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Fetal anomalies

Gene: SNF8

Green List (high evidence)
SNF8 (SNF8, ESCRT-II complex subunit)
EnsemblGeneIds (GRCh38): ENSG00000159210
EnsemblGeneIds (GRCh37): ENSG00000159210
OMIM: 610904, Gene2Phenotype
SNF8 is in 5 panels

2 reviews

Achchuthan Shanmugasundram (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: 25 Feb 2025, 11:15 a.m. | Last Modified: 25 Feb 2025, 11:15 a.m.
Panel Version: 5.78
This gene and phenotype were reviewed during meetings between November 2024 & January 2025. The meetings included representatives of the Central & South and North Thames R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Stephanie Allen, Natalie Bibb, and Sarah Graham (Central & South GLH), Natalie Chandler and Elizabeth Scotchman (North Thames GLH), and Sunayna Best, Anna De Burca, Natalie Canham, Samantha Doyle, Alice Gardham, Victoria Harrison, Esther Kinning, Sahar Mansour, Soo-Mi Park, and Elizabeth Wall (R21 Clinical Oversight Group).
Created: 20 Feb 2025, 9:40 p.m. | Last Modified: 20 Feb 2025, 9:40 p.m.
Panel Version: 5.16

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Created: 20 Feb 2025, 9:40 p.m.
Last Modified: 20 Feb 2025, 9:40 p.m.
Panel version: 5.78

Sunayna Best (Leeds Teaching Hospitals NHS Trust)

Green List (high evidence)

Green on ID panel. Brugger et al, 2024: male fetus, structural brain malformations identified prenatally (dysgenesis of the corpus callosum, tear-drop lateral ventricles and irregular cavum septum pellucidum), resulted in TOP. Sibling: MRI brain - pronounced and progressive white matter atrophy of the cerebrum as well as hypo- or aplasia of the corpus callosum. Further family: reduced size corpus callosum detected antenatally. Postnatal: brain confirmed the initial findings of hypoplasia of the corpus callosum as well as supratentorial brain atrophy. Functional work: patient derived fibroblasts and zebrafish models: conclude that loss of ESCRT-II due to bi-allelic SNF8 variants is associated with a spectrum of neurodevelopmental/neurodegenerative phenotypes mediated likely via impairment of the autophagic flux. 2 cases with documented prenatal phenotype and convincing functional analyses.
Created: 20 Feb 2025, 9:35 p.m. | Last Modified: 20 Feb 2025, 9:35 p.m.
Panel Version: 5.15

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Developmental and epileptic encephalopathy 115, MIM#620783; Neurodevelopmental disorder plus optic atrophy, MIM#620784

Publications

Created: 20 Feb 2025, 9:35 p.m.
Last Modified: 20 Feb 2025, 9:35 p.m.
Panel version: 5.15

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • NHS GMS
Phenotypes
  • Neurodevelopmental disorder plus optic atrophy, OMIM:620784
  • Developmental and epileptic encephalopathy 115, OMIM:620783
OMIM
610904
Clinvar variants
Variants in SNF8
Penetrance
None
Publications
Panels with this gene

History Filter Activity

25 Feb 2025, Gel status: 3

Removed Tag, Removed Tag

Achchuthan Shanmugasundram (Genomics England Curator)

Tag Q1_25_ NHS_review was removed from gene: SNF8. Tag Q1_23_promote_green was removed from gene: SNF8.

25 Feb 2025, Gel status: 3

Added New Source, Status Update

Achchuthan Shanmugasundram (Genomics England Curator)

Source Expert Review Green was added to SNF8. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

21 Feb 2025, Gel status: 2

Added Tag, Added Tag

Achchuthan Shanmugasundram (Genomics England Curator)

Tag Q1_25_ NHS_review tag was added to gene: SNF8. Tag Q1_23_promote_green tag was added to gene: SNF8.

20 Feb 2025, Gel status: 2

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

Achchuthan Shanmugasundram (Genomics England Curator)

gene: SNF8 was added gene: SNF8 was added to Fetal anomalies. Sources: NHS GMS,Expert Review Amber Mode of inheritance for gene: SNF8 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: SNF8 were set to 38423010 Phenotypes for gene: SNF8 were set to Neurodevelopmental disorder plus optic atrophy, OMIM:620784; Developmental and epileptic encephalopathy 115, OMIM:620783