Cited by 16Stress Responses and CortisolChild Abuse and TraumaNeuroendocrine regulation and behavior

Mifepristone treatment during early adolescence fails to restore maternal deprivation-induced deficits in behavioral inhibition of adult male rats.

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Kentrop, Jiska, van der Tas, Liza, Loi, Manila, van IJzendoorn, Marinus H., Bakermans-Kranenburg, Marian J., Joëls, Marian, van der Veen, Rixt·2016·Frontiers in Behavioral Neuroscience

Abstract

Early life adversity has a profound impact on brain development and later life health. Animal models have provided insight how early life stress programs stress responsiveness and might contribute to the development of psychiatric disorders. In the present study, the long-term effects of maternal deprivation (MD) on behavioral inhibition and attention were examined in adult male Wistar rats. To this end animals were tested in the 5-choice serial reaction time task (5-choice SRTT). We also explored the potential of a 3-day treatment with the glucocorticoid receptor (GR) antagonist mifepristone during early adolescence to normalize putative behavioral effects of early life stress. Deprivation of the mother for 24 h on postnatal day (PND) 3 led to a modest but significant increase in premature responses in the 5-choice SRTT, but did not affect measures of attention. Body weight was lower in deprived animals from weaning until the start of testing. Early adolescent mifepristone treatment (PND 26-28) did not influence performance on the 5-choice SRTT and did not mitigate the deprivation-related impairment in behavioral inhibition. Our results indicate that MD leads to impaired behavioral inhibition, and that mifepristone treatment during early adolescence does not normalize the behavioral changes caused by early life stress.

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  1. Nelson C. A. Fox N. A. Zeanah C. H. (2014). Romania’s Abandoned Children. Cambridge, MA: Harvard University Press.

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Authors
Kentrop, J., van der Tas, L., Loi, M., van IJzendoorn, M. H., Bakermans-Kranenburg, M. J., Joëls, M., & van der Veen, R.
Affiliations
University Medical Center Utrecht (NL)
Venue
Frontiers in Behavioral Neuroscience
Published
2016-06-15
Volume
10
Pages
122-122
ISSN
1662-5153 (ISSN-L)
OpenAlex
W2427968951
Cited by
16
References
52
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2022: 1 · 2021: 1 · 2020: 3 · 2019: 2 · 2018: 1 · 2017: 2
FWCI
1.06
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Behavioral Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Leiden Repository (Leiden University) (submittedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
Funders
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (024‐001‐003)
  • H2020 European Research Council (669249)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
maternal deprivation, early life stress, mifepristone, glucocorticoid receptor antagonist, behavioral inhibition, attention, 5-choice serial reaction time task, early adolescence, premature responding, body weight, adult male rats, mental illness

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