Cited by 1,109Genetics and Neurodevelopmental DisordersRNA and protein synthesis mechanismsRNA Research and Splicing

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Microarray Identification of FMRP-Associated Brain mRNAs and Altered mRNA Translational Profiles in Fragile X Syndrome

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Abstract

Fragile X syndrome results from the absence of the RNA binding FMR protein. Here, mRNA was coimmunoprecipitated with the FMRP ribonucleoprotein complex and used to interrogate microarrays. We identified 432 associated mRNAs from mouse brain. Quantitative RT-PCR confirmed some to be >60-fold enriched in the immunoprecipitant. In parallel studies, mRNAs from polyribosomes of fragile X cells were used to probe microarrays. Despite equivalent cytoplasmic abundance, 251 mRNAs had an abnormal polyribosome profile in the absence of FMRP. Although this represents <2% of the total messages, 50% of the coimmunoprecipitated mRNAs with expressed human orthologs were found in this group. Nearly 70% of those transcripts found in both studies contain a G quartet structure, demonstrated as an in vitro FMRP target. We conclude that translational dysregulation of mRNAs normally associated with FMRP may be the proximal cause of fragile X syndrome, and we identify candidate genes relevant to this phenotype.

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  1. 1994, Fmr1 knockout mice, Cell, 78, 23

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Authors
Brown, V., Jin, P., Ceman, S., Darnell, J. C., O'Donnell, W. T., Tenenbaum, S. A., Jin, X., Feng, Y., Wilkinson, K. D., Keene, J. D., Darnell, R. B., & Warren, S. T.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Rockefeller University (US)
  • Duke Medical Center (US)
  • Emory University (US)
Corresponding author
Warren, Stephen T.
Venue
Cell
Publisher
Elsevier BV
Published
2001-11
Volume
107
Issue
4
Pages
477-487
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2098756736
Cited by
1,109
References
47
Citations by year
2026: 6 · 2025: 11 · 2024: 20 · 2023: 28 · 2022: 27 · 2021: 33 · 2020: 36 · 2019: 41 · 2018: 39 · 2017: 39 · 2016: 43 · 2015: 39 · 2014: 56 · 2013: 57 · 2012: 51
FWCI
33.21
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of General Medical Sciences (T32GM008490, T32GM008169)
  • National Institute of Neurological Disorders and Stroke (R01 NS34389, R01NS034389)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R37 HD20521, R01 HD40647, P01 HD35576, R37HD020521, R01HD040647, P01HD035576)
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 › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
fragile X syndrome, FMRP, G-quartet, RNA-binding proteins, mouse brain, candidate genes
MeSH terms
Amino Acid Sequence, Animals, Brain Chemistry, Centrifugation, Density Gradient, Disease Models, Animal, Fragile X Syndrome, Humans, Ligands, Mice, Inbred C57BL, Models, Genetic, Molecular Sequence Data, Nerve Tissue Proteins, Precipitin Tests, Protein Binding, Regulatory Sequences, Nucleic Acid, Ribosomes, RNA, Messenger, Protein Biosynthesis, Polymerase Chain Reaction, Sequence Alignment, RNA-Binding Proteins, Sequence Homology, Amino Acid, Mice, Knockout, Oligonucleotide Array Sequence Analysis, Macromolecular Substances, Mice, Fragile X Messenger Ribonucleoprotein 1, Fragile X Mental Retardation Protein

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