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  3. GRIN1
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Fetal anomalies

Gene: GRIN1

Green List (high evidence)
GRIN1 (glutamate ionotropic receptor NMDA type subunit 1)
EnsemblGeneIds (GRCh38): ENSG00000176884
EnsemblGeneIds (GRCh37): ENSG00000176884
OMIM: 138249, Gene2Phenotype
GRIN1 is in 6 panels

3 reviews

Arina Puzriakova (Genomics England Curator)

The mode of inheritance of this gene has been updated to 'BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal' following NHS Genomic Medicine Service approval.
Created: 30 Jan 2023, 4:26 p.m. | Last Modified: 30 Jan 2023, 4:26 p.m.
Panel Version: 2.10
Created: 30 Jan 2023, 4:26 p.m.
Last Modified: 30 Jan 2023, 4:26 p.m.
Panel version: 2.10

Sarah Leigh (Genomics England Curator)

Green List (high evidence)

The MOI monoallelic is listed for this panel, as the phenotype was initially listed as epileptic encephalopathy and only one biallelic case has been reported with this phenotype. However, other fetal phenotypes are associated with both monoallelic and biallelic GRIN1 variants in Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant OMIM:614254 and Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive OMIM:617820.
Created: 14 Sep 2021, 5:42 p.m. | Last Modified: 14 Sep 2021, 5:42 p.m.
Panel Version: 1.716
Comment on mode of inheritance: The Q3_21_MOI tag has been added to this gene as the MOI should be changed to - BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal.
Created: 14 Sep 2021, 5:06 p.m. | Last Modified: 14 Sep 2021, 5:41 p.m.
Panel Version: 1.716
Created: 14 Sep 2021, 5:06 p.m.
Last Modified: 14 Sep 2021, 5:41 p.m.
Panel version: 1.716

Rebecca Foulger (Genomics England curator)

Green List (high evidence)

This gene and phenotype were reviewed during meetings at Great Ormond Street hospital in March 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Confirmed that phenotype is fetally-relevant: keep on the Fetal anomalies panel as a Green gene.
Created: 24 Mar 2019, 4:30 p.m.
DDG2P rating in original PAGE list: Confirmed for EPILEPTIC ENCEPHALOPATHY
Created: 11 Dec 2018, 9:05 a.m.
In the original PAGE file, MOP listed as All missense/in frame.
Created: 8 Nov 2018, 4:45 p.m.

Mode of pathogenicity
Other - please provide details in the comments

Created: 8 Nov 2018, 4:45 p.m.

Panel version: 0.134

Details

Mode of Inheritance
BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Sources
  • NHS GMS
  • PAGE DD-Gene2Phenotype
  • Expert Review Green
Phenotypes
  • Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant OMIM:614254
  • intellectual disability, autosomal dominant 8 MONDO:0013655
  • Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive OMIM:617820
  • neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive MONDO:0060629
OMIM
138249
Clinvar variants
Variants in GRIN1
Penetrance
None
Panels with this gene

History Filter Activity

30 Jan 2023, Gel status: 3

Removed Tag

Arina Puzriakova (Genomics England Curator)

Tag Q3_21_MOI was removed from gene: GRIN1.

30 Jan 2023, Gel status: 3

Added New Source, Set mode of inheritance

Arina Puzriakova (Genomics England Curator)

Source NHS GMS was added to GRIN1. Mode of inheritance for gene GRIN1 was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal

14 Sep 2021, Gel status: 3

Set Phenotypes

Sarah Leigh (Genomics England Curator)

Phenotypes for gene: GRIN1 were changed from EPILEPTIC ENCEPHALOPATHY to Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal dominant OMIM:614254; intellectual disability, autosomal dominant 8 MONDO:0013655; Neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive OMIM:617820; neurodevelopmental disorder with or without hyperkinetic movements and seizures, autosomal recessive MONDO:0060629

14 Sep 2021, Gel status: 3

Set mode of inheritance

Sarah Leigh (Genomics England Curator)

Mode of inheritance for gene: GRIN1 was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

14 Sep 2021, Gel status: 3

Added Tag

Sarah Leigh (Genomics England Curator)

Tag Q3_21_MOI tag was added to gene: GRIN1.

8 Nov 2018, Gel status: 4

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

Rebecca Foulger (Genomics England curator)

gene: GRIN1 was added gene: GRIN1 was added to Fetal anomalies. Sources: Expert Review Green,PAGE DD-Gene2Phenotype Mode of inheritance for gene: GRIN1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Phenotypes for gene: GRIN1 were set to EPILEPTIC ENCEPHALOPATHY