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Genetic Epilepsy v0.1973 SAMD12 Zornitza Stark Tag STR tag was added to gene: SAMD12.
Genetic Epilepsy v0.1171 SAMD12 Bryony Thompson Classified gene: SAMD12 as No list
Genetic Epilepsy v0.1171 SAMD12 Bryony Thompson Added comment: Comment on list classification: Added as an STR to this panel.
Genetic Epilepsy v0.1171 SAMD12 Bryony Thompson Gene: samd12 has been removed from the panel.
Genetic Epilepsy v0.659 SAMD12 Zornitza Stark Marked gene: SAMD12 as ready
Genetic Epilepsy v0.659 SAMD12 Zornitza Stark Gene: samd12 has been classified as Green List (High Evidence).
Genetic Epilepsy v0.659 SAMD12 Zornitza Stark Tag deep intronic tag was added to gene: SAMD12.
Genetic Epilepsy v0.659 SAMD12 Zornitza Stark Classified gene: SAMD12 as Green List (high evidence)
Genetic Epilepsy v0.659 SAMD12 Zornitza Stark Gene: samd12 has been classified as Green List (High Evidence).
Genetic Epilepsy v0.658 SAMD12 Zornitza Stark gene: SAMD12 was added
gene: SAMD12 was added to Genetic Epilepsy. Sources: Literature
Mode of inheritance for gene: SAMD12 was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Publications for gene: SAMD12 were set to 30194086; 29507423
Phenotypes for gene: SAMD12 were set to Epilepsy, familial adult myoclonic, 1, MIM# 601068
Mode of pathogenicity for gene: SAMD12 was set to Other
Review for gene: SAMD12 was set to GREEN
Added comment: Repeat expansions of intronic TTTCA and TTTTA motifs within SAMD12 have been identified in over 50 Japanese and Chinese families. Most families with affected individuals were heterozygous however 4 patients from 3 families had homozygous repeat expansions, which was associated with a more severe phenotype. Western blot analysis showed decreased levels of the protein in patient brains. Note these were identified on long-read sequencing and may not be detectable by all assays.
Sources: Literature