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Masaomi Iyo

Masaomi Iyo

D-Index & Metrics

Medicine

D-Index
77
Citations
24686
World Ranking
18348
National Ranking
589

Overview

Masaomi Iyo is affiliated with Chiba University in Japan and focuses on a range of topics within medicine, psychology, and neuroscience. Their research primarily addresses psychiatry and mental health, clinical psychology, and neurology, with additional attention to cellular and molecular neuroscience and cognitive neuroscience.

The topics covered in their work include:

  • Schizophrenia research and treatment
  • Bipolar disorder and treatment
  • Neurological disorders and treatments
  • Obsessive-compulsive spectrum disorders
  • Treatment of major depression
  • COVID-19 and mental health
  • Tryptophan and brain disorders

Recent published papers that list Masaomi Iyo as an author include:

  • "Relationship between perception and anxiety about COVID-19 infection and risk behaviors for spreading infection: A national survey in Japan," 2020, Brain Behavior & Immunity - Health
  • "Autistic traits and cognitive profiles of treatment-resistant schizophrenia," 2020, Schizophrenia Research Cognition
  • "Perception of and anxiety about COVID-19 infection and risk behaviors for spreading infection: an international comparison," 2021, Annals of General Psychiatry
  • "Platelet-derived growth factor BB: A potential diagnostic blood biomarker for differentiating bipolar disorder from major depressive disorder," 2020, Journal of Psychiatric Research
  • "Efficacy and safety of lurasidone in acutely psychotic patients with schizophrenia: A 6-week, randomized, double-blind, placebo-controlled study," 2021, Psychiatry and Clinical Neurosciences

Frequent coauthors in Masaomi Iyo's collaborative research include:

  • Nobuhisa Kanahara
  • Tomihisa Niitsu
  • Yasunori Oda
  • Tasuku Hashimoto
  • Hiroshi Kimura

The scholar's work is regularly published in the following venues:

  • Asian Journal of Psychiatry
  • Psychiatry and Clinical Neurosciences Reports
  • Psychiatry Research
  • Pharmacology Biochemistry and Behavior
  • Journal of Psychopharmacology

Masaomi Iyo's research integrates clinical and biological perspectives, focusing on psychiatric disorders such as schizophrenia and bipolar disorder, as well as the psychological and neurological effects of infectious disease contexts like COVID-19. Their multidisciplinary approach spans clinical trials, diagnostic biomarker identification, and psychological risk behavior analysis.

Best Publications

  • Alterations of serum levels of brain-derived neurotrophic factor (BDNF) in depressed patients with or without antidepressants.

    Eiji Shimizu;Kenji Hashimoto;Naoe Okamura;Kaori Koike

  • Decreased prefrontal dopamine D1 receptors in schizophrenia revealed by PET

    Yoshiro Okubo;Yoshiro Okubo;Tetsuya Suhara;Kazutoshi Suzuki;Kaoru Kobayashi

  • Increased levels of glutamate in brains from patients with mood disorders.

    Kenji Hashimoto;Akira Sawa;Masaomi Iyo

  • Critical role of brain-derived neurotrophic factor in mood disorders

    Kenji Hashimoto;Eiji Shimizu;Masaomi Iyo

  • Decreased serum levels of D-serine in patients with schizophrenia: evidence in support of the N-methyl-D-aspartate receptor hypofunction hypothesis of schizophrenia.

    Kenji Hashimoto;Takeshi Fukushima;Eiji Shimizu;Naoya Komatsu

  • Immune activation during pregnancy in mice leads to dopaminergic hyperfunction and cognitive impairment in the offspring: a neurodevelopmental animal model of schizophrenia.

    Kimiyoshi Ozawa;Kenji Hashimoto;Takashi Kishimoto;Eiji Shimizu

  • Methamphetamine-related psychiatric symptoms and reduced brain dopamine transporters studied with PET.

