CANVAS RFC1
Disease ID
CANVAS
Gene ID
RFC1
Updated
Jun 4, 2025
v2.4.3
v2.4.3
Disease
Name
Cerebellar ataxia, neuropathy, and vestibular areflexia syndrome
Inheritance
Autosomal recessive Description
Prevalence
Age of Onset Details
Locus
Details
Alleles
Ref. Motif
AAAAG
Benign (ref.)
AAAAG, AAAGG, AAGAG, AAAGGG
Benign (gene)
CTTTT, CCTTT, CTCTT, CCCTTT
Pathogenic (ref.)
AAGGG, ACAGG, AGGGC, AAGGC, AGAGG
Pathogenic (gene)
CCCTT, CCTGT, CCCTG, CCTTG, CCTCT
Unknown (ref.)
AAAAA, AAAAC, AACGG, AAGAC, AAGGT, AGAAC, AGGGG, GAAAC, GGGAC, GTGAG, AAAAGA, AAAGGA, GGAAAG
Unknown (gene)
TTTTT, GTTTT, CCGTT, CTTGT, ACCTT, CTGTT, CCCCT, CGTTT, CCCGT, ACCTC, CTTTTT, CCTTTT, CCCTTT
gnomAD
Pathogenic Genotype (%): % of individuals predicted to be affected based on their genotype
References
Direct supporting references for info on this page.
1
Neurological disorders caused by novel non-coding repeat expansions: clinical features and differential diagnosis.
Elisa,Vegezzi, Hiroyuki,Ishiura, D Cristopher,Bragg, David,Pellerin, Francesca,Magrinelli, Riccardo,Currò, Stefano,Facchini, Arianna,Tucci, John,Hardy, Nutan,Sharma, Matt C,Danzi, Stephan,Zuchner, Bernard,Brais, Mary M,Reilly, Shoji,Tsuji, Henry,Houlden, Andrea,Cortese
The Lancet. Neurology · 2024-07-01
pmid:388767502
Repeat expansion disorders.
Zhongbo,Chen, Huw R,Morris, James,Polke, Nicholas W,Wood, Sonia,Gandhi, Mina,Ryten, Henry,Houlden, Arianna,Tucci
Practical neurology · 2025-05-15
pmid:393490433
RFC1 CANVAS / Spectrum Disorder
Andrea,Cortese, Mary M.,Reilly, Henry,Houlden
GeneReviews® · 1993-01-01
genereviews:NBK5646564
Pseudodominance in RFC1-Spectrum Disorder.
Grazia Maria Igea,Falcone, Alessandra,Tessa, Ignazio Giuseppe,Arena, Melissa,Barghigiani, Alba,Migliorato, Alex,Incensi, Carmelo,Rodolico, Vincenzo,Donadio, Filippo Maria,Santorelli, Olimpia,Musumeci
Cerebellum (London, England) · 2024-09-04
pmid:392308465
A Māori specific RFC1 pathogenic repeat configuration in CANVAS, likely due to a founder allele.
Sarah J,Beecroft, Andrea,Cortese, Roisin,Sullivan, Wai Yan,Yau, Zoe,Dyer, Teddy Y,Wu, Eoin,Mulroy, Luciana,Pelosi, Miriam,Rodrigues, Rachael,Taylor, Stuart,Mossman, Ruth,Leadbetter, James,Cleland, Tim,Anderson, Gianina,Ravenscroft, Nigel G,Laing, Henry,Houlden, Mary M,Reilly, Richard H,Roxburgh
Brain : a journal of neurology · 2020-09-01
pmid:328513966
RFC1: Motifs and phenotypes.
V,Delforge, C,Tard, J-B,Davion, K,Dujardin, A,Wissocq, C-M,Dhaenens, E,Mutez, V,Huin
Revue neurologique · 2024-04-15
pmid:386271347
Normal and pathogenic variation of RFC1 repeat expansions: implications for clinical diagnosis.
