Cited by 1,044Neurogenesis and neuroplasticity mechanismsMemory and Neural MechanismsStress Responses and Cortisol

Prenatal stress produces learning deficits associated with an inhibition of neurogenesis in the hippocampus

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Lemaire, V., Koehl, M., Le Moal, M., Abrous, D. N.·2000·Proceedings of the National Academy of Sciences

Abstract

Early experiences such as prenatal stress significantly influence the development of the brain and the organization of behavior. In particular, prenatal stress impairs memory processes but the mechanism for this effect is not known. Hippocampal granule neurons are generated throughout life and are involved in hippocampal-dependent learning. Here, we report that prenatal stress in rats induced lifespan reduction of neurogenesis in the dentate gyrus and produced impairment in hippocampal-related spatial tasks. Prenatal stress blocked the increase of learning-induced neurogenesis. These data strengthen pathophysiological hypotheses that propose an early neurodevelopmental origin for psychopathological vulnerabilities in aging.

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Crossref · 10.1073/pnas.97.20.11032

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  • Prenatally stressed animals repeatedly show impaired neurogenesis and related cognitive impairment.

    “Impaired neurogenesis and associated cognitive impairment have been repeatedly reported in prenatally stressed animals (Lemaire et al., 2000; Fujioka et al., 2006; Lemaire et al., 2006).”
  • Rodent evidence indicates prenatal stress alters rat hippocampal cytoarchitecture.

    “Several lines of evidence from studies in rodents indicate that the cytoarchitecture of the rat hippocampus is altered as a consequence of prenatal stress (Hayashi et al., 1998; Gould & Tanapat, 1999; Lemaire et al., 2000).”
  • Chronic early stress alters neural function and connectivity within and between limbic structures, especially amygdala and hippocampus, and prefrontal cortex areas.

    “Several studies (Braun, Lange, Metzger, & Poeggel, 1999; Kinnunen, Keonig, & Bilbe, 2003; Lemaire, Koehl, Le Moal, & Abrous, 2000; Liu, Diorio, Day, Frances, & Meaney, 2000) have demonstrated that chronic early stress alters neural functioning and connectivity within and between limbic structures, notably the amygdala and hippocampus, associated with emotion, rapid contextually and temporally boun”

    From Stress and the development of self-regulation in context (2010) · cites this paper as Lemaire, Koehl, Le Moal, & Abrous, 2000

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Authors
Lemaire, V., Koehl, M., Le Moal, M., & Abrous, D. N.
Affiliations
  • Université de Bordeaux (FR)
  • Laboratoire de Psychobiologie des Comportement Adaptatifs, Institut National de la Santé et de la Recherche Médicale Unit 259, Université de Bordeaux II, Domaine de Carreire, Rue Camille Saint Saëns, 33077 Bordeaux Cedex, France
Venue
Proceedings of the National Academy of Sciences
Published
2000-09-26
Volume
97
Issue
20
Pages
11032-11037
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2142525943
Cited by
1,044
References
48
Citations by year
2026: 18 · 2025: 15 · 2024: 18 · 2023: 23 · 2022: 23 · 2021: 31 · 2020: 25 · 2019: 31 · 2018: 35 · 2017: 46 · 2016: 56 · 2015: 63 · 2014: 55 · 2013: 59 · 2012: 48
FWCI
5.35
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
prenatal stress, hippocampal neurogenesis, dentate gyrus, learning deficits, spatial learning, hippocampal-dependent memory, brain development, aging, psychopathology
MeSH terms
Animals, Cell Differentiation, Female, Hippocampus, Learning Disabilities, Neurons, Pregnancy, Prenatal Exposure Delayed Effects, Stress, Psychological, Rats, Sprague-Dawley, Rats

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