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  1. Article

    Correction: Nuclear GAPDH in cortical microglia mediates cellular stress-induced cognitive inflexibility

    Adriana Ramos, Koko Ishizuka, Arisa Hayashida, Ho Namkung in Molecular Psychiatry (2024)

  2. No Access

    Article

    Prolonged HPA axis dysregulation in postpartum depression associated with adverse early life experiences: a cross-species translational study

    Childhood and adolescent stress increase the risk of postpartum depression (PPD), often providing an increased probability of treatment refractoriness. Nevertheless, the mechanisms linking childhood and adoles...

    Minae Niwa, Sedona Lockhart, Daniel J. Wood, Kun Yang in Nature Mental Health (2024)

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    Article

    Nuclear GAPDH in cortical microglia mediates cellular stress-induced cognitive inflexibility

    We report a mechanism that underlies stress-induced cognitive inflexibility at the molecular level. In a mouse model under subacute cellular stress in which deficits in rule shifting tasks were elicited, the n...

    Adriana Ramos, Koko Ishizuka, Arisa Hayashida, Ho Namkung in Molecular Psychiatry (2024)

  4. Article

    Open Access

    Adolescent stress impairs postpartum social behavior via anterior insula-prelimbic pathway in mice

    Adolescent stress can be a risk factor for abnormal social behavior in the postpartum period, which critically affects an individual social functioning. Nonetheless, the underlying mechanisms remain unclear. U...

    Kyohei Kin, Jose Francis-Oliveira, Shin-ichi Kano, Minae Niwa in Nature Communications (2023)

  5. Article

    Open Access

    Elevated body fat increases amphetamine accumulation in brain: evidence from genetic and diet-induced forms of adiposity

    Despite the high prevalence of obesity, little is known about its potential impact on the pharmacokinetics of psychotropic drugs. In the course of investigating the role of the microRNA system on neuronal sign...

    ** Fu, Aparna P. Shah, Jacqueline Keighron in Translational Psychiatry (2021)

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    Article

    From population to neuron: exploring common mediators for metabolic problems and mental illnesses

    Major mental illnesses such as schizophrenia (SZ) and bipolar disorder (BP) frequently accompany metabolic conditions, but their relationship is still unclear, in particular at the mechanistic level. We implem...

    Yoichiro Takayanagi, Koko Ishizuka, Thomas M. Laursen in Molecular Psychiatry (2021)

  7. Article

    Open Access

    Increased novelty-induced locomotion, sensitivity to amphetamine, and extracellular dopamine in striatum of Zdhhc15-deficient mice

    Novelty-seeking behaviors and impulsivity are personality traits associated with several psychiatric illnesses including attention deficits hyperactivity disorders. The underlying neural mechanisms remain poor...

    Rebeca Mejias, Juan J. Rodriguez-Gotor, Minae Niwa in Translational Psychiatry (2021)

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    Article

    Host–parasite interaction associated with major mental illness

    Clinical studies frequently report that patients with major mental illness such as schizophrenia and bipolar disorder have co-morbid physical conditions, suggesting that systemic alterations affecting both bra...

    Shin-ichi Kano, Colin A. Hodgkinson, Lorraine Jones-Brando in Molecular Psychiatry (2020)

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    Article

    Adolescent stress leads to glutamatergic disturbance through dopaminergic abnormalities in the prefrontal cortex of genetically vulnerable mice

    Stress during the adolescent period influences postnatal maturation and behavioral patterns in adulthood. Adolescent stress-induced molecular and functional changes in neurons are the key clinical features of ...

    Yurie Matsumoto, Minae Niwa, Akihiro Mouri, Yukihiro Noda in Psychopharmacology (2017)

  10. Article

    Open Access

    Interneuronal DISC1 regulates NRG1-ErbB4 signalling and excitatory–inhibitory synapse formation in the mature cortex

    Neuregulin-1 (NRG1) and its receptor ErbB4 influence several processes of neurodevelopment, but the mechanisms regulating this signalling in the mature brain are not well known. DISC1 is a multifunctional scaf...

    Saurav Seshadri, Travis Faust, Koko Ishizuka, Kristen Delevich in Nature Communications (2015)

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    Article

    Usp46, encoding a ubiquitin specific peptidase, is a quantitative trait gene underlying “behavioral despair” in mice

    CS mice exhibit several distinct phenotypes of circadian behavioral rhythms and sleep properties. Because many mental illnesses are associated with abnormalities in the circadian rhythms and sleep pattern, we ...

    Prof Shizufumi Ebihara, Shigeru Tomida, Takayoshi Mamiya in Sleep and Biological Rhythms (2010)

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    Article

    Usp46 is a quantitative trait gene regulating mouse immobile behavior in the tail suspension and forced swimming tests

    Shizufumi Ebihara and colleagues report the identification of Usp46 as a quantitative trait gene underlying mouse behavior in the tail suspension and forced swimming tests, which are widely used for assessing dep...

    Shigeru Tomida, Takayoshi Mamiya, Hirotake Sakamaki, Masami Miura in Nature Genetics (2009)