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  1. Article

    Open Access

    Metabolic profiles of saliva in male mouse models of chronic sleep disorders induced by psychophysiological stress

    Disordered sleep is a global social problem and an established significant risk factor for psychological and metabolic diseases. We profiled non-targeted metabolites in saliva from mouse models of chronic slee...

    Katsutaka Oishi, Yuhei Yajima, Yuta Yoshida, Hideo Hagihara in Scientific Reports (2023)

  2. Article

    Open Access

    Forebrain-specific conditional calcineurin deficiency induces dentate gyrus immaturity and hyper-dopaminergic signaling in mice

    Calcineurin (Cn), a phosphatase important for synaptic plasticity and neuronal development, has been implicated in the etiology and pathophysiology of neuropsychiatric disorders, including schizophrenia, intel...

    Hideo Hagihara, Hirotaka Shoji, Mahomi Kuroiwa, Isabella A. Graef in Molecular Brain (2022)

  3. Article

    Open Access

    Similarities of developmental gene expression changes in the brain between human and experimental animals: rhesus monkey, mouse, Zebrafish, and Drosophila

    Experimental animals, such as non-human primates (NHPs), mice, Zebrafish, and Drosophila, are frequently employed as models to gain insights into human physiology and pathology. In developmental neuroscience a...

    Ryuichi Nakajima, Hideo Hagihara, Tsuyoshi Miyakawa in Molecular Brain (2021)

  4. Article

    Open Access

    Peripheral blood metabolome predicts mood change-related activity in mouse model of bipolar disorder

    Bipolar disorder is a major mental illness characterized by severe swings in mood and activity levels which occur with variable amplitude and frequency. Attempts have been made to identify mood states and biol...

    Hideo Hagihara, Tomoyasu Horikawa, Yasuhiro Irino, Hironori K. Nakamura in Molecular Brain (2019)

  5. Article

    Open Access

    Expression of progenitor cell/immature neuron markers does not present definitive evidence for adult neurogenesis

    It is agreed upon that adult hippocampal neurogenesis (AHN) occurs in the dentate gyrus (DG) in rodents. However, the existence of AHN in humans, particularly in elderly individuals, remains to be determined. ...

    Hideo Hagihara, Tomoyuki Murano, Koji Ohira, Miki Miwa, Katsuki Nakamura in Molecular Brain (2019)

  6. Article

    Open Access

    Fluoxetine-induced dematuration of hippocampal neurons and adult cortical neurogenesis in the common marmoset

    The selective serotonin reuptake inhibitor fluoxetine (FLX) is widely used to treat depression and anxiety disorders. Chronic FLX treatment reportedly induces cellular responses in the brain, including increas...

    Koji Ohira, Hideo Hagihara, Miki Miwa, Katsuki Nakamura in Molecular Brain (2019)

  7. Article

    Open Access

    Author Correction: Transcriptomic immaturity inducible by neural hyperexcitation is shared by multiple neuropsychiatric disorders

    In the original published version of this article, Supplementary Data 1 reported gene expression fold changes incorrectly. The original supplementary file reported all fold changes as raw values, whereas the m...

    Tomoyuki Murano, Hideo Hagihara, Katsunori Ta**da in Communications Biology (2019)

  8. Article

    Open Access

    Transcriptomic immaturity inducible by neural hyperexcitation is shared by multiple neuropsychiatric disorders

    Biomarkers are needed to improve the diagnosis of neuropsychiatric disorders, which are often associated to excitatory/inhibitory imbalances in neural transmission and abnormal maturation. Here, we characteriz...

    Tomoyuki Murano, Hideo Hagihara, Katsunori Ta**da in Communications Biology (2019)

  9. Article

    Open Access

    Immature-like molecular expression patterns in the hippocampus of a mouse model of dementia with Lewy body-linked mutant β-synuclein

    Maturation abnormalities of the brain cells have been suggested in several neuropsychiatric disorders, including schizophrenia, bipolar disorder, autism spectrum disorders, and epilepsy. In this study, we exam...

    Hideo Hagihara, Masayo Fujita, Juzoh Umemori, Makoto Hashimoto in Molecular Brain (2018)

  10. Article

    Open Access

    Decreased Brain pH as a Shared Endophenotype of Psychiatric Disorders

    Although the brains of patients with schizophrenia and bipolar disorder exhibit decreased brain pH relative to those of healthy controls upon postmortem examination, it remains controversial whether this findi...

    Hideo Hagihara, Vibeke S Catts, Yuta Katayama, Hirotaka Shoji in Neuropsychopharmacology (2018)

  11. Article

    Open Access

    Immature morphological properties in subcellular-scale structures in the dentate gyrus of Schnurri-2 knockout mice: a model for schizophrenia and intellectual disability

    Accumulating evidence suggests that subcellular-scale structures such as dendritic spine and mitochondria may be involved in the pathogenesis/pathophysiology of schizophrenia and intellectual disability. Previ...

    Akito Nakao, Naoyuki Miyazaki, Koji Ohira, Hideo Hagihara in Molecular Brain (2017)

  12. Article

    Open Access

    Transcriptomic immaturity of the hippocampus and prefrontal cortex in patients with alcoholism

    Alcoholism, which is defined as the recurring harmful use of alcohol despite its negative consequences, has a lifetime prevalence of 17.8%. Previous studies have shown that chronic alcohol consumption disrupts...

    Tomoyuki Murano, Hisatsugu Koshimizu, Hideo Hagihara in Scientific Reports (2017)

  13. Article

    Open Access

    Transcriptomic evidence for immaturity of the prefrontal cortex in patients with schizophrenia

    Schizophrenia, a severe psychiatric disorder, has a lifetime prevalence of 1%. The exact mechanisms underlying this disorder remain unknown, though theories abound. Recent studies suggest that particular cell ...

    Hideo Hagihara, Koji Ohira, Keizo Takao, Tsuyoshi Miyakawa in Molecular Brain (2014)

  14. Article

    Open Access

    Deficiency of Schnurri-2, an MHC Enhancer Binding Protein, Induces Mild Chronic Inflammation in the Brain and Confers Molecular, Neuronal, and Behavioral Phenotypes Related to Schizophrenia

    Schnurri-2 (Shn-2), an nuclear factor-κB site-binding protein, tightly binds to the enhancers of major histocompatibility complex class I genes and inflammatory cytokines, which have been shown to harbor common v...

    Keizo Takao, Katsunori Kobayashi, Hideo Hagihara, Koji Ohira in Neuropsychopharmacology (2013)

  15. Article

    Open Access

    Expression of tryptophan 2,3-dioxygenase in mature granule cells of the adult mouse dentate gyrus

    New granule cells are continuously generated in the dentate gyrus of the adult hippocampus. During granule cell maturation, the mechanisms that differentiate new cells not only describe the degree of cell diff...

    Koji Ohira,, Hideo Hagihara,, Keiko Toyama,, Keizo Takao, Masaaki Kanai in Molecular Brain (2010)