SCA2 ATXN2
SupportedSom. Inst.Anticip.Pat. Exp.Mat. Exp.Len. → OnsetLen. → Pen.Len. → Pheno.Len. → Sev.Mot. → Inst.Mot. → Pheno.Prop. Mod.
Disease ID
SCA2
Gene ID
ATXN2
Updated
Apr 2, 2026
v2.17.1
v2.17.1
Clinical Links
Bioinformatical Links
Disease
Name
Spinocerebellar ataxia type 2
Description
Locus
Details
Mechanism
GoF/LoF
Alleles
Ref. Motif
CTG
Pathogenic (ref.)
CTG
Pathogenic (gene)
AGC
gnomAD
References
Direct supporting references for info on this page.
2
Profiling of Short-Tandem-Repeat Disease Alleles in 12,632 Human Whole Genomes.
Haibao,Tang, Ewen F,Kirkness, Christoph,Lippert, William H,Biggs, Martin,Fabani, Ernesto,Guzman, Smriti,Ramakrishnan, Victor,Lavrenko, Boyko,Kakaradov, Claire,Hou, Barry,Hicks, David,Heckerman, Franz J,Och, C Thomas,Caskey, J Craig,Venter, Amalio,Telenti
American journal of human genetics · 2017-11-02
pmid:291000845
The Frequency of Intermediate Alleles in Patients with Cerebellar Phenotypes.
Elena,Capacci, Silvia,Bagnoli, Giulia,Giacomucci, Costanza Maria,Rapillo, Alessandra,Govoni, Valentina,Bessi, Cristina,Polito, Irene,Giotti, Alice,Brogi, Elisabetta,Pelo, Sandro,Sorbi, Benedetta,Nacmias, Camilla,Ferrari
Cerebellum (London, England) · 2023-10-31
pmid:379064076
Childhood-onset ataxia: testing for large CAG-repeats in SCA2 and SCA7.
Rong,Mao, Arthur S,Aylsworth, Nicholas,Potter, William G,Wilson, Galen,Breningstall, Myra J,Wick, Dusica,Babovic-Vuksanovic, Martha,Nance, Marc C,Patterson, Christopher M,Gomez, Karen,Snow
American journal of medical genetics · 2002-07-15
pmid:121162077
Homozygous 31 trinucleotide repeats in the SCA2 allele are pathogenic for cerebellar ataxia.
Maya,Tojima, Gaku,Murakami, Rie,Hikawa, Hodaka,Yamakado, Hirofumi,Yamashita, Ryosuke,Takahashi, Masaru,Matsui
Neurology. Genetics · 2018-10-16
pmid:305335298
Amyotrophic lateral sclerosis risk for spinocerebellar ataxia type 2 ATXN2 CAG repeat alleles: a meta-analysis.
Annalese G,Neuenschwander, Khanh K,Thai, Karla P,Figueroa, Stefan M,Pulst
JAMA neurology · 2014-12-01
pmid:252858129
Gijs H P,Tazelaar, Steven,Boeynaems, Mathias,De Decker, Joke J F A,van Vugt, Lindy,Kool, H Stephan,Goedee, Russell L,McLaughlin, William,Sproviero, Alfredo,Iacoangeli, Matthieu,Moisse, Maarten,Jacquemyn, Dirk,Daelemans, Annelot M,Dekker, Rick A,van der Spek, Henk-Jan,Westeneng, Kevin P,Kenna, Abdelilah,Assialioui, Nica,Da Silva, Mónica,Povedano, Jesus S Mora,Pardina, Orla,Hardiman, François,Salachas, Stéphanie,Millecamps, Patrick,Vourc'h, Philippe,Corcia, Philippe,Couratier, Karen E,Morrison, Pamela J,Shaw, Christopher E,Shaw, R Jeroen,Pasterkamp, John E,Landers, Ludo,Van Den Bosch, Wim,Robberecht, Ammar,Al-Chalabi, Leonard H,van den Berg, Philip,Van Damme, Jan H,Veldink, Michael A,van Es
Brain communications · 2020-05-19
pmid:3295432111
Identification of the spinocerebellar ataxia type 2 gene using a direct identification of repeat expansion and cloning technique, DIRECT.
K,Sanpei, H,Takano, S,Igarashi, T,Sato, M,Oyake, H,Sasaki, A,Wakisaka, K,Tashiro, Y,Ishida, T,Ikeuchi, R,Koide, M,Saito, A,Sato, T,Tanaka, S,Hanyu, Y,Takiyama, M,Nishizawa, N,Shimizu, Y,Nomura, M,Segawa, K,Iwabuchi, I,Eguchi, H,Tanaka, H,Takahashi, S,Tsuji
Nature genetics · 1996-11-01
pmid:8896556
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)
The Role of D/H Isotope Exchange in Stabilizing Trinucleotide Repeat Expansions in the CAG Tract of the ATXN2 Gene.
