FRDA FXN
Disease ID
FRDA
Gene ID
FXN
Updated
Oct 7, 2025
v2.11.0
v2.11.0
Clinical Links
Bioinformatical Links
Disease
Name
Friedreich ataxia
Inheritance
Autosomal recessive Description
Age of Onset Details
Locus
Details
Alleles
Ref. Motif
GAA
Pathogenic (ref.)
GAA
Pathogenic (gene)
AAG
gnomAD
Pathogenic Genotype (%): % of individuals predicted to be affected based on their genotype
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:291000844
Sequence variation in GAA repeat expansions may cause differential phenotype display in Friedreich's ataxia.
D O,McDaniel, B,Keats, V V,Vedanarayanan, S H,Subramony
Movement disorders : official journal of the Movement Disorder Society · 2001-11-01
pmid:117487525
Clinical and genetic abnormalities in patients with Friedreich's ataxia.
A,Dürr, M,Cossee, Y,Agid, V,Campuzano, C,Mignard, C,Penet, J L,Mandel, A,Brice, M,Koenig
The New England journal of medicine · 1996-10-17
pmid:88159386
Diseases of unstable repeat expansion: mechanisms and common principles.
Jennifer R,Gatchel, Huda Y,Zoghbi
Nature reviews. Genetics · 2005-10-01
pmid:162057147
Clinical and neuroimaging review of triplet repeat diseases.
Ryo,Kurokawa, Mariko,Kurokawa, Akihiko,Mitsutake, Moto,Nakaya, Akira,Baba, Yasuhiro,Nakata, Toshio,Moritani, Osamu,Abe
Japanese journal of radiology · 2022-09-28
pmid:361697688
Friedreich's ataxia: autosomal recessive disease caused by an intronic GAA triplet repeat expansion.
V,Campuzano, L,Montermini, M D,Moltò, L,Pianese, M,Cossée, F,Cavalcanti, E,Monros, F,Rodius, F,Duclos, A,Monticelli, F,Zara, J,Cañizares, H,Koutnikova, S I,Bidichandani, C,Gellera, A,Brice, P,Trouillas, G,De Michele, A,Filla, R,De Frutos, F,Palau, P I,Patel, S,Di Donato, J L,Mandel, S,Cocozza, M,Koenig, M,Pandolfo
Science (New York, N.Y.) · 1996-03-08
pmid:8596916Ontology Lookup Service (OLS)
mondo:0100340Additional 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)
Long-Read Sequencing Identifies Mosaic Sequence Variations in Friedreich's Ataxia-GAA Repeats.
Joohyun,Park, Claudia,Dufke, Zofia,Fleszar, Michael,Schlotterbek, Elena,Buena-Atienza, Lara G,Stühn, Caspar,Gross, Marc,Sturm, Stephan,Ossowski, Ludger,Schöls, Olaf,Riess, Tobias B,Haack
International journal of molecular sciences · 2025-05-22
pmid:40507780Diagnostic 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:40488180Base editing of trinucleotide repeats that cause Huntington's disease and Friedreich's ataxia reduces somatic repeat expansions in patient cells and in mice.
Zaneta,Matuszek, Mandana,Arbab, Maheswaran,Kesavan, Alvin,Hsu, Jennie C L,Roy, Jing,Zhao, Tian,Yu, Ben,Weisburd, Gregory A,Newby, Neil J,Doherty, Muzhou,Wu, Shota,Shibata, Ana,Cristian, Y Allen,Tao, Liam G,Fearnley, Melanie,Bahlo, Heidi L,Rehm, Jun,Xie, Guangping,Gao, Ricardo,Mouro Pinto, David R,Liu
Nature genetics · 2025-05-26
pmid:40419681Inhibition of Rho-Associated Kinases ROCK1 and ROCK2 as a Therapeutic Strategy to Reactivate the Repressed
Minggang,Fang, Shahid,Banday, Sara K,Deibler, Tessa M,Simone, Madison,Coleman, Emerald,O'Connor, Rui,Li, Lihua Julie,Zhu, Michael R,Green
The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025-06-25
pmid:40404357MSH2 is not required for either maintenance of DNA methylation or repeat contraction at the FMR1 locus in fragile X syndrome or the FXN locus in Friedreich's ataxia.
Jessalyn,Grant-Bier, Kathryn,Ruppert, Bruce,Hayward, Karen,Usdin, Daman,Kumari
Epigenetics & chromatin · 2025-04-28
pmid:40296143ONT 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:40141365Diagnosis of hereditary ataxias: a real-world single center experience.
Adriana,Meli, Vincenzo,Montano, Giovanni,Palermo, Antonella,Fogli, Anna,Rocchi, Annalisa Lo,Gerfo, Rossella,Maltomini, Ludovica,Cori, Antonio,Siniscalchi, Clara,Bernardini, Giulia,Cecchi, Gabriele,Siciliano, Roberto,Ceravolo, Maria Adelaide,Caligo, Michelangelo,Mancuso, Piervito,Lopriore
Journal of neurology · 2025-01-15
pmid:39812846Friedreich Ataxia: An (Almost) 30-Year History After Gene Discovery.
Massimo,Pandolfo
Neurology. Genetics · 2025-01-13
pmid:39810753Assessment of the Clinical Interactions of GAA Repeat Expansions in
Brandon J,Gerhart, David,Pellerin, Matt C,Danzi, Stephan,Zuchner, Bernard,Brais, Gabriel,Matos-Rodrigues, Andre,Nussenzweig, Karen,Usdin, Courtney C,Park, Jill S,Napierala, David R,Lynch, Marek,Napierala
Neurology. Genetics · 2024-11-20
pmid:39574782