FAME1 SAMD12

Disease ID
FAME1
Gene ID
SAMD12
Updated
Oct 7, 2025
v2.11.0
Suggest Edit

Disease

Name
Familial adult myoclonic epilepsy type 1
Inheritance
Autosomal dominant
Description
Cortical tremor, seizures with generalised motor (tonic-clonic) onset1 ; Adult-onset cortical myoclonus, with seizures in up to a half of patients2 .
Prevalence
Age of Onset(Typical)Years8  6821  39
Age of Onset Details
Typical: 21-393 ; Range: 84 - 685 .

Locus

Details
Mechanism
GoF?
RNA mediated gain of function proposed7,8 .
Year
20185
Location in Gene
Intron 4/4
Gene Strand

Alleles

Ref. Motif
TAAAA
Pathogenic (ref.)
TGAAA
Pathogenic (gene)
ATTTC
Unknown (ref.)
AAAAA, TAAAC, TAACA, TACAA, TACAC
Unknown (gene)
TTTTT, AGTTT, ATGTT, ATTGT, AGTGT
PathogenicUnits105  3,680

gnomAD

Pathogenic Genotype (%)Admixed AmericanAfrican/African AmericanAmishAshkenazi JewishEuropean (non Finnish)FinnishMiddle EasternSouth AsianEast AsianOthers01234567SAMD12

Pathogenic Genotype (%): % of individuals predicted to be affected based on their genotype

References

Direct supporting references for info on this page.

1
The Lancet. Neurology · 2024-07-01
pmid:38876750
2
Repeat expansion disorders.
Practical neurology · 2025-05-15
pmid:39349043
3
Brain : a journal of neurology · 2018-08-01
pmid:29939203
4
Brain communications · 2025-06-04
pmid:40503331
5
Nature genetics · 2018-03-05
pmid:29507423
6
Movement disorders : official journal of the Movement Disorder Society · 2024-11-21
pmid:39569876
8
Nature reviews. Genetics · 2024-03-11
pmid:38467784

Additional Literature

Additional literature related to this locus.

Raw PubMed search results
(All PubMed results returned by searching for this gene, tandem repeats, and disease, in medline format)

Brain communications · 2024-06-29
pmid:38961870
European journal of human genetics : EJHG · 2024-03-12
pmid:38467733
Annals of clinical and translational neurology · 2023-12-07
pmid:38059543
Journal of human genetics · 2023-08-18
pmid:37592133
Epilepsia open · 2023-02-16
pmid:36740228
Epilepsia · 2023-01-22
pmid:36622139
HGG advances · 2022-08-15
pmid:36092952
Brain : a journal of neurology · 2021-05-07
pmid:33791773
Seizure · 2021-02-23
pmid:33721773
Contact Us
Want to suggest a new locus or an edit to an existing one? Use the new locus form or go to an existing locus and use the suggest edit form.
Details
Page
/loci/fame1_samd12/
Browser
Chrome Headless 140.0.0.0
Engine
Blink 140.0.0.0
OS
Linux
Device
CPU
amd64
This will make a public post on our GitHub with all the info above. You'll get a link to it once it's created.