Vegezzi, Elisa;
Ishiura, Hiroyuki;
Bragg, Cristopher;
Pellerin, David;
Magrinelli, Francesca;
Currò, Riccardo;
Facchini, Stefano;
... Cortese, Andrea; + view all
(2024)
Neurological disorders caused by novel non-coding repeat expansions: clinical features and differential diagnosis.
The Lancet Neurology
, 23
(7)
pp. 725-739.
10.1016/S1474-4422(24)00167-4.
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Abstract
Nucleotide repeat expansions in the human genome are a well-known cause of neurological disease. In the past decade, advances in DNA sequencing technologies have led to a better understanding of the role of non-coding DNA, that is, the DNA that is not transcribed into proteins. These techniques have also enabled the identification of pathogenic non-coding repeat expansions that cause neurological disorders. Mounting evidence shows that adult patients with familial or sporadic presentations of epilepsy, cognitive dysfunction, myopathy, neuropathy, ataxia, or movement disorders can be carriers of non-coding repeat expansions. The description of the clinical, epidemiological, and molecular features of these recently identified non-coding repeat expansion disorders should guide clinicians in the diagnosis and management of these patients, and help in the genetic counselling for patients and their families.
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