Cited by 280Genetics and Neurodevelopmental DisordersRNA and protein synthesis mechanismsNeuroscience and Neuropharmacology Research

Dysregulation and restoration of translational homeostasis in fragile X syndrome

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Richter, Joel D., Bassell, Gary J., Klann, Eric·2015·Nature Reviews Neuroscience

Abstract

Fragile X syndrome (FXS), the most-frequently inherited form of intellectual disability and the most-prevalent single-gene cause of autism, results from a lack of fragile X mental retardation protein (FMRP), an RNA-binding protein that acts, in most cases, to repress translation. Multiple pharmacological and genetic manipulations that target receptors, scaffolding proteins, kinases and translational control proteins can rescue neuronal morphology, synaptic function and behavioural phenotypes in FXS model mice, presumably by reducing excessive neuronal translation to normal levels. Such rescue strategies might also be explored in the future to identify the mRNAs that are critical for FXS pathophysiology.

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  • S6K1 acts downstream of TORC1 to drive EIF4E-regulated initiation of translation and dampens translation of FMRP-regulated mRNAs by phosphorylating FMRP.

    “S6K1 has been shown to act downstream of TORC1 to drive EIF4E-regulated initiation of translation (Richter et al., 2015), and dampens translation of FMRP-regulated mRNAs by phosphorylating FMRP (Santoro et al., 2012).”

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Authors
Richter, J. D., Bassell, G. J., & Klann, E.
Affiliations
  • University of Massachusetts Chan Medical School (US)
  • Emory University (US)
  • New York University (US)
Corresponding author
Klann, Eric
Venue
Nature Reviews Neuroscience
Published
2015-09-09
Volume
16
Issue
10
Pages
595-605
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2237226910
Cited by
275
References
127
Citations by year
2026: 14 · 2025: 21 · 2024: 9 · 2023: 25 · 2022: 32 · 2021: 24 · 2020: 36 · 2019: 24 · 2018: 35 · 2017: 33 · 2016: 20 · 2015: 1
FWCI
3.83
Type
journal article
Language
en
Open access
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Neurological Disorders and Stroke (R01NS079415, R01NS047384)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (U54HD082013, HD082013)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
fragile X syndrome, FMRP, mRNA translation, RNA-binding proteins, intellectual disability, autism spectrum disorder, pharmacological rescue, genetic rescue, synaptic function, neuronal morphology, translational regulation
MeSH terms
Animals, Fragile X Syndrome, Homeostasis, Humans, RNA, Messenger, Gene Expression, Mice, Fragile X Messenger Ribonucleoprotein 1

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