Cited by 138NF-κB Signaling PathwaysGenetics, Aging, and Longevity in Model OrganismsNeuroinflammation and Neurodegeneration Mechanisms

Age-related changes in the regulation of transcription factor NF-κB in rat brain

Korhonen, P, Helenius, M, Salminen, A·1997·Neuroscience Letters

Abstract

Aging process involves an increase in stress at cellular level. We studied whether aging affects the regulation of stress responsive transcription factor NF-kappa B in brain samples of Wistar rats. Hippocampus, cerebellum, and temporal and frontal lobes of cortex were studied. We observed a significant up-regulation in the constitutive, nucleus-located NF-kappa B binding activity in 30-month-old Wistar rats compared to young and 18-month-old rats. The increase was most prominent in cerebellum and in frontal cortex, but age-related changes did not occur in hippocampus. Inducible, cytoplasmic NF-kappa B binding activity was not affected by aging in any of the samples studied. Western blot assays did not show any age-related changes in the nuclear level of p50, p52, and p65 protein components of NF-kappa B complex. Cytoplasmic level of inhibitory I kappa B-alpha was also unaffected. The increase in nuclear constitutive NF-kappa B binding activity during aging may be related to the NF-kappa B driven cellular response to adapt neurons against apoptotic pressure, as observed recently in several apoptotic conditions.

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Crossref · 10.1016/s0304-3940(97)00190-0

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  • This morphological profile of the aged microglia first reported in rats has also been confirmed in mice, gerbils, and dogs.

    “This morphological profile of the aged microglia first reported in rats has also been confirmed in mice, gerbils, and dogs (Hwang et al, 2008;Korhonen et al, 1997;Norden and Godbout, 2013;Streit and Xue, 2010).”

    From Microglia Priming with Aging and Stress (2017) · cites this paper as Korhonen et al, 1997

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Authors
Korhonen, P., Helenius, M., & Salminen, A.
Affiliations
  • University of Eastern Finland (FI)
  • University of Jyväskylä (FI)
Corresponding author
Salminen, A
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
1997-03
Volume
225
Issue
1
Pages
61-64
ISSN
0304-3940 (ISSN-L)
OpenAlex
W1979437866
Cited by
138
References
18
Citations by year
2026: 2 · 2024: 2 · 2023: 6 · 2021: 3 · 2020: 7 · 2019: 2 · 2018: 7 · 2017: 4 · 2016: 4 · 2015: 6 · 2014: 4 · 2013: 8 · 2012: 12
FWCI
0.56
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
NF-κB, brain aging, hippocampus, cerebellum, cerebral cortex, IκBα, neuronal apoptosis, stress response, Wistar rats
MeSH terms
Aging, Animals, Brain, Cell Nucleus, Cerebellum, Female, Frontal Lobe, Gene Expression Regulation, Hippocampus, Male, Nerve Tissue Proteins, Protein Binding, Temporal Lobe, Up-Regulation, NF-kappa B, Rats, Wistar, Rats

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