Cited by 69Neuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental DisordersNeurogenesis and neuroplasticity mechanisms

The planar polarity protein Scribble1 is essential for neuronal plasticity and brain function

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Moreau, M. M., Piguel, N., Papouin, T., Koehl, M., Durand, C. M., Rubio, M. E., Loll, F., Richard, E. M. +6 more·2010·Journal of Neuroscience

Abstract

Scribble (Scrib) is a key regulator of apicobasal polarity, presynaptic architecture, and short-term synaptic plasticity in Drosophila. In mammals, its homolog Scrib1 has been implicated in cancer, neural tube closure, and planar cell polarity (PCP), but its specific role in the developing and adult nervous system is unclear. Here, we used the circletail mutant, a mouse model for PCP defects, to show that Scrib1 is located in spines where it influences actin cytoskeleton and spine morphing. In the hippocampus of these mutants, we observed an increased synapse pruning associated with an increased number of enlarged spines and postsynaptic density, and a decreased number of perforated synapses. This phenotype was associated with a mislocalization of the signaling pathway downstream of Scrib1, leading to an overall activation of Rac1 and defects in actin dynamic reorganization. Finally, Scrib1-deficient mice exhibit enhanced learning and memory abilities and impaired social behavior, two features relevant to autistic spectrum disorders. Our data identify Scrib1 as a crucial regulator of brain development and spine morphology, and suggest that Scrib1(crc/+) mice might be a model for studying synaptic dysfunction and human psychiatric disorders.

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Crossref · 10.1523/jneurosci.6007-09.2010

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  • Mice mutant for the truncated circletail allele have enhanced learning and memory.

    “Mice mutant for the truncated circletail allele have enhanced learning and memory (Moreau et al., 2010)”
  • Scribble loss alters synaptic maturation and pruning, with changes in learning, memory, and social behavior.

    “Scribble loss alters synaptic maturation and pruning, with changes in learning, memory, and social behavior (Moreau et al., 2010).”
  • Scribble and the cadherin-catenin complex work together to recruit β-PIX, stimulating local actin polymerization and synaptic vesicle recruitment.

    “Subsequent work reinforced connections between Scribble and the cadherin–catenin complex, suggesting that they work together to recruit the Rac/Cdc42 guanine nucleotide exchange factor β-PIX, stimulating local actin polymerization and synaptic vesicle recruitment (Fig. 3 A; Moreau et al., 2010; Sun and Bamji, 2011).”
  • Mouse Scribble is enriched at synapses of primary hippocampal neurons and in their spine precursors, where it colocalizes with the cadherin-catenin complex.

    “Mouse Scribble is also enriched at synapses of primary hippocampal neurons (Sun et al., 2009) and in their “spine” precursors (Moreau et al., 2010), where it colocalizes with the cadherin–catenin complex.”

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Authors
Moreau, M. M., Piguel, N., Papouin, T., Koehl, M., Durand, C. M., Rubio, M. E., Loll, F., Richard, E. M., Mazzocco, C., Racca, C., Oliet, S. H. R., Nora Abrous, D., Montcouquiol, M., & Sans, N.
Affiliations
  • Université de Bordeaux (FR)
  • University of Connecticut (US)
  • Newcastle University (GB)
Venue
Journal of Neuroscience
Published
2010-07-21
Volume
30
Issue
29
Pages
9738-9752
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1970675321
Cited by
69
References
64
Citations by year
2026: 1 · 2025: 4 · 2023: 1 · 2022: 6 · 2021: 6 · 2020: 6 · 2019: 2 · 2018: 5 · 2017: 10 · 2016: 4 · 2015: 4 · 2014: 4 · 2013: 5 · 2012: 5
FWCI
2.07
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Oskar-Bordeaux (Universite de Bordeaux) (submittedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
  • European Commission (2003227)
  • Agence Nationale de la Recherche (ANR-07-NEUR-0031, ANR-07-NEUR-031-01)
  • Institut National de la Santé et de la Recherche Médicale
  • Université de Bordeaux
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
planar cell polarity, dendritic spine morphology, synaptic pruning, hippocampus, actin cytoskeleton, Rac1, perforated synapses, postsynaptic density, learning and memory, social behavior, autism spectrum disorder, neuroplasticity, brain development
MeSH terms
Animals, Brain, Cells, Cultured, Chlorocebus aethiops, Female, Hippocampus, Learning, Male, Memory, Motor Activity, Mutation, Synaptic Transmission, Neuronal Plasticity, Social Behavior, Synapses, Patch-Clamp Techniques, COS Cells, Models, Animal, Intracellular Signaling Peptides and Proteins, Dendritic Spines, Mice

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