Length of uninterrupted CAG repeats, independent of polyglutamine size, results in increased somatic instability and hastened age of onset in Huntington disease
Galen E.B. Wright, Jennifer A. Collins, Chris Kay, Cassandra L. McDonald, Egor Dolzhenko, Qingwen Xia, Kristina Bečanović, Britt I. Drögemöller, Alicia Semaka, Charlotte M. Nguyen, Brett Trost, Fiona Richards, Emilia K. Bijlsma, Ferdinando Squitieri, Colin J. Ross, , Michael R. Hayden
This study identifies a genetic variant that reduces interruption between CAG and CCG repeats in the HTT gene, leading to earlier onset of Huntington disease and increased somatic instability.
The American Journal of Human Genetics · May 16, 2019Peer-reviewedGenetics