was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: HYPK was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: HYPK were set to Clinical Genetics Early View
Phenotypes for gene: HYPK were set to Neurodevelopmental disorder, MONDO:0700092, HYPK-related
Review for gene: HYPK was set to RED
Added comment: Single case report - Patel, R. et al 2025 Clinical Genetics Early View

Male proband with developmental delay, autism and facial dysmorphism with a de novo missense HYPK variant (p. R70I). Variant-specific biochemical analyses demonstrates enhanced inhibitory activity of HYPK on NatA-mediated N-terminal protein acetylation.

GestaltMatcher analysis indicates that the proband's facial phenotype closely resembles Ogden syndrome (NAA10) and some resemblance to NAA15-NDS - both associated genes are also involved in the N-terminal acetylation pathway.
Sources: Literature
Mendeliome v0.11206 NAA15 Zornitza Stark Marked gene: NAA15 as ready
Mendeliome v0.11206 NAA15 Zornitza Stark Gene: naa15 has been classified as Green List (High Evidence).
Mendeliome v0.11206 NAA15 Zornitza Stark Phenotypes for gene: NAA15 were changed from to Intellectual developmental disorder, autosomal dominant 50, with behavioral abnormalities - MIM#617787
Mendeliome v0.11205 NAA15 Zornitza Stark Publications for gene: NAA15 were set to
Mendeliome v0.11204 NAA15 Zornitza Stark Mode of inheritance for gene: NAA15 was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.11189 NAA15 Krithika Murali reviewed gene: NAA15: Rating: GREEN; Mode of pathogenicity: None; Publications: 33103328, 29656860, 31127942, 28191889, 33557580, 28990276; Phenotypes: Intellectual developmental disorder, autosomal dominant 50, with behavioral abnormalities - MIM#617787; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.0 NAA15 Zornitza Stark gene: NAA15 was added
gene: NAA15 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: NAA15 was set to Unknown