Cited by 1,786Neuroscience and Neuropharmacology ResearchMicroRNA in disease regulationGenetics and Neurodevelopmental Disorders

A brain-specific microRNA regulates dendritic spine development

Schratt, Gerhard M., Tuebing, Fabian, Nigh, Elizabeth A., Kane, Christina G., Sabatini, Mary E., Kiebler, Michael, Greenberg, Michael E.·2006·Nature

Abstract

MicroRNAs are small, non-coding RNAs that control the translation of target messenger RNAs, thereby regulating critical aspects of plant and animal development. In the mammalian nervous system, the spatiotemporal control of mRNA translation has an important role in synaptic development and plasticity. Although a number of microRNAs have been isolated from the mammalian brain, neither the specific microRNAs that regulate synapse function nor their target mRNAs have been identified. Here we show that a brain-specific microRNA, miR-134, is localized to the synapto-dendritic compartment of rat hippocampal neurons and negatively regulates the size of dendritic spines--postsynaptic sites of excitatory synaptic transmission. This effect is mediated by miR-134 inhibition of the translation of an mRNA encoding a protein kinase, Limk1, that controls spine development. Exposure of neurons to extracellular stimuli such as brain-derived neurotrophic factor relieves miR-134 inhibition of Limk1 translation and in this way may contribute to synaptic development, maturation and/or plasticity.

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Crossref · 10.1038/nature04367

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  • miR-134 negatively regulates dendritic spine size in hippocampal neurons via repressing the translation of LIM kinase 1.

    “They demonstrate that miR-134 negatively regulates the spine size via repressing the translation of LIM kinase 1, which is known to regulate dendritic structures.”
  • BDNF is able to relieve the inhibition of LIM kinase 1 translation, contributing to synaptic development, maturation and/or plasticity.

    “BDNF is able to relieve the inhibition of LIM kinase 1 translation, and in this manner contribute to synaptic development, maturation and/or plasticity [56].”
  • Recent reports suggest that miRNAs can regulate dendritic spine size and neuronal morphogenesis, whereas massive parallel sequencing of small RNA libraries from human and chimpanzee brain has revealed highly complex miRNA repertoires in the primate brain.

    “Recent reports suggest that miRNAs can regulate dendritic spine size (Schratt et al. 2006) and neuronal morphogenesis (Vo et al. 2005), whereas massive parallel sequencing of small RNA libraries from human and chimpanzee brain has revealed highly complex miRNA repertoires in the primate brain (Berezikov et al. 2006).”

    From MicroRNA expression in the adult mouse central nervous system (2008) · cites this paper as Schratt et al. 2006

  • miR-134 is present in dendrites, where it represses local synthesis of the protein kinase Limk1 to regulate spine size.

    “This is supported by a study, which showed that miR-134, a brainspecific microRNA, is present in dendrites, where it represses the local synthesis of the protein kinase Limk1 to regulate spine size (Schratt et al. 2006).”

    From MicroRNA expression in the adult mouse central nervous system (2008) · cites this paper as Schratt et al. 2006

  • Stimulation of neurons relieves miR-134-mediated inhibition of Limk1 translation, which may contribute to synaptic plasticity.

    “Stimulation of neurons relieves miR-134-mediated inhibition of Limk1 translation, which, in turn, may contribute to synaptic plasticity (Schratt et al. 2006).”

    From MicroRNA expression in the adult mouse central nervous system (2008) · cites this paper as Schratt et al. 2006

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Authors
Schratt, G. M., Tuebing, F., Nigh, E. A., Kane, C. G., Sabatini, M. E., Kiebler, M., & Greenberg, M. E.
Affiliations
  • Harvard University (US)
  • Medical University of Vienna (AT)
Corresponding author
Greenberg, Michael E.
Venue
Nature
Published
2006-01-19
Volume
439
Issue
7074
Pages
283-289
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2138473891
Cited by
1,786
References
43
Citations by year
2026: 20 · 2025: 44 · 2024: 48 · 2023: 46 · 2022: 68 · 2021: 73 · 2020: 69 · 2019: 68 · 2018: 66 · 2017: 100 · 2016: 92 · 2015: 96 · 2014: 123 · 2013: 130 · 2012: 115
FWCI
49.63
Type
journal article
Language
en
Update notices
erratum (2006-06-15)
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
miR-134, microRNA, dendritic spine development, LIMK1, protein kinases, hippocampal neurons, synaptic development, synaptic plasticity, brain-derived neurotrophic factor, mRNA translation regulation, synaptic efficacy, learning and memory
MeSH terms
Animals, Base Sequence, Brain, Hippocampus, Organ Specificity, Protein Kinases, RNA, Messenger, Synapses, Protein Biosynthesis, Gene Expression Regulation, Developmental, Brain-Derived Neurotrophic Factor, MicroRNAs, Cell Shape, Dendritic Spines, Rats, Lim Kinases

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