Cited by 115Neuroinflammation and Neurodegeneration MechanismsNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Neuroinflammatory changes negatively impact on LTP: A focus on IL-1β

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Lynch, Marina A·2015·Brain Research

Abstract

In recent years it has become clear that neuroinflammatory changes develop in the brain with age and that similar, though more profound changes, occur in neurodegenerative conditions and in animal models of neurodegeneration. These changes are linked with deterioration in plasticity and the evidence suggests that a key causative factor is microglial activation and the associated increase in production and release of inflammatory cytokines. Several groups have reported that interleukin (IL)-1β negatively impacts on hippocampal-dependent learning and has an inhibitory effect on LTP although this is concentration-dependent. Similarly other inflammatory cytokines, which are also produced by microglia similarly decrease LTP. The evidence supporting these findings will be reviewed here and will be discussed in the context of considering mechanisms by which the negative impact of neuroinflammation can be ameliorated. This article is part of a Special Issue entitled SI: Brain and Memory.

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Crossref · 10.1016/j.brainres.2014.08.040

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  • Pro-inflammatory cytokines, especially IL-1β, can downregulate BDNF expression in cognition-related brain structures such as the hippocampus.

    “pro-inflammatory cytokines—especially IL-1β—can cause downregulation of BDNF expression in cognition-related brain structures, such as the hippocampus [157, 158].”

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Authors
Lynch, M. A.
Affiliations
Trinity College Dublin (IE)
Corresponding author
Lynch, Marina A
Venue
Brain Research
Publisher
Elsevier BV
Published
2015-09
Volume
1621
Pages
197-204
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2066870378
Cited by
115
References
105
Citations by year
2026: 10 · 2025: 6 · 2024: 13 · 2023: 10 · 2022: 11 · 2021: 13 · 2020: 9 · 2019: 7 · 2018: 11 · 2017: 12 · 2016: 6 · 2015: 5 · 2014: 2
FWCI
0.67
Type
journal article
Language
en
Open access
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Arrow@dit (Dublin Institute of Technology) (submittedVersion)
Funders
  • Science Foundation Ireland (11/PI/1014)
  • The Higher Education Authority (PRTLI)
  • The Health Research Board Ireland (PHD/2007/13)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
neuroinflammation, long-term potentiation, IL-1β, microglial activation, inflammatory cytokines, hippocampus-dependent learning, synaptic plasticity, neurodegeneration
MeSH terms
Animals, Encephalitis, Hippocampus, Humans, Microglia, Long-Term Potentiation, Interleukin-1beta

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