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  3. LGI3
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Fetal anomalies

Gene: LGI3

Green List (high evidence)
LGI3 (leucine rich repeat LGI family member 3)
EnsemblGeneIds (GRCh38): ENSG00000168481
EnsemblGeneIds (GRCh37): ENSG00000168481
OMIM: 608302, Gene2Phenotype
LGI3 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 BIALLELIC, autosomal or pseudoautosomal 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

Soo-Mi Park (Cambridge University Hospital 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
Biallelic mainly LoF variants in 8 unrelated families associated with global developmental delay, intellectual disability, distal deformities with diminished reflexes, visible facial myokymia, distinctive electromyographic features,and diaphragmatic hernias
Created: 5 Sep 2025, 2:55 p.m. | Last Modified: 5 Sep 2025, 2:55 p.m.
Panel Version: 6.24

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Intellectual developmental disorder with muscle tone abnormalities and distal skeletal defects, OMIM:620007

Publications

Variants in this GENE are reported as part of current diagnostic practice

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
BIALLELIC, autosomal or pseudoautosomal
Sources
  • NHS GMS
  • Expert Review Green
Phenotypes
  • Intellectual developmental disorder with muscle tone abnormalities and distal skeletal defects, OMIM:620007
OMIM
608302
Clinvar variants
Variants in LGI3
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: LGI3. Tag Q3_25_NHS_review was removed from gene: LGI3.

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 LGI3. Source NHS GMS was added to LGI3. 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: LGI3. Tag Q3_25_NHS_review tag was added to gene: LGI3.

5 Sep 2025, Gel status: 2

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

Arina Puzriakova (Genomics England Curator)

gene: LGI3 was added gene: LGI3 was added to Fetal anomalies. Sources: Expert Review Amber Mode of inheritance for gene: LGI3 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: LGI3 were set to 35948005 Phenotypes for gene: LGI3 were set to Intellectual developmental disorder with muscle tone abnormalities and distal skeletal defects, OMIM:620007