Cited by 149Neurogenesis and neuroplasticity mechanismsNeuroinflammation and Neurodegeneration MechanismsNeuroscience and Neuropharmacology Research

The DOI matches its Crossref record; 56 of the 58 references it cites were found in a registry or an index, and 2 are not checked yet.

CX3CR1 deficiency alters hippocampal-dependent plasticity phenomena blunting the effects of enriched environment

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Maggi, Laura·2011·Frontiers in Cellular Neuroscience

Abstract

In recent years several evidence demonstrated that some features of hippocampal biology, like neurogenesis, synaptic transmission, learning, and memory performances are deeply modulated by social, motor, and sensorial experiences. Fractalkine/CX(3)CL1 is a transmembrane chemokine abundantly expressed in the brain by neurons, where it modulates glutamatergic transmission and long-term plasticity processes regulating the intercellular communication between glia and neurons, being its specific receptor CX(3)CR1 expressed by microglia. In this paper we investigated the role of CX(3)CL1/CX(3)CR1 signaling on experience-dependent hippocampal plasticity processes. At this aim wt and CX(3)CR1(GFP/GFP) mice were exposed to long-lasting-enriched environment (EE) and the effects on hippocampal functions were studied by electrophysiological recordings of long-term potentiation of synaptic activity, behavioral tests of learning and memory in the Morris water maze paradigm and analysis of neurogenesis in the subgranular zone of the dentate gyrus (DG). We found that CX(3)CR1 deficiency increases hippocampal plasticity and spatial memory, blunting the potentiating effects of EE. In contrast, exposure to EE increased the number and migration of neural progenitors in the DG of both wt and CX(3)CR1(GFP/GFP) mice. These data indicate that CX(3)CL1/CX(3)CR1-mediated signaling is crucial for a normal experience-dependent modulation of hippocampal functions.

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Authors
Maggi, L.
Affiliations
Istituto Pasteur (IT)
Corresponding author
Maggi, Laura
Venue
Frontiers in Cellular Neuroscience
Published
2011
Volume
5
Pages
22-22
ISSN
1662-5102 (ISSN-L)
OpenAlex
W2005933589
Cited by
149
References
56
Citations by year
2025: 5 · 2024: 10 · 2023: 6 · 2022: 14 · 2021: 17 · 2020: 7 · 2019: 14 · 2018: 7 · 2017: 15 · 2016: 13 · 2015: 8 · 2014: 16 · 2013: 7 · 2012: 10
FWCI
3.47
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Cellular Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
Funders
  • Ministero della Salute
  • Fondazione Pierfranco e Luisa Mariani
  • Istituto Pasteur-Fondazione Cenci Bolognetti
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
CX3CR1, fractalkine, microglia, environmental enrichment, hippocampal plasticity, long-term potentiation, spatial memory, dentate gyrus neurogenesis, experience-dependent plasticity, learning and memory

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