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  3. ALG13
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Likely inborn error of metabolism

Gene: ALG13

Amber List (moderate evidence)
ALG13 (ALG13, UDP-N-acetylglucosaminyltransferase subunit)
EnsemblGeneIds (GRCh38): ENSG00000101901
EnsemblGeneIds (GRCh37): ENSG00000101901
OMIM: 300776, Gene2Phenotype
ALG13 is in 8 panels

1 review

Sarah Leigh (Genomics England Curator)

Comment on list classification: This gene was part of an initial gene list collated by Emma Ashton on behalf of the London North GLH, for GMS Metabolic Consensus Specialist Test Group. Additional information was not provided, such as mode of inheritance and phenotype.
Associated with relevant phenotype in OMIM and as probable Gen2Phen gene. At least 2 variants reported, one of which (c.320A>G, p.N107S) is associated with Epileptic encephalopathy, early infantile, 36 300884 as a de novo variant in at least 6 unrelated cases, athough the conection with Congenital disorder of glycosylation, type Is 300884 is not clear from these cases. The second variant was reported in an infant who died at age 1 year. Transferrin isoelectric focusing showed abnormal N-glycosylation and was consistent with a diagnostic classification of congenital disorder of glycosylation type Is (CDG1S). Studies of patient-derived cells showed decreased enzyme activity, at about 17% of wildtype (PMID 22492991).
Created: 12 Aug 2019, 12:54 p.m. | Last Modified: 12 Aug 2019, 1:13 p.m.
Panel Version: 1.85
Created: 12 Aug 2019, 12:54 p.m.
Last Modified: 12 Aug 2019, 1:13 p.m.
Panel version: 1.81

Details

Mode of Inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Sources
  • Expert Review Amber
  • London North GLH
  • NHS GMS
Phenotypes
  • ?Congenital disorder of glycosylation, type Is 300884
  • Epileptic encephalopathy, early infantile, 36 300884
OMIM
300776
Clinvar variants
Variants in ALG13
Penetrance
None
Publications
Panels with this gene

History Filter Activity

12 Aug 2019, Gel status: 2

Entity classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

Gene: alg13 has been classified as Amber List (Moderate Evidence).

12 Aug 2019, Gel status: 2

Set Phenotypes

Sarah Leigh (Genomics England Curator)

Phenotypes for gene: ALG13 were changed from Intellectual disability; Epileptic encephalopathy; ALG13-CDG (Disorders of protein N-glycosylation); Epileptic encephalopathy, early infantile, 36 300884 to ?Congenital disorder of glycosylation, type Is 300884; Epileptic encephalopathy, early infantile, 36 300884

13 Feb 2019, Gel status: 2

Added New Source, Added New Source

Ivone Leong (Genomics England Curator)

Source NHS GMS was added to ALG13. Source London North GLH was added to ALG13.

8 Jan 2019, Gel status: 2

Panel promoted to version 1.0

Ellen McDonagh (Genomics England Curator)

Sarah Leigh: Associated with relevant pheno

16 Dec 2018, Gel status: 2

Set Phenotypes, Set publications

Ellen McDonagh (Genomics England Curator)

Added phenotypes Epileptic encephalopathy, early infantile, 36 300884; ALG13-CDG (Disorders of protein N-glycosylation) for gene: ALG13 Publications for gene ALG13 were changed from 27604308 to 27604308; 25732998; 22492991

16 Dec 2018, Gel status: 2

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

Ellen McDonagh (Genomics England Curator)

gene: ALG13 was added gene: ALG13 was added to Inborn errors of metabolism. Sources: Expert Review Amber Mode of inheritance for gene: ALG13 was set to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) Publications for gene: ALG13 were set to 27604308 Phenotypes for gene: ALG13 were set to Intellectual disability; Epileptic encephalopathy; ALG13-CDG (Disorders of protein N-glycosylation)