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Genetic Epilepsy v0.1421 OGDHL Zornitza Stark Phenotypes for gene: OGDHL were changed from Neurodevelopmental disorder featuring epilepsy, hearing loss, visual impairment, and ataxia to Yoon-Bellen neurodevelopmental syndrome, MIM# 619701; Neurodevelopmental disorder featuring epilepsy, hearing loss, visual impairment, and ataxia
Genetic Epilepsy v0.1420 OGDHL Zornitza Stark edited their review of gene: OGDHL: Changed phenotypes: Yoon-Bellen neurodevelopmental syndrome, MIM# 619701, Neurodevelopmental disorder featuring epilepsy, hearing loss, visual impairment, and ataxia
Genetic Epilepsy v0.1397 OGDHL Zornitza Stark Marked gene: OGDHL as ready
Genetic Epilepsy v0.1397 OGDHL Zornitza Stark Gene: ogdhl has been classified as Green List (High Evidence).
Genetic Epilepsy v0.1397 OGDHL Zornitza Stark Classified gene: OGDHL as Green List (high evidence)
Genetic Epilepsy v0.1397 OGDHL Zornitza Stark Gene: ogdhl has been classified as Green List (High Evidence).
Genetic Epilepsy v0.1396 OGDHL Zornitza Stark gene: OGDHL was added
gene: OGDHL was added to Genetic Epilepsy. Sources: Literature
Mode of inheritance for gene: OGDHL was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: OGDHL were set to 34800363
Phenotypes for gene: OGDHL were set to Neurodevelopmental disorder featuring epilepsy, hearing loss, visual impairment, and ataxia
Review for gene: OGDHL was set to GREEN
Added comment: Nine individuals from eight unrelated families carrying bi-allelic variants in OGDHL with a range of neurological and neurodevelopmental phenotypes including epilepsy, hearing
loss, visual impairment, gait ataxia, microcephaly, and hypoplastic corpus callosum.

Four individuals had seizures.

Homozygous and compound heterozygous variants reported. Variant types reported include missense, PTCs and a synonymous variant that was shown to affect splicing.

Functional studies with a CRISPR-Cas9-mediated tissue knockout with cDNA rescue system showed that the missense variants result in loss-of-function.
Sources: Literature