SCA1 ATXN1

Disease ID
SCA1
Gene ID
ATXN1
Updated
Oct 7, 2025
v2.11.0
Suggest Edit

Disease

SCA
Name
Spinocerebellar ataxia type 1
Inheritance
Autosomal dominant
Description
Prevalence
1.5 100,000
Age of Onset(Typical)Years6  6320  39
Age of Onset Details
Typical: 20-393 ; Range: 64 - 635 .

Locus

Details
Mechanism
GoF/LoF
Year
19939
Location in Gene
Coding Exon 8
Gene Strand

Alleles

Ref. Motif
CTG
Pathogenic (ref.)
CTG
Pathogenic (gene)
AGC
BenignIntermediatePathogenicUnits6  3536  3839  91

gnomAD

Pathogenic Genotype (%)Admixed AmericanAfrican/African AmericanAmishAshkenazi JewishEuropean (non Finnish)FinnishMiddle EasternSouth AsianEast AsianOthers01234567ATXN1

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

References

Direct supporting references for info on this page.

1
Ontology Lookup Service (OLS)
mondo:0008119
2
Spinocerebellar Ataxia Type 1
Puneet,Opal, Tetsuo,Ashizawa
GeneReviews® · 1993-01-01
genereviews:NBK1184
4
Annals of neurology · 1988-06-01
pmid:3165612
5
Acta neurologica Scandinavica · 1996-01-01
pmid:8825276
6
Cerebellum (London, England) · 2023-10-31
pmid:37906407
7
Science advances · 2022-03-04
pmid:35245110
8
Molecular therapy. Methods & clinical development · 2022-04-12
pmid:35573049
9
Nature genetics · 1993-07-01
pmid:8358429

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 · 2025-05-17
pmid:40488180
Molecular neurobiology · 2025-05-31
pmid:40450087
Cerebellum (London, England) · 2025-01-16
pmid:39820777
International journal of molecular sciences · 2024-10-18
pmid:39456985
BMC neurology · 2024-09-17
pmid:39289638
bioRxiv : the preprint server for biology · 2024-08-17
pmid:39211226
Brain communications · 2024-06-29
pmid:38961870
American journal of human genetics · 2024-04-15
pmid:38626762
Repeat expansions in
Brain communications · 2024-03-14
pmid:38585669
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/sca1_atxn1/
Browser
Chrome Headless 137.0.0.0
Engine
Blink 137.0.0.0
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.