Abramzon, Y;
Dewan, R;
Cortese, A;
Resnick, S;
Ferrucci, L;
Houlden, H;
Traynor, BJ;
(2021)
Investigating RFC1 expansions in sporadic amyotrophic lateral sclerosis.
Journal of the Neurological Sciences
, 430
, Article 118061. 10.1016/j.jns.2021.118061.
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Abstract
A homozygous AAGGG repeat expansion within the RFC1 gene was recently described as a common cause of CANVAS syndrome. We examined 1069 sporadic ALS patients for the presence of this repeat expansion. We did not discover any carriers of the homozygous AAGGG expansion in our ALS cohort, indicating that this form of RFC1 repeat expansions is not a common cause of sporadic ALS. However, our study did identify a novel repeat conformation and further expanded on the highly polymorphic nature of the RFC1 locus.
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