Cited by 152Neuroinflammation and Neurodegeneration MechanismsGenetics, Aging, and Longevity in Model OrganismsNeuroscience and Neuropharmacology Research

The concentration of glial fibrillary acidic protein increases with age in the mouse and rat brain

O'Callaghan, James P., Miller, Diane B.·1991·Neurobiology of Aging

Abstract

The role of aging in the expression of the astrocyte protein, glial fibrillary acidic protein (GFAP), was examined. In both mice and rats the concentration of GFAP increased throughout the brain as a function of aging. The largest increase (2-fold) was observed in striatum for both species. The neuron-specific proteins, synapsin I and neurofilament-200 (Mr 200 kilodaltons), were not altered by aging in any region of the mouse or rat brain. Brains of aged rats, but not mice, showed a decrease in beta-tubulin. The data suggest that astrocytic hypertrophy observed with aging involves an accumulation of glial filaments.

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Crossref · 10.1016/0197-4580(91)90057-q

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  • Studies in rodents document region-dependent and often contradictory changes in aging astrocytes, such as an increase in cellular volume and overlap of astrocyte processes, but also atrophy, increase in GFAP content, or even a reduction in the number of GFAP+ and GS+ astrocytes.

    “Studies in rodents document region-dependent and often contradictory changes in aging astrocytes, such as an increase in cellular volume and overlap of astrocyte processes, but also atrophy, increase in GFAP content, or even a reduction in the number of GFAP+ and GS+ astrocytes87–89.”

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Authors
O'Callaghan, J. P., & Miller, D. B.
Affiliations
Environmental Protection Agency (US)
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
1991-03
Volume
12
Issue
2
Pages
171-174
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2027721538
Cited by
152
References
1
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 4 · 2019: 1 · 2018: 3 · 2017: 1 · 2016: 3 · 2015: 2 · 2014: 5 · 2013: 6 · 2012: 7
FWCI
5.74
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Centers for Disease Control and Prevention (RA-ND-89-4)
  • National Institute on Drug Abuse
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
glial fibrillary acidic protein, brain aging, astrocytes, astrocyte hypertrophy, striatum, synapsin I, neurofilament 200, beta-tubulin, glial filaments, mouse brain, rat brain
MeSH terms
Aging, Animals, Antibodies, Monoclonal, Brain Chemistry, Female, Glial Fibrillary Acidic Protein, Intermediate Filament Proteins, Male, Mice, Inbred C57BL, Nerve Tissue Proteins, Radioimmunoassay, Tubulin, Synapsins, Neurofilament Proteins, Mice, Rats

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