Natalia,Dominik, Stefania,Magri, Riccardo,Currò, Elena,Abati, Stefano,Facchini, Marinella,Corbetta, Hannah,Macpherson, Daniela,Di Bella, Elisa,Sarto, Igor,Stevanovski, Sanjog R,Chintalaphani, Fulya,Akcimen, Arianna,Manini, Elisa,Vegezzi, Ilaria,Quartesan, Kylie-Ann,Montgomery, Valentina,Pirota, Emmanuele,Crespan, Cecilia,Perini, Glenda Paola,Grupelli, Pedro J,Tomaselli, Wilson,Marques, Joseph,Shaw, James,Polke, Ettore,Salsano, Silvia,Fenu, Davide,Pareyson, Chiara,Pisciotta, George K,Tofaris, Andrea H,Nemeth, John,Ealing, Aleksandar,Radunovic, Seamus,Kearney, Kishore R,Kumar, Steve,Vucic, Marina,Kennerson, Mary M,Reilly, Henry,Houlden, Ira,Deveson, Arianna,Tucci, Franco,Taroni, Andrea,Cortese
Brain : a journal of neurology · 2023-12-01
pmid:374505678
RFC1 CANVAS: genotype phenotype correlations
Curro,Riccardo, Natalia,Dominik, Stojkovic,Tanya, Miller,James, Gosal,David, Hadivassiliou,Marios, Giunti,Paola, Henry,Houlden, Reilly,Mary M, Cortese,Andrea
RFC1 CANVAS: genotype phenotype correlations · 2024-11-01
doi:10.1136/jnnp-2024-ABN.2599
Long-read sequencing revealed complex biallelic pentanucleotide repeat expansions in RFC1-related Parkinson's disease.
Peng,Liu, Fan,Zhang, Xinhui,Chen, Xiaosheng,Zheng, Miao,Chen, Zhiru,Lin, Shuqi,Chen, Lebo,Wang, Xinchen,Wang, Nan,Jin, Chenxin,Ying, Fei,Xie, Bo,Wang, Sheng,Wu, Zhidong,Cen, Wei,Luo
NPJ Parkinson's disease · 2025-01-20
pmid:3983320410
Repeat expansions in
Barnaby,Hirons, Peter S P,Cho, Katie,Rhatigan, Joe,Shaw, Riccardo,Curro, Bianca,Rugginini, Natalia,Dominik, Richard D,Turner, Ewan,Mackay, James H,Hull, Hisham,Abubakar-Waziri, Harini,Kesavan, Caroline J,Jolley, Robert D,Hadden, Andrea,Cortese, Surinder S,Birring
ERJ open research · 2025-01-13
pmid:3981155711
Sequence composition changes in short tandem repeats: heterogeneity, detection, mechanisms and clinical implications.
Indhu-Shree,Rajan-Babu, Egor,Dolzhenko, Michael A,Eberle, Jan M,Friedman
Nature reviews. Genetics · 2024-03-11
pmid:3846778412
Bioinformatics-Based Identification of Expanded Repeats: A Non-reference Intronic Pentamer Expansion in RFC1 Causes CANVAS.
Haloom,Rafehi, David J,Szmulewicz, Mark F,Bennett, Nara L M,Sobreira, Kate,Pope, Katherine R,Smith, Greta,Gillies, Peter,Diakumis, Egor,Dolzhenko, Michael A,Eberle, María García,Barcina, David P,Breen, Andrew M,Chancellor, Phillip D,Cremer, Martin B,Delatycki, Brent L,Fogel, Anna,Hackett, G Michael,Halmagyi, Solange,Kapetanovic, Anthony,Lang, Stuart,Mossman, Weiyi,Mu, Peter,Patrikios, Susan L,Perlman, Ian,Rosemergy, Elsdon,Storey, Shaun R D,Watson, Michael A,Wilson, David S,Zee, David,Valle, David J,Amor, Melanie,Bahlo, Paul J,Lockhart
American journal of human genetics · 2019-06-20
pmid:31230722Additional 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)
A genome-wide approach for the discovery of novel repeat expansion disorders in the Undiagnosed Diseases Network cohort.
