Cited by 88Neuroinflammation and Neurodegeneration MechanismsStress Responses and CortisolTryptophan and brain disorders

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Inhibition of microglial cell activation by cortisol

Drew, Paul D, Chavis, Janet A·2000·Brain Research Bulletin

Abstract

Cortisol is a steroid hormone produced in response to stress. This glucocorticoid can be toxic to neurons, and thus may be important in neurodegenerative diseases including Alzheimer's disease. Activated microglia produce molecules including nitric oxide (NO) and tumor necrosis factor-alpha (TNF-alpha) which can also be toxic to neurons. The current study was designed to determine the effect of cortisol upon the activation of primary cultured microglia and transformed N9 microglial cells. The studies indicate that cortisol represses lipopolysaccharide (LPS) induction of nitric oxide production in these microglial cells. The hormone acts by inhibiting the production of inducible nitric oxide synthase (iNOS) which catalyses the synthesis of NO. Cortisol likely acts by blocking transcription of iNOS gene expression since the hormone represses LPS induction of iNOS RNA levels in these cells. Activated microglia produce increased TNF-alpha, in addition to increased NO. The current studies demonstrate that cortisol inhibits release of TNF-alpha from LPS-treated microglial cells. Collectively, these data suggest that although cortisol may be directly toxic to neurons, the hormone may indirectly protect neurons by blocking the production of cytotoxic molecules by microglia.

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Crossref · 10.1016/s0361-9230(00)00275-6

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36 of 36 references verified0 citation errors · 0 not checkable

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Metadata

Authors
Drew, P. D., & Chavis, J. A.
Affiliations
University of Arkansas for Medical Sciences (US)
Corresponding author
Drew, Paul D
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2000-07
Volume
52
Issue
5
Pages
391-396
ISSN
0361-9230 (ISSN-L)
OpenAlex
W2051243541
Cited by
88
References
36
Citations by year
2025: 2 · 2024: 2 · 2023: 6 · 2022: 3 · 2021: 2 · 2020: 3 · 2019: 6 · 2018: 2 · 2017: 3 · 2016: 3 · 2015: 9 · 2014: 3 · 2013: 3 · 2012: 3
FWCI
2.17
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
cortisol, glucocorticoids, microglial activation, nitric oxide, inducible nitric oxide synthase, TNF-α, lipopolysaccharide, neuroprotection, neurodegeneration, Alzheimer's disease, transcriptional repression
MeSH terms
Animals, Animals, Newborn, Cell Survival, Cells, Cultured, Dose-Response Relationship, Drug, Enzyme-Linked Immunosorbent Assay, Hydrocortisone, Lipopolysaccharides, Nitric Oxide, RNA, Messenger, Tumor Necrosis Factor-alpha, Gene Expression, Microglia, Nitric Oxide Synthase, Rats, Nitric Oxide Synthase Type II

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