Cited by 270Memory and Neural MechanismsStress Responses and CortisolNerve injury and regeneration

Corticosterone effects on BDNF expression in the hippocampus. Implications for memory formation

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Schaaf, M. J. M., De Kloet, E. R., Vreugdenhil, E.·2000·Stress

Abstract

The adrenal steroid corticosterone has profound effect on the structure and function of the hippocampus. Probably as a result of that, it modulates memory formation. In this review, the question is addressed if the corticosterone effects on memory processes are mediated by alterations in the expression of the neurotrophin Brain-Derived Neurotrophic Factor (BDNF) in the hippocampus. First, studies are described investigating the effect of corticosterone on BDNF expression in the rat hippocampus. It appears that corticosterone suppresses the BDNF expression at the mRNA and protein level in a subfield-specific way. Second, a model for the mechanism of action is proposed. In this model, activated mineralocorticoid and glucocorticoid receptors repress transcriptional activity of the BDNF promoter site-specifically via interaction with other transcription factors. Third, the implications for learning and memory are discussed. Studies show that during water maze training, corticosterone levels rise significantly, but the BDNF expression is not suppressed in any hippocampal subfield. Furthermore, high BDNF expression levels in specific subfields correlate with a good memory performance. Therefore, we suggest that the resistance of the hippocampal BDNF expression to suppression by corticosterone, as seen after water maze training, may contribute to an optimal memory performance.

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  1. Koolhaas J. M., 1995, Acta Physiol. Scand. Suppl., 640, 69
  2. Sapolsky R, 1992, Stress, the aging brain and the mechanism of neuron death
  3. Schaaf M. J.M., Stress
  4. Stauber C., 1992, New Biol., 4, 527

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Authors
Schaaf, M. J. M., De Kloet, E. R., & Vreugdenhil, E.
Affiliations
National Institutes of Health (US)
Corresponding author
Vreugdenhil, E.
Venue
Stress
Published
2000-01
Volume
3
Issue
3
Pages
201-208
ISSN
  • 1025-3890 (ISSN-L)
  • 1607-8888
OpenAlex
W2109158936
Cited by
270
References
59
Citations by year
2025: 6 · 2024: 9 · 2023: 10 · 2022: 7 · 2021: 11 · 2020: 6 · 2019: 11 · 2018: 15 · 2017: 11 · 2016: 14 · 2015: 15 · 2014: 16 · 2013: 11 · 2012: 11
FWCI
0.67
Type
journal article
Language
en
Open access
Locations
  • Stress (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
Keywords
corticosterone, brain-derived neurotrophic factor, hippocampus, memory formation, learning, mineralocorticoid receptor, glucocorticoid receptor, transcriptional repression, BDNF promoter, hippocampal subfields, stress hormones
MeSH terms
CRF Receptor, Type 1, Adrenalectomy, Animals, Corticosterone, Dose-Response Relationship, Drug, Hippocampus, Kainic Acid, Learning, Memory, Models, Biological, Neurons, Promoter Regions, Genetic, Receptors, Glucocorticoid, RNA, Messenger, Serotonin Antagonists, Stress, Physiological, Transcription, Genetic, Down-Regulation, Receptors, Corticotropin-Releasing Hormone, Receptors, Mineralocorticoid, Dentate Gyrus, Brain-Derived Neurotrophic Factor, Rats

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