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Early onset or syndromic epilepsy v2.82 AGMO Rebecca Foulger changed review comment from: PMID:27000257. Alrayes et al., 2016 report a homozygous frameshift variant in AGMO- p.(Glu324LysfsTer12) in 2 brothers from a consanguineous Saudi family with syndromic microcephaly, and global developmental delay. Epilepsy is not mentioned amongst their phenotypes.; to: PMID:27000257 (2016) Alrayes et al., 2016 enrolled a consanguineous family from Saudi Arabia presenting with primary microcephaly, developmental delay, short stature and intellectual disability. They identified a novel homozygous deletion mutation (c.967delA; p.Glu324Lysfs12*) in exon 10 of the alkylglycerol monooxygenase (AGMO) gene in 2 brothers. Population screening of 178 ethnically matched control chromosomes and consultation of the ExAC database confirmed that this variant was not present outside the family. Epilepsy is not mentioned amongst their phenotypes.
Early onset or syndromic epilepsy v2.82 AGMO Rebecca Foulger Classified gene: AGMO as Red List (low evidence)
Early onset or syndromic epilepsy v2.82 AGMO Rebecca Foulger Added comment: Comment on list classification: Gene was added to the panel and rated Amber by Zornitza Stark. Only 1 of the 3 individuals from PMIDs:31555905 and 27000257 is reported with epilepsy. Therefore rated Red awaiting further evidence.
Early onset or syndromic epilepsy v2.82 AGMO Rebecca Foulger Gene: agmo has been classified as Red List (Low Evidence).
Early onset or syndromic epilepsy v2.81 AGMO Rebecca Foulger changed review comment from: PMID:31555905. Okur et al., report rare nonsense in-frame deletion and missense compound heterozygous variants in AGMO in 2 unrelated individuals- an 8 year old European girl, and 4-year old Ashkenazi Jewish boy. The girl had variants p.Trp130Ter & p.Gly238Cys. The boy had variants p.Gly144Arg and p.Tyr236del. Note that there is one individual in gnomAD who is homozygous for the p.Gly144Arg variant. Table 1 also mentions 'MTHFR C677T homozygous' for the boy, but this is not referred to within the text. The authors demonstrated significantly diminished enzyme activity for all disease-associated variants. Seizures were reported for the girl with generalized tonic-clonic seizures beginning age 2 months (and controlled with medication). Seizures were not reported for the boy, though he has a nephew with epilepsy.; to: PMID:31555905. Okur et al., report rare nonsense in-frame deletion and missense compound heterozygous variants in AGMO in 2 unrelated individuals- an 8 year old European girl, and 4-year old Ashkenazi Jewish boy. The girl harboured variants p.Trp130Ter & p.Gly238Cys. The boy harboured variants p.Gly144Arg and p.Tyr236del. Note that there is one individual in gnomAD who is homozygous for the p.Gly144Arg variant. Table 1 also mentions 'MTHFR C677T homozygous' for the boy, but this is not referred to within the text. The authors demonstrated significantly diminished enzyme activity for all disease-associated variants. Seizures were reported for the girl with generalized tonic-clonic seizures beginning age 2 months (and controlled with medication). Seizures were not reported for the boy, though he has a nephew with epilepsy.
Early onset or syndromic epilepsy v2.81 AGMO Rebecca Foulger changed review comment from: PMID:31555905. Okur et al., report rare nonsense in-frame deletion and missense compound heterozygous variants in AGMO in 2 unrelated individuals- an 8 year old European girl, and 4-year old Ashkenazi Jewish boy. They demonstrated significantly diminished enzyme activity for all disease-associated variants. Seizures were reported for the girl with generalized tonic-clonic seizures beginning age 2 months (and controlled with medication). Seizures were not reported for the boy, though he has a nephew with epilepsy.; to: PMID:31555905. Okur et al., report rare nonsense in-frame deletion and missense compound heterozygous variants in AGMO in 2 unrelated individuals- an 8 year old European girl, and 4-year old Ashkenazi Jewish boy. The girl had variants p.Trp130Ter & p.Gly238Cys. The boy had variants p.Gly144Arg and p.Tyr236del. Note that there is one individual in gnomAD who is homozygous for the p.Gly144Arg variant. Table 1 also mentions 'MTHFR C677T homozygous' for the boy, but this is not referred to within the text. The authors demonstrated significantly diminished enzyme activity for all disease-associated variants. Seizures were reported for the girl with generalized tonic-clonic seizures beginning age 2 months (and controlled with medication). Seizures were not reported for the boy, though he has a nephew with epilepsy.
Early onset or syndromic epilepsy v2.81 AGMO Rebecca Foulger commented on gene: AGMO: PMID:27000257. Alrayes et al., 2016 report a homozygous frameshift variant in AGMO- p.(Glu324LysfsTer12) in 2 brothers from a consanguineous Saudi family with syndromic microcephaly, and global developmental delay. Epilepsy is not mentioned amongst their phenotypes.
Early onset or syndromic epilepsy v2.81 AGMO Rebecca Foulger Phenotypes for gene: AGMO were changed from microcephaly; intellectual disability; epilepsy to microcephaly; intellectual disability; epilepsy; generalized tonic-clonic seizures
Early onset or syndromic epilepsy v2.80 AGMO Rebecca Foulger commented on gene: AGMO
Early onset or syndromic epilepsy v2.0 AGMO Zornitza Stark gene: AGMO was added
gene: AGMO was added to Genetic epilepsy syndromes. Sources: Expert list
Mode of inheritance for gene: AGMO was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: AGMO were set to 31555905; 27000257
Phenotypes for gene: AGMO were set to microcephaly; intellectual disability; epilepsy
Review for gene: AGMO was set to AMBER
Added comment: Three unrelated families reported, though epilepsy not an invariable feature.
Sources: Expert list