Cited by 1,103Cancer-related molecular mechanisms researchRNA Research and SplicingChromosomal and Genetic Variations

Specific expression of long noncoding RNAs in the mouse brain

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Mercer, Tim R., Dinger, Marcel E., Sunkin, Susan M., Mehler, Mark F., Mattick, John S.·2008·Proceedings of the National Academy of Sciences

Abstract

A major proportion of the mammalian transcriptome comprises long RNAs that have little or no protein-coding capacity (ncRNAs). Only a handful of such transcripts have been examined in detail, and it is unknown whether this class of transcript is generally functional or merely artifact. Using in situ hybridization data from the Allen Brain Atlas, we identified 849 ncRNAs (of 1,328 examined) that are expressed in the adult mouse brain and found that the majority were associated with specific neuroanatomical regions, cell types, or subcellular compartments. Examination of their genomic context revealed that the ncRNAs were expressed from diverse places including intergenic, intronic, and imprinted loci and that many overlap with, or are transcribed antisense to, protein-coding genes of neurological importance. Comparisons between the expression profiles of ncRNAs and their associated protein-coding genes revealed complex relationships that, in combination with the specific expression profiles exhibited at both regional and subcellular levels, are inconsistent with the notion that they are transcriptional noise or artifacts of chromatin remodeling. Our results show that the majority of ncRNAs are expressed in the brain and provide strong evidence that the majority of processed transcripts with no protein-coding capacity function intrinsically as RNAs.

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Crossref · 10.1073/pnas.0706729105

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  • SOX2-OT is a heavily spliced, evolutionarily conserved lncRNA with predominant brain expression and is a hub of these oligodendrocyte modules.

    “SOX2-OT is a heavily spliced, evolutionarily-conserved lncRNA exhibiting predominant brain expression and a hub of these oligodendrocyte modules, without previous mechanistic links to myelination (75, 76).”

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Authors
Mercer, T. R., Dinger, M. E., Sunkin, S. M., Mehler, M. F., & Mattick, J. S.
Affiliations
  • Australian Research Council (AU)
  • Allen Institute for Brain Science (US)
  • Albert Einstein College of Medicine (US)
Venue
Proceedings of the National Academy of Sciences
Published
2008-01-15
Volume
105
Issue
2
Pages
716-721
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2121828161
Cited by
1,103
References
64
Citations by year
2026: 6 · 2025: 26 · 2024: 35 · 2023: 29 · 2022: 42 · 2021: 70 · 2020: 71 · 2019: 64 · 2018: 81 · 2017: 84 · 2016: 84 · 2015: 97 · 2014: 79 · 2013: 101 · 2012: 67
FWCI
18.79
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • RIKEN
  • National Institute of Neurological Disorders and Stroke (R01NS038902)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
Keywords
long non-coding RNA, mouse brain, brain regional expression, cell types, antisense transcription, imprinted loci, intergenic transcripts, Allen Brain Atlas, transcriptome
MeSH terms
Animals, Brain, Gene Expression Regulation, Humans, Introns, Nucleic Acid Conformation, Transcription, Genetic, Genome, RNA, Complementary, Genomic Imprinting, Gene Expression Profiling, RNA, Untranslated, Genomics, Mice, Rats

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