ArticleFrontiers in cellular neuroscience2023
Homosynaptic plasticity induction causes heterosynaptic changes at the unstimulated neighbors in an induction pattern and location-specific manner.
Article in Frontiers in cellular neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Altered Structural Plasticity Mediated by mGlu and NMDA Receptors and Impaired Cognition in a Genetic ASD Model (Shank3The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Competitive processes shape multi-synapse plasticity along dendritic segments.Nature communications · 2024Article
- Altered projection-specific synaptic remodeling and its modification by oxytocin in an idiopathic autism marmoset model.Communications biology · 2024Article
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2 authors.
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Abstract
Dendritic spines are highly dynamic structures whose structural and functional fluctuations depend on multiple factors. Changes in synaptic strength are not limited to synapses directly involved in specific activity patterns. Unstimulated clusters of neighboring spines in and around the site of stimulation can also undergo alterations in strength. Usually, when plasticity is induced at single dendritic spines with glutamate uncaging, neighboring spines do not show any significant structural fluctuations. Here, using two-photon imaging and glutamate uncaging at single dendritic spines of hippocampal pyramidal neurons, we show that structural modifications at unstimulated neighboring spines occur and are a function of the temporal pattern of the plasticity-inducing stimulus. Further, the relative location of the unstimulated neighbors within the local dendritic segment correlates with the extent of heterosynaptic plasticity that is observed. These findings indicate that naturalistic patterns of activity at single spines can shape plasticity at nearby clusters of synapses, and may play a role in priming local inputs for further modifications.
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