FMRP stalls ribosomal translocation on mRNAs linked to synaptic function and autism
Jennifer C. Darnell,Sarah J. Van Driesche,Chaolin Zhang,Ka Ying Sharon Hung,Aldo Mele,Claire E. Fraser,Elizabeth F. Stone,Cynthia Chen,John J. Fak,Sung Wook Chi,Donny D. Licatalosi,Joel D. Richter,Robert B. Darnell,Robert B. Darnell +13 more
TLDR
A brain polyribosome-programmed translation system is developed, revealing that FMRP reversibly stalls ribosomes specifically on its target mRNAs and suggests multiple targets for clinical intervention in FXS and ASD.About:
This article is published in Cell.The article was published on 2011-07-22 and is currently open access. It has received 1861 citations till now. The article focuses on the topics: FMR1 & RNA-binding protein.read more
Citations
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Journal ArticleDOI
Synaptic, transcriptional and chromatin genes disrupted in autism
Silvia De Rubeis,Xin-Xin He,Arthur P. Goldberg,Christopher S. Poultney,Kaitlin E. Samocha,A. Ercument Cicek,Yan Kou,Li Liu,Menachem Fromer,Menachem Fromer,R. Susan Walker,Tarjinder Singh,Lambertus Klei,Jack A. Kosmicki,Shih-Chen Fu,Branko Aleksic,Monica Biscaldi,Patrick Bolton,Jessica M. Brownfeld,Jinlu Cai,Nicholas G. Campbell,Angel Carracedo,Angel Carracedo,Maria H. Chahrour,Andreas G. Chiocchetti,Hilary Coon,Emily L. Crawford,Lucy Crooks,Sarah Curran,Geraldine Dawson,Eftichia Duketis,Bridget A. Fernandez,Louise Gallagher,Evan T. Geller,Stephen J. Guter,R. Sean Hill,R. Sean Hill,Iuliana Ionita-Laza,Patricia Jiménez González,Helena Kilpinen,Sabine M. Klauck,Alexander Kolevzon,Irene Lee,Jing Lei,Terho Lehtimäki,Chiao-Feng Lin,Avi Ma'ayan,Christian R. Marshall,Alison L. McInnes,Benjamin M. Neale,Michael John Owen,Norio Ozaki,Mara Parellada,Jeremy R. Parr,Shaun Purcell,Kaija Puura,Deepthi Rajagopalan,Karola Rehnström,Abraham Reichenberg,Aniko Sabo,Michael Sachse,Stephen Sanders,Chad M. Schafer,Martin Schulte-Rüther,David Skuse,David Skuse,Christine Stevens,Peter Szatmari,Kristiina Tammimies,Otto Valladares,Annette Voran,Li-San Wang,Lauren A. Weiss,A. Jeremy Willsey,Timothy W. Yu,Timothy W. Yu,Ryan K. C. Yuen,Edwin H. Cook,Christine M. Freitag,Michael Gill,Christina M. Hultman,Thomas Lehner,Aarno Palotie,Aarno Palotie,Aarno Palotie,Gerard D. Schellenberg,Pamela Sklar,Matthew W. State,James S. Sutcliffe,Christopher A. Walsh,Christopher A. Walsh,Stephen W. Scherer,Michael E. Zwick,Jeffrey C. Barrett,David J. Cutler,Kathryn Roeder,Bernie Devlin,Mark J. Daly,Mark J. Daly,Joseph D. Buxbaum +99 more
TL;DR: Using exome sequencing, it is shown that analysis of rare coding variation in 3,871 autism cases and 9,937 ancestry-matched or parental controls implicates 22 autosomal genes at a false discovery rate of < 0.05, plus a set of 107 genes strongly enriched for those likely to affect risk (FDR < 0.30).
Journal ArticleDOI
The contribution of de novo coding mutations to autism spectrum disorder
Ivan Iossifov,Brian J. O'Roak,Stephen Sanders,Stephen Sanders,Michael Ronemus,Niklas Krumm,Dan Levy,Holly A.F. Stessman,Kali Witherspoon,Laura Vives,Karynne E. Patterson,Joshua D. Smith,Bryan W. Paeper,Deborah A. Nickerson,Jeanselle Dea,Shan Dong,Shan Dong,Luis E. Gonzalez,Jeffrey D. Mandell,Shrikant Mane,Michael T. Murtha,Catherine A.W. Sullivan,Michael F. Walker,Zainulabedin Waqar,Liping Wei,A. Jeremy Willsey,A. Jeremy Willsey,Boris Yamrom,Yoon-ha Lee,Ewa A. Grabowska,Ertugrul Dalkic,Ertugrul Dalkic,Zihua Wang,Steven Marks,Peter Andrews,Anthony Leotta,Jude Kendall,Inessa Hakker,Julie Rosenbaum,Beicong Ma,Linda Rodgers,Jennifer Troge,Giuseppe Narzisi,Seungtai Yoon,Michael C. Schatz,Kenny Ye,W. Richard McCombie,Jay Shendure,Evan E. Eichler,Evan E. Eichler,Matthew W. State,Matthew W. State,Michael Wigler +52 more
TL;DR: It is estimated that LGD mutation in about 400 genes can contribute to the joint class of affected females and males of lower IQ, with an overlapping and similar number of genes vulnerable to contributory missense mutation.
