Cited by 1,445RNA Research and SplicingCancer-related molecular mechanisms researchRNA regulation and disease

An architectural role for a nuclear noncoding RNA: NEAT1 RNA is essential for the structure of paraspeckles

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Clemson, Christine M., Hutchinson, John N., Sara, Sergio A., Ensminger, Alexander W., Fox, Archa H., Chess, Andrew, Lawrence, Jeanne B.·2009·Molecular Cell

Abstract

NEAT1 RNA, a highly abundant 4 kb ncRNA, is retained in nuclei in approximately 10 to 20 large foci that we show are completely coincident with paraspeckles, nuclear domains implicated in mRNA nuclear retention. Depletion of NEAT1 RNA via RNAi eradicates paraspeckles, suggesting that it controls sequestration of the paraspeckle proteins PSP1 and p54, factors linked to A-I editing. Unlike overexpression of PSP1, NEAT1 overexpression increases paraspeckle number, and paraspeckles emanate exclusively from the NEAT1 transcription site. The PSP-1 RNA binding domain is required for its colocalization with NEAT1 RNA in paraspeckles, and biochemical analyses support that NEAT1 RNA binds with paraspeckle proteins. Unlike other nuclear-retained RNAs, NEAT1 RNA is not A-I edited, consistent with a structural role in paraspeckles. Collectively, results demonstrate that NEAT1 functions as an essential structural determinant of paraspeckles, providing a precedent for a ncRNA as the foundation of a nuclear domain.

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Crossref · 10.1016/j.molcel.2009.01.026

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  1. Tam R Shopland LS Johnson CV McNeil J Lawrence JB 2002 Applications of RNA FISH for visualizing gene expression and nuclear architecture 260 New York Oxford University Press

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Authors
Clemson, C. M., Hutchinson, J. N., Sara, S. A., Ensminger, A. W., Fox, A. H., Chess, A., & Lawrence, J. B.
Affiliations
  • University of Massachusetts Chan Medical School (US)
  • Harvard University (US)
  • The University of Western Australia (AU)
Corresponding author
  • Clemson, Christine M.
  • Lawrence, Jeanne B.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2009-03
Volume
33
Issue
6
Pages
717-726
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2051282896
Cited by
1,445
References
53
Citations by year
2026: 61 · 2025: 62 · 2024: 89 · 2023: 89 · 2022: 101 · 2021: 140 · 2020: 109 · 2019: 111 · 2018: 121 · 2017: 119 · 2016: 100 · 2015: 69 · 2014: 67 · 2013: 76 · 2012: 38
FWCI
17.60
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • The Journal of the American Medical Association (JAMA) Network (American Medical Association) (submittedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion, other-oa)
Funders
  • National Institutes of Health (2r01gm053234-16a1)
  • National Institute on Deafness and Other Communication Disorders (DC003263, R01DC003263)
  • National Institute of General Medical Sciences (GM068711, R01GM068138, GM 68138, GM-53234, R01 GM-053234, R01GM068711)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (T32HD007439, HD007439)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
Keywords
paraspeckles, non-coding RNA, nuclear domains, p54, A-to-I RNA editing, RNA-RNA interactions, RNAi depletion
MeSH terms
Animals, Cell Nucleus, Cells, Cultured, Endoribonucleases, Humans, Nuclear Proteins, RNA, Small Nuclear, RNA-Binding Proteins, RNA Interference, Intranuclear Inclusion Bodies, Immunoprecipitation, Mice, Gene Knockdown Techniques, Chloroplast Proteins

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