Cited by 137Schizophrenia research and treatmentTryptophan and brain disordersNeurotransmitter Receptor Influence on Behavior

Combined effect of neonatal immune activation and mutant DISC1 on phenotypic changes in adulthood

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Ibi, Daisuke, Nagai, Taku, Koike, Hiroyuki, Kitahara, Yuko, Mizoguchi, Hiroyuki, Niwa, Minae, Jaaro-Peled, Hanna, Nitta, Atsumi +2 more·2010·Behavioural Brain Research

Abstract

Gene-environment interaction may play a role in the etiology of schizophrenia. Transgenic mice expressing dominant-negative DISC1 (DN-DISC1 mice) show some histological and behavioral endophenotypes relevant to schizophrenia. Viral infection during neurodevelopment provides a major environmental risk for schizophrenia. Neonatal injection of polyriboinosinic-polyribocytidylic acid (polyI:C), which mimics innate immune responses elicited by viral infection, leads to schizophrenia-like behavioral alteration in mice after puberty. To study how gene-environmental interaction during neurodevelopment results in phenotypic changes in adulthood, we treated DN-DISC1 mice or wild-type littermates with injection of polyI:C during the neonatal stage, according to the published method, respectively, and the behavioral and histological phenotypes were examined in adulthood. We demonstrated that neonatal polyI:C treatment in DN-DISC1 mice resulted in the deficits of short-term, object recognition, and hippocampus-dependent fear memories after puberty, although polyI:C treatment by itself had smaller influences on wild-type mice. Furthermore, polyI:C-treated DN-DISC1 mice exhibited signs of impairment of social recognition and interaction, and augmented susceptibility to MK-801-induced hyperactivity as compared with vehicle-treated wild-type mice. Of most importance, additive effects of polyI:C and DN-DISC1 were observed by a marked decrease in parvalbumin-positive interneurons in the medial prefrontal cortex. These results suggest that combined effect of neonatal polyI:C treatment and DN-DISC1 affects some behavioral and histological phenotypes in adulthood.

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  • Antioxidant therapy with NAC reduces the pathological and behavioural consequences of maternal LPS treatment and reduces foetal proinflammatory cytokine production.

    “Activated innate immune cells both produce and are activated by ROS: antioxidant therapy with NAC reduces the pathological and behavioural consequences of maternal LPS treatment and reduces foetal proinflammatory cytokine production 92,93 .”

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Authors
Ibi, D., Nagai, T., Koike, H., Kitahara, Y., Mizoguchi, H., Niwa, M., Jaaro-Peled, H., Nitta, A., Yoneda, Y., & Nabeshima, T.
Affiliations
  • Nagoya University Hospital (JP)
  • Nagoya University (JP)
  • Kanazawa University (JP)
  • Research Institute of Environmental Medicine, Nagoya University (JP)
  • Johns Hopkins University (US)
  • Meijo University (JP)
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2010-01-05
Volume
206
Issue
1
Pages
32-37
ISSN
0166-4328 (ISSN-L)
OpenAlex
W1988682809
Cited by
137
References
26
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 5 · 2018: 10 · 2017: 12 · 2016: 9 · 2015: 15 · 2014: 12 · 2013: 17 · 2012: 11
FWCI
7.42
Type
journal article
Language
en
Open access
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Mental Health (P20MH084018, R01MH069853)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
schizophrenia, gene-environment interaction, DISC1, poly(I:C), viral infection, brain development, object recognition, social recognition, fear memory, hippocampus, parvalbumin interneurons, medial prefrontal cortex, transgenic mice
MeSH terms
Analysis of Variance, Animals, Animals, Newborn, Behavior, Animal, Conditioning, Classical, Fear, Female, Hippocampus, Hyperkinesis, Immunohistochemistry, Interferon Inducers, Male, Memory, Short-Term, Mice, Transgenic, Nerve Tissue Proteins, Parvalbumins, Phenotype, Poly I-C, Social Behavior, Staining and Labeling, Reflex, Startle, Dizocilpine Maleate, Ki-67 Antigen, Recognition, Psychology, Freezing Reaction, Cataleptic, Cell Proliferation, Mice, Sensory Gating

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