Cited by 40Schizophrenia research and treatmentStress Responses and CortisolNeuroendocrine regulation and behavior

Maternal deprivation in the middle of a stress hyporesponsive period decreases hippocampal calcineurin expression and causes abnormal social and cognitive behaviours in adult male Wistar rats: relevance to negative symptoms of schizophrenia.

Takase, Kenkichi, Yamamoto, Yasuhiro, Yagami, Tatsurou·2012·Behavioural Brain Research

Abstract

Adverse experiences in early life profoundly influence the developing nervous, endocrine, and immune systems, and also affect human behaviour during adult life and are considered in the pathogenesis of psychiatric disorders. Numerous studies have provided evidence that maternal deprivation in the middle of a stress hyporesponsive period (SHRP) causes multiple behavioural and physiological abnormalities that mimic positive symptoms of schizophrenia in humans. To investigate the neurochemical characteristics of maternal deprivation in the middle of the SHRP in the context of a possible animal model of the symptoms of schizophrenia, we examined calcineurin expression in the hippocampus of maternally deprived rats. To investigate other behavioural characteristics, we behaviourally phenotyped the rats by applying a comprehensive behavioural test battery. The results indicate that maternal deprivation in the middle of the SHRP has no effects on general health, neurological reflexes, sensory function, or motor function, but does have sex-specific effects on a type of anxiety-related behaviour in the open field test and male-specific effects on hippocampal calcineurin expression, social behaviour, and objective memory function. An interpretation of our results and previous studies in the context of the neurodevelopmental hypothesis of schizophrenia suggests that maternal deprivation in the middle of the SHRP in rats models some positive and negative aspects of schizophrenia. The find…

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Crossref · 10.1016/j.bbr.2012.04.016

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Authors
Takase, K., Yamamoto, Y., & Yagami, T.
Affiliations
  • Toho University (JP)
  • Himeji Dokkyo University (JP)
Corresponding author
  • Takase, Kenkichi
  • Yagami, Tatsurou
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2012-06
Volume
232
Issue
1
Pages
306-315
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2116067623
Cited by
40
References
4
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 4 · 2021: 4 · 2020: 7 · 2019: 4 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 3 · 2013: 4 · 2012: 1
FWCI
2.73
Type
journal article
Language
en
Open access
closed
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Education, Culture, Sports, Science and Technology (23790279)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
maternal deprivation, stress hyporesponsive period, schizophrenia, negative symptoms, social behavior, anxiety-like behavior, memory function, sex differences, neurodevelopmental hypothesis, childhood adversity, animal models of schizophrenia
MeSH terms
Analysis of Variance, Animals, Cognition, Exploratory Behavior, Factor Analysis, Statistical, Female, Hippocampus, Male, Maternal Deprivation, Motor Activity, Schizophrenic Psychology, Sex Characteristics, Social Behavior, Stress, Psychological, Blotting, Western, Rats, Wistar, Calcineurin, Recognition, Psychology, Rats

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