Cited by 2,423Circular RNAs in diseasesRNA Research and SplicingRNA regulation and disease

Circular RNAs in the Mammalian Brain Are Highly Abundant, Conserved, and Dynamically Expressed

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Rybak-Wolf, Agnieszka, Stottmeister, Christin, Glažar, Petar, Jens, Marvin, Pino, Natalia, Giusti, Sebastian, Hanan, Mor, Behm, Mikaela +10 more·2015·Molecular Cell

Abstract

Circular RNAs (circRNAs) are an endogenous class of animal RNAs. Despite their abundance, their function and expression in the nervous system are unknown. Therefore, we sequenced RNA from different brain regions, primary neurons, isolated synapses, as well as during neuronal differentiation. Using these and other available data, we discovered and analyzed thousands of neuronal human and mouse circRNAs. circRNAs were extraordinarily enriched in the mammalian brain, well conserved in sequence, often expressed as circRNAs in both human and mouse, and sometimes even detected in Drosophila brains. circRNAs were overall upregulated during neuronal differentiation, highly enriched in synapses, and often differentially expressed compared to their mRNA isoforms. circRNA expression correlated negatively with expression of the RNA-editing enzyme ADAR1. Knockdown of ADAR1 induced elevated circRNA expression. Together, we provide a circRNA brain expression atlas and evidence for important circRNA functions and values as biomarkers.

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Crossref · 10.1016/j.molcel.2015.03.027

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Authors
Rybak-Wolf, A., Stottmeister, C., Glažar, P., Jens, M., Pino, N., Giusti, S., Hanan, M., Behm, M., Bartok, O., Ashwal-Fluss, R., Herzog, M., Schreyer, L., Papavasileiou, P., Ivanov, A., Öhman, M., Refojo, D., Kadener, S., & Rajewsky, N.
Affiliations
  • Max Delbrück Center (DE)
  • Max Planck Institute of Psychiatry (DE)
  • Hebrew University of Jerusalem (IL)
  • Stockholm University (SE)
Corresponding author
Rajewsky, Nikolaus
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2015-06
Volume
58
Issue
5
Pages
870-885
ISSN
1097-2765 (ISSN-L)
OpenAlex
W1991082489
Cited by
2,423
References
40
Citations by year
2026: 68 · 2025: 143 · 2024: 238 · 2023: 246 · 2022: 312 · 2021: 358 · 2020: 344 · 2019: 284 · 2018: 203 · 2017: 122 · 2016: 74 · 2015: 23 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
61.05
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Americanae (AECID Library) (publishedVersion, other-oa)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Circular RNAs in diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
Keywords
circular RNA, mammalian brain, neuronal differentiation, synapses, ADAR1, RNA editing, Drosophila brain, circRNA biomarkers
MeSH terms
RNA, Circular, Animals, Base Sequence, Brain, Cell Line, Drosophila melanogaster, Humans, Molecular Sequence Data, Organ Specificity, RNA, RNA, Messenger, Synapses, Sequence Analysis, DNA, Mice, Neurogenesis

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