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Intellectual disability syndromic and non-syndromic v1.186 LGI1 Krithika Murali Classified gene: LGI1 as Green List (high evidence)
Intellectual disability syndromic and non-syndromic v1.186 LGI1 Krithika Murali Gene: lgi1 has been classified as Green List (High Evidence).
Intellectual disability syndromic and non-syndromic v1.185 LGI1 Krithika Murali Marked gene: LGI1 as ready
Intellectual disability syndromic and non-syndromic v1.185 LGI1 Krithika Murali Gene: lgi1 has been classified as Red List (Low Evidence).
Intellectual disability syndromic and non-syndromic v1.185 LGI1 Krithika Murali gene: LGI1 was added
gene: LGI1 was added to Intellectual disability syndromic and non-syndromic. Sources: Literature
Mode of inheritance for gene: LGI1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: LGI1 were set to PMID:40455867
Phenotypes for gene: LGI1 were set to Developmental and epileptic encephalopathy MONDO:0100062, LGI1-related
Review for gene: LGI1 was set to GREEN
Added comment: PMID: 40455867 report patients with biallelic variants in 6 individuals from 4 consanguineous families with a more severe DEE phenotype. All indivduals had seizures, global dev delay/ID and generalised hypotonia. Four out of five exhibited spasticity.
Sources: Literature
Intellectual disability syndromic and non-syndromic v1.176 ADAM23 Sarah Milton gene: ADAM23 was added
gene: ADAM23 was added to Intellectual disability syndromic and non-syndromic. Sources: Literature
Mode of inheritance for gene: ADAM23 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: ADAM23 were set to PMID: 40455867
Phenotypes for gene: ADAM23 were set to Neonatal-onset developmental and epileptic encephalopathy, MONDO:0100455, ADAM23-related
Review for gene: ADAM23 was set to AMBER
Added comment: ADAM23 encodes a transmembrane protein receptor which is a receptor for LGI1. LGI1/ADAM22/ADAM23 form a complex that regulates excitatory synaptic transmission and neuronal excitability in the brain.

1 affected individual described in PMID: 40455867 with severe neonatal seizures, joint contractures, absent reflexes. Noted to have a homozygous NMD predicted variant in ADAM23.
Also had a de novo missense variant in PRKD1.

Knockout ADAM23 mice show early lethal epilepsy.
Sources: Literature