Journal ArticleDOI
Ribosome Profiling of Mouse Embryonic Stem Cells Reveals the Complexity and Dynamics of Mammalian Proteomes
TL;DR: A suite of techniques, based on ribosome profiling, are presented to provide genome-wide maps of protein synthesis as well as a pulse-chase strategy for determining rates of translation elongation, revealing an unanticipated complexity to mammalian proteomes.
Journal ArticleDOI
De novo mutations in schizophrenia implicate synaptic networks
Menachem Fromer,Andrew Pocklington,David J. Kavanagh,Hywel Williams,Sarah Dwyer,Padhraig Gormley,Lyudmila Georgieva,Elliott Rees,Priit Palta,Douglas M. Ruderfer,Noa Carrera,Isla Humphreys,Jessica S. Johnson,Panos Roussos,Douglas Barker,Eric Banks,Vihra Milanova,Seth G. N. Grant,Eilis Hannon,Samuel A. Rose,Kimberly Chambert,Milind Mahajan,Edward M. Scolnick,Jennifer L. Moran,George Kirov,Aarno Palotie,Steven A. McCarroll,Peter Holmans,Pamela Sklar,Michael John Owen,Shaun Purcell,Michael Conlon O'Donovan +31 more
TL;DR: Genes affected by mutations in schizophrenia overlap those mutated in autism and intellectual disability, as do mutation-enriched synaptic pathways, and pathophysiology shared with other neurodevelopmental disorders.
Journal ArticleDOI
De Novo Gene Disruptions in Children on the Autistic Spectrum
Ivan Iossifov,Michael Ronemus,Dan Levy,Zihua Wang,Inessa Hakker,Julie Rosenbaum,Boris Yamrom,Yoon-ha Lee,Giuseppe Narzisi,Anthony Leotta,Jude Kendall,Ewa A. Grabowska,Beicong Ma,Steven Marks,Linda Rodgers,Asya Stepansky,Jennifer Troge,Peter Andrews,Mitchell A. Bekritsky,Kith Pradhan,Elena Ghiban,Melissa Kramer,Jennifer Parla,Ryan Demeter,Lucinda Fulton,Robert S. Fulton,Vincent Magrini,Kenny Ye,Jennifer C. Darnell,Robert B. Darnell,Robert B. Darnell,Elaine R. Mardis,Richard K. Wilson,Michael C. Schatz,Richard W. McCombie,Michael Wigler +35 more
TL;DR: Exome sequencing of 343 families, each with a single child on the autism spectrum and at least one unaffected sibling, reveals de novo small indels and point substitutions, which suggest FMRP-associated genes are especially dosage-sensitive targets of cognitive disorders.
References
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Translational Regulatory Mechanisms in Persistent Forms of Synaptic Plasticity
TL;DR: A growing body of evidence now supports a crucial role for neuronal activity-dependent mRNA translation, which may occur in dendrites for a subset of neuronal mRNAs, which provides the components necessary for persistent forms of LTP and LTD.
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The fragile X syndrome protein represses activity-dependent translation through CYFIP1, a new 4E-BP.
Ilaria Napoli,Ilaria Napoli,Valentina Mercaldo,Pietro Pilo Boyl,Boris Eleuteri,Francesca Zalfa,Silvia De Rubeis,Silvia De Rubeis,Daniele Di Marino,Evita Mohr,Marzia Massimi,Mattia Falconi,Walter Witke,Mauro Costa-Mattioli,Nahum Sonenberg,Tilmann Achsel,Claudia Bagni +16 more
TL;DR: The fragile X mental retardation protein (FMRP) acts by inhibiting translation initiation, and the translational repression activity of FMRP in the brain is mediated, at least in part, by CYFIP1.
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The autistic neuron: troubled translation?
Raymond J. Kelleher,Mark F. Bear +1 more
TL;DR: It is proposed that aberrant synaptic protein synthesis may represent one possible pathway leading to autistic phenotypes, including cognitive impairment and savant abilities.
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Dysregulation of mTOR Signaling in Fragile X Syndrome
Ali Sharma,Charles A. Hoeffer,Yukihiro Takayasu,Yukihiro Takayasu,Takahiro Miyawaki,Takahiro Miyawaki,Sean M.J. McBride,Eric Klann,R. Suzanne Zukin +8 more
TL;DR: Elevated mTOR signaling may provide a functional link between overactivation of group I mGluRs and aberrant synaptic plasticity in the fragile X mouse, mechanisms relevant to impaired cognition in fragile X syndrome.
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Neuronal RNA granules: a link between RNA localization and stimulation-dependent translation.
TL;DR: It is concluded that RNA granules are a local storage compartment for mRNAs under translational arrest but are poised for release to actively translated pools, which may serve as a macromolecular mechanism linking RNA localization to translation and synaptic plasticity.
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