A common flanking variant is associated with enhanced meiotic stability of the FGF14-SCA27B locus
D Pellerin, GD Gobbo, M Couse, E Dolzhenko… - Biorxiv, 2023 - biorxiv.org
… protective genomic element insulating the highly mutagenic FGF14-SCA27B locus. …
variant upstream of the FGF14-SCA27B locus is associated with enhanced meiotic stability and …
variant upstream of the FGF14-SCA27B locus is associated with enhanced meiotic stability and …
[HTML][HTML] Spinocerebellar ataxia 27B (SCA27B), a frequent late-onset cerebellar ataxia
G Clément, S Puisieux, D Pellerin, B Brais, C Bonnet… - Revue …, 2024 - Elsevier
… are genetic, either caused by conventional variants or due to tandem repeat expansions. …
Moreover, the instability of the GAA repeat during parental transmission depends on its size …
Moreover, the instability of the GAA repeat during parental transmission depends on its size …
Clinical and genetic keys to cerebellar ataxia due to FGF14 GAA expansions
JL Méreaux, CS Davoine, D Pellerin, G Coarelli… - …, 2024 - thelancet.com
… We aimed to assess the size and frequency of FGF14 expanded alleles in individuals with
… it for statistical analyses except for intergenerational instability and parental transmission. …
… it for statistical analyses except for intergenerational instability and parental transmission. …
Complete nanopore repeat sequencing of SCA27B (GAA-FGF14 ataxia) in Japanese
S Miyatake, H Doi, H Yaguchi, E Koshimizu… - Journal of Neurology …, 2024 - jnnp.bmj.com
… -common flanking variant was observed in all Japanese GAA repeat alleles within normal
length, demonstrating its meiotic stability … We identified 14 patients with GAA-FGF14 SCA27B …
length, demonstrating its meiotic stability … We identified 14 patients with GAA-FGF14 SCA27B …
Unveiling pathogenic and non-pathogenic FGF14 repeat expansions: identification, sequence, and secondary structure
C Depienne, L Mohren, F Erdlenbruch, E Leitão… - 2024 - researchsquare.com
… Distinct 5'-flanking regions correlate with repeat stability. … of AAG repeats at the FGF14
locus, we developed a nanopore … Hence, in the context of FGF14/SCA27B, there is a potential …
locus, we developed a nanopore … Hence, in the context of FGF14/SCA27B, there is a potential …
[HTML][HTML] Discovery of new repeat expansion disorders in ataxia and beyond
… GAA repeat determines the meiotic expansion stability of the locus. The discovery of such …
variants in these and other genes into account, and 3) translation of the findings into improved …
variants in these and other genes into account, and 3) translation of the findings into improved …
The genetic landscape and phenotypic spectrum of GAA-FGF14 ataxia in China: a large cohort study
R Ouyang, L Wan, D Pellerin, Z Long, J Hu, Q Jiang… - …, 2024 - thelancet.com
… The screens for FGF14 repeat locus were performed as … of intergenerational instability and
parental transmission. … transmission during nine different maternal meiotic events. (f) The …
parental transmission. … transmission during nine different maternal meiotic events. (f) The …
Challenges facing repeat expansion identification, characterisation, and the pathway to discovery
JL Read, KC Davies, GC Thompson… - Emerging Topics in …, 2023 - portlandpress.com
… of flanking regions surrounding the RE uncovered a common 17 bp deletion-insertion variant
that correlated with increased DNA stability … meiotic stability of the FGF14-SCA27B locus. …
that correlated with increased DNA stability … meiotic stability of the FGF14-SCA27B locus. …
[HTML][HTML] Identification and characterization of repeat expansions in neurological disorders: Methodologies, tools, and strategies
E Leitão, C Schröder, C Depienne - Revue Neurologique, 2024 - Elsevier
… Meiotic instability typically results in an increased number of … , in a manner that depends
on the expanded locus, motif, and … with two specific primers flanking the region of interest. …
on the expanded locus, motif, and … with two specific primers flanking the region of interest. …
GAA-FGF14 disease: defining its frequency, molecular basis, and 4-aminopyridine response in a large downbeat nystagmus cohort
D Pellerin, F Heindl, C Wilke, MC Danzi, A Traschütz… - …, 2024 - thelancet.com
… We also genotyped the rs72665334 variant by Sanger sequencing in an independent …
common flanking variant is associated with enhanced meiotic stability of the FGF14-SCA27B locus…
common flanking variant is associated with enhanced meiotic stability of the FGF14-SCA27B locus…