Cited by 639Neuroscience and Neuropharmacology ResearchNeuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatments

Astrocyte–neuron metabolic relationships: for better and for worse

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Allaman, Igor, Bélanger, Mireille, Magistretti, Pierre J·2011·Trends in Neurosciences

Abstract

In recent years, previously unsuspected roles of astrocytes have been revealed, largely owing to the development of new tools enabling their selective study in situ. These exciting findings add to the large body of evidence demonstrating that astrocytes play a central role in brain homeostasis, in particular via the numerous cooperative metabolic processes they establish with neurons, such as the supply of energy metabolites and neurotransmitter recycling functions. Furthermore, impairments in astrocytic function are increasingly being recognized as an important contributor to neuronal dysfunction and, in particular, neurodegenerative processes. In this review, we discuss recent evidence supporting important roles for astrocytes in neuropathological conditions such as neuroinflammation, amyotrophic lateral sclerosis and Alzheimer's disease. We also explore the potential for neuroprotective therapeutics based on the modulation of astrocytic functions.

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Crossref · 10.1016/j.tins.2010.12.001

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  • Activated microglia and reactive astrocytes produce nitric oxide and inflammatory cytokines such as IL-1, IL-6, TNF-α, and TGF-β, which contribute to a reinforced inflammatory cascade.

    “The activated microglia and reactive astrocytes produce nitric oxide (NO) and inflammatory cytokines, such as interleukin-1 (IL-1), IL-6, tumor necrosis factor α (TNF-α), and transforming growth factor β (TGF-β), that contribute to a reinforced inflammatory cascade [85, 97].”

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Authors
Allaman, I., Bélanger, M., & Magistretti, P. J.
Affiliations
  • École Polytechnique Fédérale de Lausanne (CH)
  • Centre Hospitalier Universitaire Vaudois (CH)
Corresponding author
Magistretti, Pierre J
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
2011-02
Volume
34
Issue
2
Pages
76-87
ISSN
0166-2236 (ISSN-L)
OpenAlex
W2041874445
Cited by
639
References
132
Citations by year
2026: 23 · 2025: 26 · 2024: 26 · 2023: 43 · 2022: 34 · 2021: 34 · 2020: 39 · 2019: 40 · 2018: 47 · 2017: 50 · 2016: 39 · 2015: 51 · 2014: 47 · 2013: 65 · 2012: 53
FWCI
24.30
Type
journal article
Language
en
Open access
Locations
  • Trends in Neurosciences (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
  • IRIS (submittedVersion)
  • SERVAL (Université de Lausanne) (submittedVersion)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
astrocytes, astrocyte-neuron metabolic coupling, brain homeostasis, neurotransmitter recycling, neurodegeneration, neuroinflammation, amyotrophic lateral sclerosis, Alzheimer's disease, astrocyte dysfunction
MeSH terms
Animals, Astrocytes, Encephalitis, Energy Metabolism, Homeostasis, Humans, Nerve Degeneration, Neurons, Neurodegenerative Diseases

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