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Intellectual disability

Gene: NAPB

Green List (high evidence)
NAPB (NSF attachment protein beta)
EnsemblGeneIds (GRCh38): ENSG00000125814
EnsemblGeneIds (GRCh37): ENSG00000125814
OMIM: 611270, Gene2Phenotype
NAPB is in 4 panels

2 reviews

Arina Puzriakova (Genomics England Curator)

Green List (high evidence)

The rating of this gene has been updated to Green and the mode of inheritance set to 'BIALLELIC, autosomal or pseudoautosomal' following NHS Genomic Medicine Service approval.
Created: 30 Jan 2023, 5:50 p.m. | Last Modified: 30 Jan 2023, 5:50 p.m.
Panel Version: 4.53
Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update. At least 3 unrelated families (4 affected individuals) with distinct homozygous variants in this gene, universally presenting seizures, profound ID and microcephaly. Pathogenicity is supported by a complimentary knockout mouse model demonstrating recurrent post-natal epileptic seizures which were lethal in some mice.
Created: 6 Apr 2022, 11:25 a.m. | Last Modified: 6 Apr 2022, 11:25 a.m.
Panel Version: 2.506
Created: 6 Apr 2022, 11:25 a.m.
Last Modified: 6 Apr 2022, 11:25 a.m.
Copied from panel: Genetic epilepsy syndromes v2.506

Tracy Lester (Genetics laboratory, Oxford UK)

Green List (high evidence)

Three cases reported with early infantile epileptic encepahlopathy and with homozygous LOF variants in this gene. Null mice also develop severe recurrent epileptic seizures from day 11, followed by ataxia. Sufficient evidence to be considered as green gene on the epilepsy and ID panels, autosomal recessive inheritance only.
Sources: NHS GMS
Created: 20 Mar 2022, 9:26 a.m.

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Early infantile epileptic encephalopathy

Publications

Created: 20 Mar 2022, 9:26 a.m.

Copied from panel: Genetic epilepsy syndromes v2.506

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • NHS GMS
Phenotypes
  • Developmental and epileptic encephalopathy 107, OMIM:620033
OMIM
611270
Clinvar variants
Variants in NAPB
Penetrance
unknown
Publications
Panels with this gene

History Filter Activity

12 Apr 2023, Gel status: 3

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: NAPB were changed from Early infantile epileptic encephalopathy to Developmental and epileptic encephalopathy 107, OMIM:620033

31 Jan 2023, Gel status: 3

Removed Tag, Removed Tag

Arina Puzriakova (Genomics England Curator)

Tag Q2_22_rating was removed from gene: NAPB. Tag Q2_22_NHS_review was removed from gene: NAPB.

30 Jan 2023, Gel status: 3

Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

Source Expert Review Green was added to NAPB. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

6 Apr 2022, Gel status: 2

Created, Added New Source, Added Tag, Set mode of inheritance, Set publications, Set Phenotypes, Set penetrance

Arina Puzriakova (Genomics England Curator)

gene: NAPB was added gene: NAPB was added to Intellectual disability. Sources: Expert Review Amber,NHS GMS Q2_22_rating, Q2_22_NHS_review tags were added to gene: NAPB. Mode of inheritance for gene: NAPB was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: NAPB were set to 28097321; 33189936; 26235277; 21040848 Phenotypes for gene: NAPB were set to Early infantile epileptic encephalopathy Penetrance for gene: NAPB were set to unknown