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- Title
Advances in understanding the molecular basis of FXTAS.
- Authors
Garcia-Arocena, Dolores; Hagerman, Paul J
- Abstract
Fragile X-associated tremor/ataxia syndrome (FXTAS) is an adult-onset neurodegenerative disorder among carriers of premutation expansions (55-200 CGG repeats) of the fragile X mental retardation 1 (FMR1) gene. The clinical features of FXTAS, as well as other forms of clinical involvement in carriers without FXTAS, are thought to arise from a toxic gain of function of transcriptionally active FMR1 containing expanded CGG repeats. Although the precise mechanisms involved in rCGG toxicity are unknown, here we discuss the latest advances and models that contribute to the understanding of the molecular basis of FXTAS, and the emerging view of FXTAS as the end-stage of a process that begins in early development.
- Publication
Human molecular genetics, 2010, Vol 19, Issue R1, pR83
- ISSN
1460-2083
- Publication type
Journal Article
- DOI
10.1093/hmg/ddq166