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Intellectual disability

Gene: LIAS

Green List (high evidence)

LIAS (lipoic acid synthetase)
EnsemblGeneIds (GRCh38): ENSG00000121897
EnsemblGeneIds (GRCh37): ENSG00000121897
OMIM: 607031, Gene2Phenotype
LIAS is in 11 panels

5 reviews

Sarah Leigh (Genomics England Curator)

The rating of this gene has been updated following NHS Genomic Medicine Service approval.
Created: 9 Mar 2022, 3:40 p.m. | Last Modified: 9 Mar 2022, 3:40 p.m.
Panel Version: 3.1510

Eleanor Williams (Genomics England Curator)

Flagging for review by the GMS disease specialist groups to decide whether it should be green on the ID panel or be kept amber here and green on the Epilepsy panel in view of the early onset of seizures and metabolic disturbance.
Created: 23 Dec 2020, 1:59 p.m. | Last Modified: 23 Dec 2020, 1:59 p.m.
Panel Version: 3.678

Zornitza Stark (Australian Genomics)

Green List (high evidence)

At least three families reported, severe ID is part of the phenotype.
Created: 8 Feb 2020, 10:57 a.m. | Last Modified: 8 Feb 2020, 10:57 a.m.
Panel Version: 3.0

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Hyperglycinemia, lactic acidosis, and seizures, MIM#614462

Publications

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

Helen Brittain (Genomics England Curator)

I don't know

In view of the very early onset of seizures and metabolic disturbance leading to presentation, rather than DD/ID, I am not sure of the clinical utility for a pure ID cohort. This gene is already green on genetic epilepsy syndrome, metabolic and mitochondrial panels. This decision can be reviewed in light of the scope of the ID panel.
Created: 19 Jul 2019, 11:48 a.m. | Last Modified: 19 Jul 2019, 11:48 a.m.
Panel Version: 0.204

Catherine Snow (Genomics England)

Comment on list classification: Gene identified in literature PMID:30914295 as missing in PanelApp compared to other curated gene list for ID genes.
There are 4 reported cases of this disease in 3 papers (PMID: 24334290, 22152680, 26108146). Of the three cases, all patients (2 of Turkish descent and 1 of Somali descent) have different variants in the LIAS gene and they all have seizures (PMID: 24334290, 22152680).Severe development delay reported in all surviving individuals, therefore sufficient cases to add LIAS to the ID panel.
Created: 21 May 2019, 3:35 p.m. | Last Modified: 18 Jul 2019, 4:01 p.m.
Panel Version: 0.202

History Filter Activity

10 Mar 2022, Gel status: 3

Removed Tag

Arina Puzriakova (Genomics England Curator)

Tag for-review was removed from gene: LIAS.

9 Mar 2022, Gel status: 3

Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

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

23 Dec 2020, Gel status: 2

Added Tag

Eleanor Williams (Genomics England Curator)

Tag for-review tag was added to gene: LIAS.

25 Jul 2019, Gel status: 2

Set mode of inheritance

Catherine Snow (Genomics England)

Mode of inheritance for gene LIAS was changed from to BIALLELIC, autosomal or pseudoautosomal

25 Jul 2019, Gel status: 2

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

Catherine Snow (Genomics England)

gene: LIAS was added gene: LIAS was added to Intellectual disability. Sources: Literature,Expert Review Amber Mode of inheritance for gene: LIAS was set to Publications for gene: LIAS were set to 22152680; 26108146; 24334290; 30914295 Phenotypes for gene: LIAS were set to Hyperglycinemia, lactic acidosis, and seizures, 614462