A A,Dorohova, I M,Chernukha, L V,Fedulova, J L,Hernandez-Caceres, M I,Drobotenko, S S,Dzhimak
Doklady. Biochemistry and biophysics · 2026-03-30
pmid:41912844Monitoring the Progression of Pre-Ataxic Gait in SCA2 with Inertial Sensors Over Four Years.
Luis,Velázquez-Pérez, Roberto,Rodríguez-Labrada, Yasmany,Gonzalez-Garcés, Frank J,Carrillo-Rodes, Julio C,Rodríguez-Díaz, Yaimeé,Vázquez-Mojena, Ulf,Ziemann, Georg,Auburger, Fay,Horak, Christopher,Gomez
Cerebellum (London, England) · 2026-03-25
pmid:41876820Metformin improves RAN protein pathology, alternative splicing, and behavioral phenotypes in SCA8 mice.
Lisa El,Romano, Setsuki,Tsukagoshi, Emily E,Davey-Osuch, Ramadan,Ajredini, Kamat,Manasi, Tala Vr,Ortiz, Eduardo,Rijos, Nathan J,Bourgon, S Elaine,Ames, Timothy J,Garrett, John D,Cleary, Eric T,Wang, Laura Pw,Ranum
Life science alliance · 2026-03-02
pmid:41771688Bi-allelic intermediate ATXN2 repeat expansions are associated with slow progressing, leg-onset familial ALS.
Koen Cedric,Demaegd, Wouter,Koole, Joke Jfa,van Vugt, Jan Willem,Dankbaar, Jeroen,Hendrikse, A,Nazlı Başak, Mamede,de Carvalho, Philippe,Corcia, Philippe,Codron, Emilien,Bernard, Claire,Guissart, Philippe,Couratier, Mónica,Povedano Panades, Pieter A,van Doorn, Bart P,Warrenburg, Johnathan,Cooper-Knock, R Jeroen,Pasterkamp, Wouter,van Rheenen, Philip,van Damme, Leonard H,van den Berg, Jan Herman,Veldink, Michael A,van Es
BMJ neurology open · 2026-02-18
pmid:41728197Mitochondrial DNA Haplogroups and Age at Onset of Spinocerebellar Ataxia Type 2: A Study in Indian Patients.
Akhilesh Kumar,Sonakar, Chhavi,Sharma, Shahrumi,Reza, Shivam,Pandey, M V Padma,Srivastava, Achal K,Srivastava, Mohammed,Faruq
Annals of Indian Academy of Neurology · 2026-02-16
pmid:41693683Preimplantation Genetic Testing of Spinocerebellar Ataxia Type 2-Robust Tools for Direct and Indirect Detection of the ATXN2 CAG Repeat Expansion.
Nur,Asherah, Mulias,Lian, Arnold S,Tan, Riho,Taguchi, Pengyian,Chua, Shuling,Liu, Caroline G,Lee, Samuel S,Chong
International journal of molecular sciences · 2026-02-04
pmid:41683965Expanding the Genetic Landscape of
Jacob,Saucier, Mohammad,Al-Qadi, Eric Pierre,Allain, Philippe-Pierre,Robichaud, Ludivine,Chamard-Witkowski, Mario,Alvarez, Anne-Marie,Dion-Côté, Luc,Richard, Nicolas,Crapoulet, Mouna,Ben Amor
Neurology. Genetics · 2026-02-02
pmid:41630926Valosin-Containing Protein as a therapeutic target in CAG repeat-driven Spinocerebellar ataxias: Integrative transcriptomic and computational insights.
Surbhi,Singh, Deepika,Joshi, Janki,Makani, Suchitra,Singh, Janhavi,Yadav, Shraddha,Chaurasiya, Chandmayee,Mohanty, Anand,Kumar, Royana,Singh
Computational biology and chemistry · 2025-12-11
pmid:41435767The role of disease-associated short tandem repeats in amyotrophic lateral sclerosis.
Joke J F A,van Vugt, Ramona A J,Zwamborn, Egor,Dolzhenko, Michael A,Eberle, Ben,Weisburd, Erwin,Bekema, Maarten,Kooyman, Bi-Nan,Wang, Erik-Jan,Kamsteeg, Monique,Losekoot, Frank,Baas, Camilla,Novy, Helle,Høyer, Ruben P A,van Eijk, Michael A,van Es, Wouter,van Rheenen, Ammar,Al-Chalabi, Leonard H,van den Berg, Jan H,Veldink
Brain communications · 2025-12-09
pmid:41426430