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Fetal anomalies

Gene: GNAI2

Green List (high evidence)
GNAI2 (G protein subunit alpha i2)
EnsemblGeneIds (GRCh38): ENSG00000114353
EnsemblGeneIds (GRCh37): ENSG00000114353
OMIM: 139360, Gene2Phenotype
GNAI2 is in 3 panels

3 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 MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown following NHS Genomic Medicine Service approval.
Created: 12 Dec 2025, 3:10 p.m. | Last Modified: 12 Dec 2025, 3:10 p.m.
Panel Version: 6.120
Created: 12 Dec 2025, 3:10 p.m.
Last Modified: 12 Dec 2025, 3:10 p.m.
Panel version: 6.120

Arina Puzriakova (Genomics England Curator)

Green List (high evidence)

New gene added to this panel. There is sufficient evidence to make this gene Green at the next GMS panel update, inline with the recent review by the R21 Clinical Oversight Group.
Created: 5 Sep 2025, 4:41 p.m. | Last Modified: 5 Sep 2025, 4:41 p.m.
Panel Version: 6.29
Created: 5 Sep 2025, 4:41 p.m.
Last Modified: 5 Sep 2025, 4:41 p.m.
Panel version: 6.29

Sarah Graham (West Midlands Regional Genetics Laboratory, Birmingham Women's and Children’s NHS Foundation Trust)

Green List (high evidence)

This gene and phenotype were reviewed during meetings in June & July 2025. The meetings included representatives of the North Thames and Central & South R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Natalie Chandler & Elizabeth Scotchman (North Thames GLH), Natalie Bibb, Stephanie Allen & Sarah Graham (Central & South GLH) and Alice Gardham, Esther Kinning, Vicki Harrison, Anna DeBurca, Natalie Canham, Elizabeth Wall, Sunayna Best, Soo-Mi Park & Sahar Mansour (R21 Clinical Oversight Group).
Created: 5 Sep 2025, 4:31 p.m. | Last Modified: 5 Sep 2025, 4:31 p.m.
Panel Version: 6.28
20 patients from 18 families with rare missense variants clustered in specific protein regions (confirmed de novo in 12) and phenotypes inluding intrauterine growth retardation, dysmorphism, bone dysostosis, neuroanatomical abnormalities (dysgenesis of the corpus callosum, pituitary hypoplasia with growth hormone deficiency, Chiari I malformation) and variable birth defects including cardiac defects, talipes. Postnatally: short stature, neurodevelopmental delay, immunodeficiency.
Created: 5 Sep 2025, 2:55 p.m. | Last Modified: 5 Sep 2025, 2:55 p.m.
Panel Version: 6.24

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

Phenotypes
Syndromic developmental disorder

Publications

Created: 5 Sep 2025, 2:55 p.m.
Last Modified: 5 Sep 2025, 2:55 p.m.
Panel version: 6.28

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • NHS GMS
  • Expert Review Green
Phenotypes
  • Syndromic developmental disorder
OMIM
139360
Clinvar variants
Variants in GNAI2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

16 Dec 2025, Gel status: 3

Removed Tag, Removed Tag

Achchuthan Shanmugasundram (Genomics England Curator)

Tag Q3_25_promote_green was removed from gene: GNAI2. Tag Q3_25_NHS_review was removed from gene: GNAI2.

12 Dec 2025, Gel status: 3

Added New Source, Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

Source Expert Review Green was added to GNAI2. Source NHS GMS was added to GNAI2. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

8 Sep 2025, Gel status: 2

Added Tag, Added Tag

Arina Puzriakova (Genomics England Curator)

Tag Q3_25_promote_green tag was added to gene: GNAI2. Tag Q3_25_NHS_review tag was added to gene: GNAI2.

5 Sep 2025, Gel status: 2

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

Arina Puzriakova (Genomics England Curator)

gene: GNAI2 was added gene: GNAI2 was added to Fetal anomalies. Sources: Expert Review Amber Mode of inheritance for gene: GNAI2 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: GNAI2 were set to 39298586 Phenotypes for gene: GNAI2 were set to Syndromic developmental disorder