    Yoshimoto Sekine;Masaomi Iyo;Yasuomi Ouchi;Tsutomu Matsunaga

  • Ethnic difference of the BDNF 196G/A (val66met) polymorphism frequencies: The possibility to explain ethnic mental traits

    Eiji Shimizu;Kenji Hashimoto;Masaomi Iyo

  • Measurement of acetylcholinesterase by positron emission tomography in the brains of healthy controls and patients with Alzheimer's disease

    Masaomi Iyo;Hiroki Namba;Kiyoshi Fukushi;Hitoshi Shinotoh;Hitoshi Shinotoh

  • Brain Serotonin Transporter Density and Aggression in Abstinent Methamphetamine Abusers

    Yoshimoto Sekine;Yasuomi Ouchi;Nori Takei;Etsuji Yoshikawa

  • Reduced D-serine to total serine ratio in the cerebrospinal fluid of drug naive schizophrenic patients.

    Kenji Hashimoto;Göran Engberg;Eiji Shimizu;Conny Nordin

  • Association of dopamine transporter loss in the orbitofrontal and dorsolateral prefrontal cortices with methamphetamine-related psychiatric symptoms.

    Yoshimoto Sekine;Yoshio Minabe;Yasuomi Ouchi;Nori Takei

  • Increased serum levels of glutamate in adult patients with autism

    Atsuko Shinohe;Kenji Hashimoto;Kazuhiko Nakamura;Masatsugu Tsujii

  • Decreased Serum Levels of Mature Brain-Derived Neurotrophic Factor (BDNF), but Not Its Precursor proBDNF, in Patients with Major Depressive Disorder

    Taisuke Yoshida;Masatomo Ishikawa;Tomihisa Niitsu;Michiko Nakazato

  • Negative Correlation between Brain Glutathione Level and Negative Symptoms in Schizophrenia: A 3T 1H-MRS Study

    Daisuke Matsuzawa;Takayuki Obata;Yukihiko Shirayama;Hiroi Nonaka

  • Antipsychotic-Induced Dopamine Supersensitivity Psychosis: Pharmacology, Criteria, and Therapy.

    Guy Chouinard;Anne-Noël Samaha;Virginie-Anne Chouinard;Charles-Siegfried Peretti

  • Alterations in binding site density of dopamine transporter in the striatum, orbitofrontal cortex, and amygdala in early Parkinson's disease: Compartment analysis for β‐CFT binding with positron emission tomography

    Yasuomi Ouchi;Etuji Yoshikawa;Hiroyuki Okada;Masami Futatsubashi

  • Positron emission tomographic measurement of acetylcholinesterase activity reveals differential loss of ascending cholinergic systems in Parkinson's disease and progressive supranuclear palsy

    Hitoshi Shinotoh;Hitoshi Shinotoh;Hiroki Namba;Mika Yamaguchi;Mika Yamaguchi;Kiyoshi Fukushi

  • Decreased levels of serum brain-derived neurotrophic factor in female patients with eating disorders

    Michiko Nakazato;Kenji Hashimoto;Eiji Shimizu;Chikara Kumakiri

  • Serum brain-derived neurotrophic factor (BDNF) levels in schizophrenia are indistinguishable from controls.

    Eiji Shimizu;Kenji Hashimoto;Hiroyuki Watanabe;Naoya Komatsu

Frequent Co-Authors

Kenji Hashimoto
Kenji Hashimoto Chiba University
Norio Ozaki
Norio Ozaki Nagoya University
Ichiro Sora
Ichiro Sora Kobe University
Nakao Iwata
Nakao Iwata Fujita Health University
Yukihiko Shirayama
Yukihiko Shirayama Teikyo University
Yoshio Minabe
Yoshio Minabe Kanazawa University
Hitoshi Shinotoh
Hitoshi Shinotoh National Institutes for Quantum and Radiological Science and Technology
Masashi Ikeda
Masashi Ikeda Nagoya University
Takeo Yoshikawa
Takeo Yoshikawa RIKEN Center for Brain Science
Ryota Hashimoto
Ryota Hashimoto National Center of Neurology and Psychiatry

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