CANVAS RFC1
Disease ID
CANVAS
Gene ID
RFC1
Updated
Sep 24, 2025
v2.11.0
v2.11.0
Clinical Links
Bioinformatical Links
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)
Late-onset cerebellar ataxia in three European patients with repeat expansions in RFC1 and FGF14: a case series.
Armand,Hocquel, David,Pellerin, Jean Loup,Méreaux, Vincent,Huin, Marios,Hadjivassiliou, Guillemette,Clément, Felipe,Villa, Salomé,Puisieux, Solène,Frismand, Marion,Wandzel, Virginie,Roth, Anna,Wissocq, Thomas,Wirth, Matt C,Danzi, Isabelle,Quadrio, Stephan,Zuchner, Laetitia,Lambert, Fanny,Mochel, Matthis,Synofzik, Mathieu,Anheim, Henry,Houlden, Alexis,Brice, Carine,Pourié, Bernard,Brais, Céline,Bonnet, Alexandra,Durr, Mathilde,Renaud
Journal of neurology · 2025-07-10
pmid:40637932RFC1 regulates the expansion of neural progenitors in the developing zebrafish cerebellum.
Fanny,Nobilleau, Sébastien,Audet, Alexandra,da Silva Babinet, Sanaa,Tork, Charlotte,Zaouter, Meijiang,Liao, Nicolas,Pilon, Martine,Tétreault, Shunmoogum A,Patten, Éric,Samarut
Nature communications · 2025-07-01
pmid:40595562Feasibility of long-read sequencing to identify molecular alterations in an Indonesian cohort of locally advanced to advanced nasopharyngeal cancer.
,Handoko, Marlinda,Adham, Lisnawati,Rachmadi, Demak Lumban,Tobing, ,Asmarinah, ,Fadilah, Wei,Dai, Anne Wing Mui,Lee, Soehartati A,Gondhowiardjo
Scientific reports · 2025-07-01
pmid:40594369Diagnostic yield and limitations of whole-genome sequencing for hereditary cerebellar ataxia.
Wai Yan,Yau, Roisin,Sullivan, Emer,O'Connor, David,Pellerin, Michael H,Parkinson, Paola,Giunti, Marie-Josée,Dicaire, Matt C,Danzi, Stephan,Züchner, Bernard,Brais, Nicholas W,Wood, Henry,Houlden, Jana,Vandrovcova
Brain communications · 2025-05-17
pmid:40488180Comprehensive Characterisation of the RFC1 Repeat in an Australian Cohort.
Kayli C,Davies, Haloom,Rafehi, Liam G,Fearnley, Penny,Snell, Greta,Gillies, Tess A,Field, Gábor M,Halmágyi, Kishore R,Kumar, Kate,Pope, Renee,Smyth, Susan E,Tomlinson, Stephen,Tisch, Chi-Chang,Tang, Shaun R D,Watson, Thomas,Wellings, Kathy H C,Wu, David J,Szmulewicz, Martin B,Delatycki, Melanie,Bahlo, Paul J,Lockhart
Cerebellum (London, England) · 2025-06-07
pmid:40481300Chronic idiopathic axonal neuropathy: antibodies, genetics, and beyond.
Mehmet Can,Sari, Ahmet,Hoke
Current opinion in neurology · 2025-06-06
pmid:40471691Impact of the intronic RFC1 expansion size in CANVAS phenotype: an oculomotor study.
Mathieu,Dupré, Ruben,Hermann, Léo,Vidoni, Isabelle,Quadrio, Philippe,Latour, Fabien,Subtil, Caroline,Froment Tilikete
Journal of neurology · 2025-06-03
pmid:40461673A 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,Zuchner
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:40313272