Cited by 124Memory and Neural MechanismsStress Responses and CortisolNeuroscience and Neuropharmacology Research

Acute stress-induced impairment of spatial memory is associated with decreased expression of neural cell adhesion molecule in the hippocampus and prefrontal cortex

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Sandi, Carmen, Woodson, James C., Haynes, Vernon F., Park, Collin R., Touyarot, Katia, Lopez-Fernandez, Miguel A., Venero, César, Diamond, David M.·2005·Biological Psychiatry

Abstract

Background There is an extensive literature describing how stress disturbs cognitive processing and can exacerbate psychiatric disorders. There is, however, an insufficient understanding of the molecular mechanisms involved in stress effects on brain and behavior. Methods Rats were given spatial memory training in a hippocampus-dependent water maze task. We investigated how a fear-provoking experience (predator exposure) would affect their spatial memory and neural cell adhesion molecule (NCAM) levels in the hippocampus, prefrontal cortex (PFC), amygdala, and cerebellum. Results Whereas the control (nonstress) group exhibited excellent memory for the hidden platform location in the water maze, the cat-exposed (stress) group exhibited a profound impairment of memory and a marked suppression of levels of the NCAM-180 isoform in the hippocampus. Predator stress produced a more global reduction of NCAM levels in the PFC but had no effect on NCAM levels in the amygdala and cerebellum. Conclusions This work provides a novel perspective into dynamic and structure-specific changes in the molecular events involved in learning, memory, and stress. The selective suppression of NCAM-180 in the hippocampus and the more general suppression of NCAM in the PFC provide insight into the mechanisms underlying the great sensitivity of these two structures to be disturbed by stress.

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Crossref · 10.1016/j.biopsych.2004.12.034

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Authors
Sandi, C., Woodson, J. C., Haynes, V. F., Park, C. R., Touyarot, K., Lopez-Fernandez, M. A., Venero, C., & Diamond, D. M.
Affiliations
  • École Polytechnique Fédérale de Lausanne (CH)
  • University of Tampa (US)
  • Youngstown State University (US)
  • United States Department of Veterans Affairs (US)
  • Universidad Nacional de Educación a Distancia (ES)
Corresponding author
Sandi, Carmen
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2005-04
Volume
57
Issue
8
Pages
856-864
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2035626388
Cited by
122
References
101
Citations by year
2026: 2 · 2025: 6 · 2024: 2 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 6 · 2016: 5 · 2015: 4 · 2014: 13 · 2013: 4 · 2012: 7
FWCI
4.67
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Commons - University of South Florida (University of South Florida) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
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 › Neuroscience and Neuropharmacology Research
Keywords
acute stress, spatial memory, CD56, hippocampus, prefrontal cortex, predator stress, water maze, amygdala, cerebellum, stress-induced memory impairment, learning and memory
MeSH terms
Animals, Brain Chemistry, Cats, Corticosterone, Fear, Hippocampus, Male, Space Perception, Stress, Psychological, Blotting, Western, Rats, Sprague-Dawley, Prefrontal Cortex, Maze Learning, Neural Cell Adhesion Molecules, Rats

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