Cited by 237Neuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental DisordersTreatment of Major Depression

Dendritic spine geometry: functional implication and regulation

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Hayashi, Yasunori, Majewska, Ania K.·2005·Neuron

Abstract

Dendritic spines are tiny protrusions on dendritic shafts where most excitatory synapses are located. Recent advances in imaging technologies have given us great insight into the function of spines as biochemical compartments. Here we review recent evidence suggesting that the geometry of dendritic spines controls postsynaptic calcium signaling and is bidirectionally regulated during synaptic plasticity.

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Crossref · 10.1016/j.neuron.2005.05.006

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  • Spine morphology is highly dynamic and inextricably linked to synaptic activity and strength.

    “Spine morphology is highly dynamic and inextricably linked to synaptic activity and strength (Yuste and Bonhoeffer, 2001, Matsuzaki et al., 2004, Hayashi and Majewska, 2005, Bertling et al., 2016, Bertling and Hotulainen, 2017, Efimova et al., 2017, Pfeiffer et al., 2018).”

    From Dendritic Spine Remodeling and Synaptic Tau Levels in PS19 Tauopathy Mice (2021) · cites this paper as Hayashi and Majewska, 2005

    The sections on rapid structural plasticity and functional significance describe continual changes in spine morphology, activity-dependent changes in geometry, and a positive correlation between spine expansion and enhanced synaptic transmission. But the paper also says direct evidence connecting structural and functional plasticity is limited and that whether structural plasticity is necessary for functional plasticity remains an open question. “Inextricably linked” overstates that evidence. (LLM, conf=0.83)

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Authors
Hayashi, Y., & Majewska, A. K.
Affiliations
Massachusetts Institute of Technology (US)
Corresponding author
  • Hayashi, Yasunori
  • Majewska, Ania K.
Venue
Neuron
Publisher
Elsevier BV
Published
2005-05
Volume
46
Issue
4
Pages
529-532
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2063683201
Cited by
237
References
7
Citations by year
2026: 7 · 2025: 13 · 2024: 16 · 2023: 9 · 2022: 17 · 2021: 9 · 2020: 12 · 2019: 8 · 2018: 8 · 2017: 4 · 2016: 5 · 2015: 9 · 2014: 12 · 2013: 9 · 2012: 10
FWCI
5.92
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
dendritic spines, spine geometry, synaptic plasticity, excitatory synapses
MeSH terms
Animals, Calcium, Models, Neurological, Neuronal Plasticity, Signal Transduction, Receptors, Glutamate, Dendritic Spines

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