Sarah,Fazal, Harriet,Dashnow, Maike F,Dohrn, Jacquelyn,Raposo, Laurel,Hiatt, Matt C,Danzi, Isaac R L,Xu, Camilo,Toro, David R,Adams, Karen,Usdin, Bruce,Hayward, Shilpa Nadimpalli,Kobren, Shamil R,Sunyaev, Rebecca C,Spillmann, Vandana,Shashi, Adriana,Rebelo, Guney,Bademci, Mustafa,Tekin, Aaron R,Quinlan, Stephan,Züchner
Genetics in medicine : official journal of the American College of Medical Genetics · 2025-05-22
pmid:40417743Heterozygous and Homozygous
Zitian,Tang, Sinem S,Ovunc, Elle,Mehinovic, Simone,Thomas, Jenna,Ulibarri, Zefan,Li, Dustin,Baldridge, Carlos,Cruchaga, Matt,Johnson, Jeffrey,Milbrandt, Brian,Callaghan, Ahmet,Höke, Peter K,Todd, Sheng Chih,Jin
medRxiv : the preprint server for health sciences · 2025-04-23
pmid:40313272The genetic landscape of sporadic adult-onset degenerative ataxia: a multi-modal genetic study of 377 consecutive patients from the longitudinal multi-centre SPORTAX cohort.
Danique,Beijer, David,Mengel, Demet,Önder, Carlo,Wilke, Andreas,Traschütz, Jennifer,Faber, Dagmar,Timmann, Sylvia,Boesch, Stefan,Vielhaber, Thomas,Klopstock, Bart P,van de Warrenburg, Gabriella,Silvestri, Christoph,Kamm, Iselin Marie,Wedding, Zofia,Fleszar, Florian,Harmuth, Claudia,Dufke, Bernard,Brais, Olaf,Rieß, Ludger,Schöls, Tobias,Haack, Stephan,Züchner, David,Pellerin, Thomas,Klockgether, Matthis,Synofzik
EBioMedicine · 2025-04-23
pmid:40273470CANVAS as example of genetic and clinical complexity of RFC1-related disorders.
Filip,Tomczuk, Anna,Sulek, Piotr,Janik
Neurologia i neurochirurgia polska · 2025-04-17
pmid:40241639Response to the letter to the editor submitted by Dr. Berciano regarding the article entitled: "Spectrum disorder of RFC1 expansions/CANVAS: Clinical and electrophysiological characterization of a group of 31 patients." https://doi.org/10.1016/j.clinph.2024.12.007.
Elena,Lainez, Daniel,Sanchez-Tejerina, Nuria,Raguer
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2025-04-05
pmid:40221271Genetic and Clinical Features of 10 Families With Hereditary Sensory Neuropathies.
Ke,Xu, Zhongzheng,Li, Mengli,Wang, Lei,Liu, Sen,Zeng, Xiaobo,Li, Wanqian,Cao, Shunxiang,Huang, Huadong,Zhao, Yan,Yang, Yongzhi,Xie, Zhengmao,Hu, Beisha,Tang, Ruxu,Zhang
Journal of the peripheral nervous system : JPNS · 2025-06-01
pmid:40211677Comment on "Spectrum disorder of RFC1 expansions/CANVAS: Clinical and electrophysiological characterization of a group of 31 patients".
José,Berciano, Antonio,García, Jon,Infante
Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2025-04-05
pmid:40204545ONT in Clinical Diagnostics of Repeat Expansion Disorders: Detection and Reporting Challenges.
Ludmila,Kaplun, Greice,Krautz-Peterson, Nir,Neerman, Yocheved,Schindler, Elinor,Dehan, Claudia S,Huettner, Brett K,Baumgartner, Christine,Stanley, Alexander,Kaplun
International journal of molecular sciences · 2025-03-18
pmid:40141365Optical genome mapping enables accurate testing of large repeat expansions.
Bart,van der Sanden, Kornelia,Neveling, Syukri,Shukor, Michael D,Gallagher, Joyce,Lee, Stephanie L,Burke, Maartje,Pennings, Ronald,van Beek, Michiel,Oorsprong, Ellen,Kater-Baats, Eveline,Kamping, Alide A,Tieleman, Nicol C,Voermans, Ingrid E,Scheffer, Jozef,Gecz, Mark A,Corbett, Lisenka E L M,Vissers, Andy Wing Chun,Pang, Alex,Hastie, Erik-Jan,Kamsteeg, Alexander,Hoischen
Genome research · 2025-04-14
pmid:40113266