Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs3512
rs3512
0.010 GeneticVariation BEFREE A sequence variation (rs3512) in FAN1 gene has previously been shown to be associated with late AO in Huntington's disease and polyglutaminopathies associated to ataxia. 31587151

2020

dbSNP: rs397514749
rs397514749
0.010 GeneticVariation BEFREE Of note, 2 heterozygous missense variants (c.1438C>T, p.R480 W; c.1309C>G, p.R437G), both lying in the second spectrin repeat of SPTBN2, have been linked to infantile-onset cerebellar ataxia, similar to SCAR14. 31617442

2020

dbSNP: rs755221106
rs755221106
0.010 GeneticVariation BEFREE Although a recurrent heterozygous mutation (p.Arg1715His) in CACNA1G is known to cause adult-onset spinocerebellar ataxia 42 (SCA42*616795), gain-of-function mutations in this gene have recently been identified by whole exome sequencing (WES) in four children with cerebellar atrophy and ataxia, psychomotor delay, and other variable features. 31836334

2020

dbSNP: rs1057518011
rs1057518011
0.010 GeneticVariation BEFREE Here we present five subjects from three novel SCA21 families from different parts of the world (including a novel c.196G > A, p.G66R TMEM240 variant from Colombia), demonstrating that, in addition to cerebellar ataxia, not only hypokinetic features (hypomimia, bradykinesia), but also hyperkinetic movement disorders (poly-mini-myoclonus, proximal myoclonus) are a recurrent part of the phenotypic spectrum of SCA21. 30522958

2019

dbSNP: rs118204095
rs118204095
0.010 GeneticVariation BEFREE Homozygous R173Q mice were embryonic lethal, while R167Q homozygous mice (R167Q+/+) had ~5% of normal HMBS activity, constitutively elevated plasma and urinary 5-aminolevulinic acid (ALA) and porphobilinogen (PBG), profound early-onset ataxia, delayed motor development and markedly impaired rotarod performance. 30615115

2019

dbSNP: rs118204096
rs118204096
0.010 GeneticVariation BEFREE Homozygous R173Q mice were embryonic lethal, while R167Q homozygous mice (R167Q+/+) had ~5% of normal HMBS activity, constitutively elevated plasma and urinary 5-aminolevulinic acid (ALA) and porphobilinogen (PBG), profound early-onset ataxia, delayed motor development and markedly impaired rotarod performance. 30615115

2019

dbSNP: rs373893038
rs373893038
0.010 GeneticVariation BEFREE The TRIO p.A1214V variant is associated with cerebellar ataxia in the studied family; it was present in all affected and unaffected family members.Phenotype is severe and broad. 30279051

2019

dbSNP: rs587777004
rs587777004
0.010 GeneticVariation BEFREE A homozygous mutation (p.Thr52Pro) in COX20 gene has been previously described to cause muscle hypotonia and ataxia. 31079202

2019

dbSNP: rs1318256630
rs1318256630
0.010 GeneticVariation BEFREE Moreover, the novel mutation, p.R414C, adds up to the literature for the infantile-onset form of autosomal recessive ataxia associated with SPTBN2. 29196973

2018

dbSNP: rs58332872
rs58332872
0.010 GeneticVariation BEFREE Patients with E90K and N98S frequently presented before age 3 years and developed hearing loss or other neurological features including ataxia and/or cerebellar atrophy on brain MRI. 28501821

2017

dbSNP: rs727502818
rs727502818
0.010 GeneticVariation BEFREE p.(Arg320His) mutation in the KCNC1 gene in human 11p15.1 has recently been identified in patients with progressive myoclonus epilepsies, a group of rare inherited disorders manifesting with action myoclonus, myoclonic epilepsy, and ataxia. 28145425

