ArticleDevelopmental neurobiology2017
Protracted and asynchronous accumulation of PSD95-family MAGUKs during maturation of nascent dendritic spines.
Article in Developmental neurobiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 27 citations in OpenAlex.
- FMRP Regulates NrCAM Expression via β-catenin and Modulates PSD95, Dendritic Spines and Autism-like Behaviors.Neuroscience bulletin · 2026Article
- GRASPing experience-dependent protein expression signatures enriched for hippocampal engram cell synapses.Science advances · 2026Article
- Driver or passenger? A new assessment of genes in the schizophrenia-associated 3q29 deletion locus for contribution to neurodevelopmental disorders.Journal of neurodevelopmental disorders · 2026Review
- A synapse-specific refractory period for plasticity at individual dendritic spines.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- A synapse-specific refractory period for plasticity at individual dendritic spines.bioRxiv : the preprint server for biology · 2024Article
- Activity-Dependent Stabilization of Nascent Dendritic Spines Requires Nonenzymatic CaMKIIα Function.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Effects of Tropomodulin 2 on Dendritic Spine Reorganization and Dynamics.Biomolecules · 2023Article
- Editorial: New insights into schizophrenia-related neural and behavioral phenotypes.Frontiers in cellular neuroscience · 2023Article
- Unraveling the mysteries of dendritic spine dynamics: Five key principles shaping memory and cognition.Proceedings of the Japan Academy. Series B, Physical and biological sciences · 2023Article
- Ion flux-independent NMDA receptor signaling.Neuropharmacology · 2022Review
- Effects of inhibiting astrocytes and BET/BRD4 chromatin reader on spatial memory and synaptic proteins in rats with Alzheimer's disease.Metabolic brain disease · 2022Article
- Schizophrenia-associated SAP97 mutations increase glutamatergic synapse strength in the dentate gyrus and impair contextual episodic memory in rats.Nature communications · 2022Article
- Dendritic spine loss deep in the neocortex and dendrite distortion with diffusion disturbances occur early in experimental pneumococcal meningitis.Frontiers in neuroscience · 2022Article
- Actin capping protein regulates postsynaptic spine development through CPI-motif interactions.Frontiers in molecular neuroscience · 2022Article
- Fragile X Mental Retardation Protein Mediates the Effects of Androgen on Hippocampal PSD95 Expression and Dendritic Spines Density/Morphology and Autism-Like Behaviors Through miR-125a.Frontiers in cellular neuroscience · 2022Article
- CPG15/Neuritin Mimics Experience in Selecting Excitatory Synapses for Stabilization by Facilitating PSD95 Recruitment.Cell reports · 2019Article
- Temporal Regulation of Dendritic Spines Through NrCAM-Semaphorin3F Receptor Signaling in Developing Cortical Pyramidal Neurons.Cerebral cortex (New York, N.Y. : 1991) · 2019Article
- ADAMTS18 Deficiency Affects Neuronal Morphogenesis and Reduces the Levels of Depression-like Behaviors in Mice.Neuroscience · 2019Article
- Spine Dynamics: Are They All the Same?Neuron · 2017Review
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5 authors at 1 institution in 1 country.
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Abstract
The formation and stabilization of new dendritic spines is a key component of the experience-dependent neural circuit plasticity that supports learning, but the molecular maturation of nascent spines remains largely unexplored. The PSD95-family of membrane-associated guanylate kinases (PSD-MAGUKs), most notably PSD95, has a demonstrated role in promoting spine stability. However, nascent spines contain low levels of PSD95, suggesting that other members of the PSD-MAGUK family might act to stabilize nascent spines in the early stages of spiny synapse formation. Here, we used GFP-fusion constructs to quantitatively define the molecular composition of new spines, focusing on the PSD-MAGUK family. We found that PSD95 levels in new spines were as low as those previously associated with rapid subsequent spine elimination, and new spines did not achieve mature levels of PSD95 until between 12 and 20 h following new spine identification. Surprisingly, we found that the PSD-MAGUKs PSD93, SAP97, and SAP102 were also substantially less enriched in new spines. However, they accumulated in new spines more quickly than PSD95: SAP102 enriched to mature levels within 3 h, SAP97 and PSD93 enriched gradually over the course of 6 h. Intriguingly, when we restricted our analysis to only those new spines that persisted, SAP97 was the only PSD-MAGUK already present at mature levels in persistent new spines when first identified. Our findings uncover a key structural difference between nascent and mature spines, and suggest a mechanism for the stabilization of nascent spines through the sequential arrival of PSD-MAGUKs. © 2017 Wiley Periodicals, Inc. Develop Neurobiol 77: 1161-1174, 2017.
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