Cited by 180Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionNeurogenesis and neuroplasticity mechanisms

Spontaneous Activity Drives Local Synaptic Plasticity In Vivo

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Winnubst, Johan, Cheyne, Juliette E., Niculescu, Dragos, Lohmann, Christian·2015·Neuron

Abstract

Spontaneous activity fine-tunes neuronal connections in the developing brain. To explore the underlying synaptic plasticity mechanisms, we monitored naturally occurring changes in spontaneous activity at individual synapses with whole-cell patch-clamp recordings and simultaneous calcium imaging in the mouse visual cortex in vivo. Analyzing activity changes across large populations of synapses revealed a simple and efficient local plasticity rule: synapses that exhibit low synchronicity with nearby neighbors (<12 μm) become depressed in their transmission frequency. Asynchronous electrical stimulation of individual synapses in hippocampal slices showed that this is due to a decrease in synaptic transmission efficiency. Accordingly, experimentally increasing local synchronicity, by stimulating synapses in response to spontaneous activity at neighboring synapses, stabilized synaptic transmission. Finally, blockade of the high-affinity proBDNF receptor p75(NTR) prevented the depression of asynchronously stimulated synapses. Thus, spontaneous activity drives local synaptic plasticity at individual synapses in an "out-of-sync, lose-your-link" fashion through proBDNF/p75(NTR) signaling to refine neuronal connectivity. VIDEO ABSTRACT.

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  • Pro-BDNF binding to p75NTR promotes long-term depression.

    “Pro-BDNF binding to p75NTR has also been shown to induce pruning of axons and dendrites85,88–91 and promote long-term depression (LTD)92–94.”

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  1. Markram, H., Gerstner, W., and Sjo ¨ stro ¨ m, P.J. (2011). A history of spiketiming-dependent plasticity. Front. Synaptic Neurosci. 3 , 4. http://refhub.elsevier.com/S0896-6273(1500572-3/sref26)

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Authors
Winnubst, J., Cheyne, J. E., Niculescu, D., & Lohmann, C.
Affiliations
Netherlands Institute for Neuroscience (NL)
Venue
Neuron
Publisher
Elsevier BV
Published
2015-07
Volume
87
Issue
2
Pages
399-410
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1553814286
Cited by
180
References
57
Citations by year
2026: 4 · 2025: 7 · 2024: 23 · 2023: 25 · 2022: 18 · 2021: 23 · 2020: 20 · 2019: 13 · 2018: 10 · 2017: 19 · 2016: 16 · 2015: 2
FWCI
7.27
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (publishedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (submittedVersion, other-oa)
  • ResearchSpace (University of Auckland) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
spontaneous activity, synaptic depression, visual cortex development, proBDNF, p75 neurotrophin receptor, calcium imaging, whole-cell patch-clamp recording
MeSH terms
Action Potentials, Animals, Animals, Newborn, Calcium, Computer Simulation, Electric Stimulation, Luminescent Proteins, Mice, Inbred C57BL, Mice, Transgenic, Models, Biological, Nerve Net, Neuronal Plasticity, Neurons, Organ Culture Techniques, Quinoxalines, Visual Cortex, Signal Transduction, Patch-Clamp Techniques, Excitatory Amino Acid Antagonists, Mice, In Vitro Techniques

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