2017

dbSNP: rs143319805
rs143319805
0.010 GeneticVariation BEFREE Human skin fibroblasts were isolated from a 48-year-old patient carrying compound heterozygous mutations (c.610+364G>A and c.1311A>G) in OPA1, responsible for early onset optic atrophy complicated by ataxia and pyramidal signs (Behr syndrome; OMIM #210000). 27879217

2016

dbSNP: rs28933383
rs28933383
0.010 GeneticVariation BEFREE Family 2 had an 8-year-old patient with muscle spasms with rigidity for whom WES revealed a previously reported heterozygous missense mutation in KCNA1 c.677C>G (p.T226R), confirming the diagnosis of EA1 without ataxia. 26395884

2016

dbSNP: rs886041761
rs886041761
0.010 GeneticVariation BEFREE Follow-up analysis of > 2,000 patients with various neurological phenotypes identified a de novo p.R294H mutation in a proband with ataxia and ID. 27543892

2016

dbSNP: rs121918100
rs121918100
TTR
0.010 GeneticVariation BEFREE We report the neuropathologic findings from a brain autopsy of a 72-year-old man with the rare Tyr69His (Y69H) TTR gene variant, dementia and ataxia. 26156087

2015

dbSNP: rs148156462
rs148156462
0.010 GeneticVariation BEFREE No significant differences existed in the genotype frequency and minor allele frequency of Val393Ala between patients and controls or between MSA characterized predominantly by cerebellar ataxia and by pakinsonism groups. 25442117

2015

dbSNP: rs770684782
rs770684782
0.010 GeneticVariation BEFREE We identified an atypical form of Ataxia with Oculoapraxia type 2 (AOA2) with myoclonus at onset associated with the c.6292C > T (p.Arg2098*) homozygous mutation. 25927548

2015

dbSNP: rs201754030
rs201754030
0.010 GeneticVariation BEFREE The same p.Q286X variant was found as compound heterozygous with a splice site change in a patient from a second family, with juvenile-onset optic atrophy, peripheral neuropathy, and ataxia. 25037205

2014

dbSNP: rs587777343
rs587777343
0.010 GeneticVariation BEFREE We performed exome sequencing in a family with two of three siblings afflicted with ataxia and hypogonadism and identified a homozygous mutation in STUB1 (NM_005861) c.737C→T, p.Thr246Met, a gene that encodes the protein CHIP (C-terminus of HSC70-interacting protein). 24113144

2014

dbSNP: rs28933381
rs28933381
0.010 GeneticVariation BEFREE The fourth family harboured a previously reported A242P mutation, which has not been previously described in association with ataxia. 23349320

2013

dbSNP: rs119456965
rs119456965
0.010 GeneticVariation BEFREE In a 2.5-years-old male patient with non syndromic congenital ataxia and autophagic vacuoles in the muscle biopsy we identified a homozygous nonsense mutation R111X mutation in SIL1 gene, leading to early diagnosis of Marinesco-Sjogren syndrome. 21873089

2012

dbSNP: rs121908217
rs121908217
0.010 GeneticVariation BEFREE Although p.Arg583Gln mutations are associated with a heterogeneous phenotype, carriers present cerebellar signs which consisted generally in ataxia and dysmetria, with intention tremor appearing mostly in advanced age, often progressive and permanent. 22527033

2012

dbSNP: rs121908224
rs121908224
0.010 GeneticVariation BEFREE Here, we explored the effects of G protein-dependent modulation on mutations W1684R and V1696I which cause FHM-1 with and without cerebellar ataxia, respectively. 22549042

2012

dbSNP: rs267606670
rs267606670
0.010 GeneticVariation BEFREE We report new clinical features of delayed motor development, hypotonia, and ataxia in two young children with mutations (R756H and D923N) in the ATP1A3 gene. 22924536

2012

dbSNP: rs1335702493
rs1335702493
0.010 GeneticVariation BEFREE The previously reported missense mutation W210C in MRE11 gene was identified in two families with autosomal recessive ataxia and oculomotor apraxia. 21324166

2011