Cited by 89Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsNeurological Disease Mechanisms and Treatments

Genistein Antagonizes Inflammatory Damage Induced by β-amyloid Peptide in Microglia through TLR4 and NF-Κb

Zhou, Xin, Yuan, Linhong, Zhao, Xia, Hou, Chengcheng, Ma, Weiwei, Yu, Huanling, Xiao, Rong·2014·Nutrition

Abstract

Objectives Microglia activation and neuroinflammation have been associated with the pathogenesis of neurodegenerative disorders such as Alzheimer's disease (AD). Toll-like receptor 4 (TLR4) and nuclear factor (NF)-κB-mediated signal pathways exert key modulating roles in the inflammatory processes. The aim of the present study was to investigate whether genistein (Gen) has a neuroprotective effect against inflammatory damage induced by β-amyloid peptide25-35 (Aβ25-35) through the TLR4 and NF-κB-mediated signal pathways.Methods BV-2 microglia cells were preincubated with Gen for 2 h and then treated with 25 μM Aβ25-35 for another 24 h. The expression of inflammatory mediators, TLR4 and NF-κB and the activity of NF-κB were measured.Results The results showed that Gen could attenuate the cytotoxicity and inflammatory damage induced by Aβ25-35. Gen also significantly reversed Aβ25-35-induced up-regulation of TLR4 and NF-κB expression and the DNA binding and transcriptional activities of NF-κB.Conclusion These results indicated that Gen could alleviate the inflammation caused by Aβ25-35 treatment, which might be associated with the regulation of the TLR4/NF-κB signal pathway.

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Crossref · 10.1016/j.nut.2013.06.006

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Authors
Zhou, X., Yuan, L., Zhao, X., Hou, C., Ma, W., Yu, H., & Xiao, R.
Affiliations
  • Capital Medical University (CN)
  • Beijing Jishuitan Hospital (CN)
Corresponding author
Xiao, Rong
Venue
Nutrition
Publisher
Elsevier BV
Published
2014-01
Volume
30
Issue
1
Pages
90-95
ISSN
0899-9007 (ISSN-L)
OpenAlex
W2129602425
Cited by
89
References
41
Citations by year
2026: 4 · 2025: 7 · 2024: 8 · 2023: 11 · 2022: 11 · 2021: 10 · 2020: 5 · 2019: 7 · 2018: 8 · 2017: 7 · 2016: 4 · 2015: 6 · 2014: 1
FWCI
2.04
Type
journal article
Language
en
Open access
closed
Locations
  • Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Beijing Municipal Natural Science Foundation (7102015)
  • National Natural Science Foundation of China (30972470)
  • National High Technology Research and Development Program (863 Program) of China (2010AA023003)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
genistein, amyloid beta 25-35, microglia, neuroinflammation, Alzheimer's disease, TLR4, NF-κB signaling, neuroprotection, BV-2 cells, isoflavones
MeSH terms
Alzheimer Disease, Animals, Cell Line, Cell Survival, Inflammation, Peptide Fragments, Signal Transduction, Up-Regulation, Amyloid beta-Peptides, NF-kappa B, Microglia, Neuroprotective Agents, Genistein, Toll-Like Receptor 4, Mice

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