Cited by 85Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsRedox biology and oxidative stress

Amyloid β Protein Primes Cultured Rat Microglial Cells for an Enhanced Phorbol 12‐Myristate 13‐Acetate‐Induced Respiratory Burst Activity

Van Muiswinkel, F. L., Veerhuis, R., Eikelenboom, P.·1996·Journal of Neurochemistry

Abstract

Activated microglia, often associated with neuritic amyloid plaques in the Alzheimer's disease brain, are likely to contribute to the progression of the disease process, e.g., by releasing neurotoxic reactive oxygen and/or nitrogen intermediates. In the present study, whether the amyloid beta peptide (A beta), the principal constituent of amyloid plaques, can stimulate microglial respiratory burst activity and/or microglial production of nitric oxide was examined. Using neonatal rat microglial cultures as a model, it was found that neither the spontaneous release of nitric oxide nor the lipopolysaccharide-induced production of nitric oxide was altered in cultures previously incubated with synthetic A beta (1-40) for 24 h. In addition, no direct stimulatory effect of A beta (1-40) on the respiratory burst activity was observed. Nevertheless, concomitant with an increase in the number of responsive cells, a profound priming of the phorbol 12-myristate 13-acetate-evoked production of superoxide anion was observed in A beta (1-40)-treated cultures. Thus, both the maximal rate and the total phorbol 12-myristate 13-acetate-induced production of superoxide appeared to be statistically significantly higher as compared with untreated cultures. It is concluded that, as far as activation of the microglial respiratory burst is concerned, A beta(1-40) may merely act as a priming rather than a triggering stimulus.

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Crossref · 10.1046/j.1471-4159.1996.66062468.x

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Authors
Van Muiswinkel, F. L., Veerhuis, R., & Eikelenboom, P.
Affiliations
Vrije Universiteit Amsterdam (NL)
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
1996-06
Volume
66
Issue
6
Pages
2468-2476
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1977917625
Cited by
85
References
0
Citations by year
2025: 2 · 2024: 2 · 2020: 2 · 2019: 2 · 2016: 1 · 2014: 2 · 2012: 2
FWCI
4.78
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
amyloid-beta, microglia, respiratory burst, phorbol myristate acetate, superoxide, nitric oxide, microglial priming, Alzheimer's disease, reactive oxygen species, lipopolysaccharide, microglial activation
MeSH terms
Animals, Cells, Cultured, Dose-Response Relationship, Drug, Lipopolysaccharides, Nitric Oxide, Nitrites, Rats, Inbred Strains, Superoxides, Tetradecanoylphorbol Acetate, Amyloid beta-Peptides, Respiratory Burst, Microglia, Rats

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