Cited by 200Memory and Neural MechanismsMicroRNA in disease regulationNeuroscience and Neuropharmacology Research

The brain-specific microRNA miR-128b regulates the formation of fear-extinction memory

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Lin, Quan, Wei, Wei, Coelho, Carlos M, Li, Xiang, Baker-Andresen, Danay, Dudley, Kevin, Ratnu, Vikram S, Boskovic, Zoran +3 more·2011·Nature Neuroscience

Abstract

MicroRNAs are small non-coding RNAs that mediate post-transcriptional gene silencing. Fear-extinction learning in C57/Bl6J mice led to increased expression of the brain-specific microRNA miR-128b, which disrupted stability of several plasticity-related target genes and regulated formation of fear-extinction memory. Increased miR-128b activity may therefore facilitate the transition from retrieval of the original fear memory toward the formation of a new fear-extinction memory.

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Crossref · 10.1038/nn.2891

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  • Specific for the PFC, the non-coding microRNAs mir-128b and mir-30a-5p have shown to be involved in prefrontal-dependent cognitive maturation by affecting epigenetic mechanisms.

    “Specific for the PFC, the non-coding microRNAs mir-128b and mir-30a-5p have shown to be involved in prefrontal-dependent cognitive maturation by affecting epigenetic mechanisms [251, 252].”

    From Development of prefrontal cortex (2022) · cites this paper as [251]

    The section on fear-extinction learning reports that miR-128b is highly expressed in the frontal cortex, and the Discussion says it is activated in the infralimbic PFC and involved in forming fear-extinction memory. The paper does not establish a role in prefrontal-dependent cognitive maturation; it studies fear extinction in mice and notes that miR-128b levels peak in adulthood. Its reported regulation of plasticity-related genes does not establish the claimed effect on epigenetic mechanisms. The paper also does not address miR-30a-5p, though the sentence has a second citation that may be offered for that microRNA. (LLM, conf=0.84)

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Authors
Lin, Q., Wei, W., Coelho, C. M., Li, X., Baker-Andresen, D., Dudley, K., Ratnu, V. S., Boskovic, Z., Kobor, M. S., Sun, Y. E., & Bredy, T. W.
Affiliations
  • University of California, Los Angeles (US)
  • The University of Queensland (AU)
  • University of British Columbia (CA)
Corresponding author
Bredy, Timothy W
Venue
Nature Neuroscience
Published
2011-08-14
Volume
14
Issue
9
Pages
1115-1117
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W1602077729
Cited by
200
References
15
Citations by year
2026: 7 · 2025: 7 · 2024: 6 · 2023: 7 · 2022: 14 · 2021: 13 · 2020: 10 · 2019: 16 · 2018: 19 · 2017: 21 · 2016: 18 · 2015: 15 · 2014: 21 · 2013: 13 · 2012: 12
FWCI
7.63
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • QUT ePrints (Queensland University of Technology) (submittedVersion)
  • Institute for Future Environments; Science & Engineering Faculty
Funders
  • Michael Smith Health Research BC
  • National Institutes of Health
  • Canadian Institutes of Health Research
  • Australian Research Council (DP1096148)
  • National Institute of Mental Health (R01MH084095)
  • National Institute on Drug Abuse (K99DA026503)
  • Eurostars
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
microRNA, fear extinction, fear memory, memory consolidation, post-transcriptional gene silencing, synaptic plasticity, memory retrieval
MeSH terms
Reelin Protein, Animals, Behavior, Animal, Brain, Cell Line, Transformed, Conditioning, Classical, Extinction, Psychological, Fear, Gene Expression Regulation, Humans, Male, Memory, Mice, Inbred C57BL, Nerve Tissue Proteins, Potassium Chloride, Serine Endopeptidases, Transduction, Genetic, Transfection, Trans-Activators, Cell Adhesion Molecules, Neuronal, Extracellular Matrix Proteins, Cyclic AMP Response Element-Binding Protein, RNA, Small Interfering, MicroRNAs, Mice, Protein Phosphatase 1

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