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Early onset or syndromic epilepsy

Gene: LMAN2L

Amber List (moderate evidence)

LMAN2L (lectin, mannose binding 2 like)
EnsemblGeneIds (GRCh38): ENSG00000114988
EnsemblGeneIds (GRCh37): ENSG00000114988
OMIM: 609552, Gene2Phenotype
LMAN2L is in 2 panels

1 review

Arina Puzriakova (Genomics England Curator)

I don't know

PMID: 26566883 (2015) - One consanguineous family with 7 individuals with ID and epilepsy. Five individuals presented mild epileptic seizures in the first year of life, until the age of 5 years when seizures stopped spontaneously without any medication. Typical seizure episodes lasted for 3 to 5 min. Epilepsy was also reported in two other family members, who died at the age of 7 and 16 years and therefore could not be included in the study. A homozygous LMAN2L missense variant (c.158 G>A, p.R53Q) segregated with disease in family, and unaffected family members were heterozygous variant carriers. No functional studies.

PMID: 31020005 (2019) - One non-consanguineous family with 4 affected, harbouring a heterozygous frameshift LMAN2L variant (c.1073delT, p.Phe358Serfs*16) which segregated with disease in the family. All suffered generalised tonic‐clonic seizures in childhood, however all had undergone remission with normalized EEG by adolescence. Functional studies show the variant eliminates LMAN2L's endoplasmic reticulum retention signal and mislocalizes the protein from that compartment to the plasma membrane.
Sources: Literature
Created: 31 Jul 2020, 12:24 p.m.

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Intellectual disability; Epilepsy



Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
  • Expert Review Amber
  • Literature
  • Intellectual disability
  • Epilepsy
Clinvar variants
Variants in LMAN2L
Panels with this gene

History Filter Activity

31 Jul 2020, Gel status: 2

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Gene: lman2l has been classified as Amber List (Moderate Evidence).

31 Jul 2020, Gel status: 1

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

Arina Puzriakova (Genomics England Curator)

gene: LMAN2L was added gene: LMAN2L was added to Genetic epilepsy syndromes. Sources: Literature Mode of inheritance for gene: LMAN2L was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: LMAN2L were set to 31020005; 26566883 Phenotypes for gene: LMAN2L were set to Intellectual disability; Epilepsy Review for gene: LMAN2L was set to AMBER