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  1. Article

    Open Access

    Generation of a novel transgenic rat model for tracing extracellular vesicles in body fluids

    Extracellular vesicles (EVs) play an important role in the transfer of biomolecules between cells. To elucidate the intercellular transfer fate of EVs in vivo, we generated a new transgenic (Tg) rat model using g...

    Aya Yoshimura, Masaki Kawamata, Yusuke Yoshioka, Takeshi Katsuda in Scientific Reports (2016)

  2. Article

    Open Access

    An in vitro reproduction of stress-induced memory defects: Effects of corticoids on dendritic spine dynamics

    Previously, in organotypic slice culture of rodent hippocampus we found that three repeated inductions of LTP, but not a single induction, led to a slow-develo** long-lasting enhancement of synaptic strength...

    Shinichi Saito, Satoshi Kimura, Naoki Adachi, Tadahiro Numakawa in Scientific Reports (2016)

  3. No Access

    Article

    Possible role of the dopamine D1 receptor in the sensorimotor gating deficits induced by high-fat diet

    High-fat diet (HFD) has been recently reported to induce sensorimotor gating deficits, but the underlying mechanisms are not well understood.

    Chisato Wakabayashi, Tadahiro Numakawa, Yoshiko Ooshima in Psychopharmacology (2015)

  4. Article

    Open Access

    Glucocorticoid affects dendritic transport of BDNF-containing vesicles

    Brain-derived neurotrophic factor (BDNF) is essential for neuronal survival, differentiation and functions in the central nervous system (CNS). Because BDNF protein is sorted into secretory vesicles at the tra...

    Naoki Adachi, Tadahiro Numakawa, Shingo Nakajima, Masashi Fukuoka in Scientific Reports (2015)

  5. No Access

    Article

    Impairments in Brain-Derived Neurotrophic Factor-Induced Glutamate Release in Cultured Cortical Neurons Derived from Rats with Intrauterine Growth Retardation: Possible Involvement of Suppression of TrkB/Phospholipase C-γ Activation

    Low birth weight due to intrauterine growth retardation (IUGR) is suggested to be a risk factor for various psychiatric disorders such as schizophrenia. It has been reported that developmental cortical dysfun...

    Tadahiro Numakawa, Tomoya Matsumoto, Yoshiko Ooshima in Neurochemical Research (2014)

  6. No Access

    Article

    Behavioral and molecular evidence for psychotropic effects in l-theanine

    l-Theanine (N-ethyl-l-glutamine) is an amino acid uniquely found in green tea and historically considered to be a relaxing agent. It is a glutamate derivative and has an affinity for glutamater...

    Chisato Wakabayashi, Tadahiro Numakawa, Midori Ninomiya in Psychopharmacology (2012)

  7. No Access

    Article

    Cabergoline, a dopamine receptor agonist, has an antidepressant-like property and enhances brain-derived neurotrophic factor signaling

    Dopamine agonists have been implicated in the treatment of depression. Cabergoline is an ergot derivative with a high affinity to dopamine D2-like receptors; however, there have been few preclinical studies on it...

    Shuichi Chiba, Tadahiro Numakawa, Midori Ninomiya, Hyung Shin Yoon in Psychopharmacology (2010)

  8. Article

    Genetic Variations of Human Neuropsin Gene and Psychiatric Disorders: Polymorphism Screening and Possible Association with Bipolar Disorder and Cognitive Functions

    Human neuropsin (NP) (hNP) has been implicated in the progressive change of cognitive abilities during primate evolution. The hNP gene maps to chromosome 19q13, a region reportedly linked to schizophrenia and ...

    Aiko Izumi, Yoshimi Iijima, Hiroko Noguchi, Tadahiro Numakawa in Neuropsychopharmacology (2008)