Cited by 136Genetics and Neurodevelopmental DisordersGenetic Neurodegenerative DiseasesAmyotrophic Lateral Sclerosis Research

Advances in understanding the molecular basis of FXTAS

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Garcia-Arocena, D., Hagerman, P. J.·2010·Human Molecular Genetics

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.

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  • FXTAS affects approximately 46% of male and 17% of female adult premutation carriers.

    “FXTAS (Figure 1) has been reported to affect approximately 46% of male and 17% of female adult carriers (28).”
  • FXTAS is a recently identified neurodegenerative disorder seen in premutation carriers.

    “The neurological problems described above are associated with a recently identified neurodegenerative disorder seen in PM carriers, the fragile X-associated tremor ataxia syndrome (FXTAS) (28).”

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  1. Bourgeois, J.A., Coffey, S.M., Rivera, S.M., Hessl, D., Gane, L.W., Tassone, F., Greco, C., Finucane, B., Nelson, L., Berry-Kravis, E. et al. R86 Human Molecular Genetics, 2010, Vol. 19, Review Issue 1 Downloaded from https://academic.oup.com/hmg/article/19/R1/R83/625139 by guest on 13 August 2023 (2009)

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Authors
Garcia-Arocena, D., & Hagerman, P. J.
Affiliations
University of California, Davis (US)
Corresponding author
Hagerman, P. J.
Venue
Human Molecular Genetics
Published
2010-04-15
Volume
19
Issue
R1
Pages
R83-R89
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2124286401
Cited by
136
References
94
Citations by year
2026: 1 · 2025: 1 · 2024: 5 · 2023: 1 · 2022: 8 · 2021: 1 · 2020: 4 · 2019: 7 · 2018: 3 · 2017: 6 · 2016: 12 · 2015: 5 · 2014: 15 · 2013: 14 · 2012: 19
FWCI
2.27
Type
journal article
Language
en
Open access
Locations
  • Human Molecular Genetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (HD040661)
  • National Institute on Aging (RL1AG032119)
  • National Institute of Dental and Craniofacial Research (UL1DE019583, UL1 DE19583)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD040661)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
fragile X-associated tremor/ataxia syndrome, FMR1 gene, CGG repeat expansion, premutation, gain-of-function, neurodegeneration, molecular mechanisms, disease models, fragile X syndrome
MeSH terms
Fragile X Syndrome, Humans, RNA, Tremor, Fragile X Messenger Ribonucleoprotein 1, Fragile X Mental Retardation Protein

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