Cited by 162Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchStress Responses and Cortisol

Timing is essential for rapid effects of corticosterone on synaptic potentiation in the mouse hippocampus

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Wiegert, Olof, Joëls, Marian, Krugers, Harm·2006·Learning & Memory

Abstract

Stress facilitates memory formation, but only when the stressor is closely linked to the learning context. These effects are, at least in part, mediated by corticosteroid hormones. Here we demonstrate that corticosterone rapidly facilitates synaptic potentiation in the mouse hippocampal CA1 area when high levels of the hormone and high-frequency stimulation coincide in time, but not when corticosterone is given either before or after repetitive stimulation. This effect could not be blocked by antagonists of the mineralocorticoid receptor and glucocorticoid receptor (spironolactone and RU 38486, respectively). These data provide a biological substrate for the important behavioral observation that stress and corticosteroid hormones can facilitate learning and memory processes.

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Crossref · 10.1101/lm.87706

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Authors
Wiegert, O., Joëls, M., & Krugers, H.
Affiliations
University of Amsterdam (NL)
Venue
Learning & Memory
Published
2006-03
Volume
13
Issue
2
Pages
110-113
ISSN
  • 1072-0502 (ISSN-L)
  • 1549-5485
OpenAlex
W1991628876
Cited by
162
References
6
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 3 · 2021: 7 · 2020: 2 · 2019: 5 · 2018: 6 · 2017: 6 · 2016: 7 · 2015: 4 · 2014: 13 · 2013: 12 · 2012: 11
Type
posted content
Language
en
Open access
Locations
  • Learning & Memory (publishedVersion)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
corticosterone, synaptic potentiation, hippocampal CA1, timing of hormone administration, stress and memory, memory consolidation, high-frequency stimulation, mineralocorticoid receptor, glucocorticoid receptor, spironolactone, mifepristone
MeSH terms
Analysis of Variance, Animals, Corticosterone, Electric Stimulation, Hippocampus, Male, Mice, Inbred C57BL, Synaptic Transmission, Neurons, Stress, Physiological, Time Factors, Long-Term Potentiation, Mice, In Vitro Techniques

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