SCA3 ATXN3

Disease ID
SCA3, MJD
Gene ID
ATXN3
Updated
Jun 4, 2025
v2.4.3

Disease

SCA
Name
Spinocerebellar ataxia type 3/Machado-Joseph disease
Inheritance
Autosomal dominant
Description
Prevalence
2.1 100,000
Age of Onset(Typical)Years3  7310  49
Age of Onset Details
Typical: 10-494 ; 35 - 734,6 .

Locus

Details
Mechanism
GoF
Year
199412
Location in Gene
Exon 10
Gene Strand

Alleles

Ref. Motif
CTG
Pathogenic (ref.)
CTG
Pathogenic (gene)
AGC
BenignIntermediatePathogenicUnits11  4445  5960  87

gnomAD

Pathogenic Genotype (%)Admixed AmericanAfrican/African AmericanAmishAshkenazi JewishEuropean (non Finnish)FinnishMiddle EasternSouth AsianEast AsianOthers01234567ATXN3

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:0007182
2
American journal of human genetics · 2017-11-02
pmid:29100084
3
Spinocerebellar Ataxia
StatPearls · 2025-01-01
genereviews:NBK557816
4
Spinocerebellar Ataxia Type 3
GeneReviews® · 1993-01-01
genereviews:NBK1196
5
Genes · 2025-01-28
pmid:40004498
6
European journal of neurology · 2018-12-07
pmid:30414314
7
Cerebellum (London, England) · 2023-10-31
pmid:37906407
8
Science advances · 2022-03-04
pmid:35245110
9
European journal of neurology · 2025-01-01
pmid:39731318
10
Movement disorders : official journal of the Movement Disorder Society · 2024-12-19
pmid:39699045
11
Japanese journal of radiology · 2022-09-28
pmid:36169768
12
Nature genetics · 1994-11-01
pmid:7874163

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)

Molecular neurobiology · 2025-05-31
pmid:40450087
Scientific reports · 2025-04-09
pmid:40204795
European journal of neurology · 2025-04-01
pmid:40178277
Neurology India · 2025-03-28
pmid:40152810
Stem cell research · 2025-02-17
pmid:39987589
Neurobiology of disease · 2025-02-05
pmid:39921113
Cerebellum (London, England) · 2025-01-16
pmid:39820777
Journal of the neurological sciences · 2024-11-15
pmid:39571249
BMC neurology · 2024-11-09
pmid:39516744