Tomihisa Niitsu

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 et al. · PLoS ONE · 2012 · 285 citations · Full text

Life Sciences, Neuroscience, Psychiatry +15

Relationship between perception and anxiety about COVID-19 infection and risk behaviors for spreading infection: A national survey in Japan

Akihiro Shiina, Tomihisa Niitsu, Osamu Kobori et al. · Brain Behavior & Immunity - Health · 2020 · 113 citations · Full text

Veterinary Medicine, Infectious Diseases, Social Psychology +14

A randomised, double-blind, placebo-controlled trial of tropisetron in patients with schizophrenia

Akihiro Shiina, Yukihiko Shirayama, Tomihisa Niitsu et al. · Annals of General Psychiatry · 2010 · 92 citations · Full text

Medicine, Pharmacology, Psychiatry +17

A positive correlation between serum levels of mature brain-derived neurotrophic factor and negative symptoms in schizophrenia

Tomihisa Niitsu, Tamaki Ishima, Taisuke Yoshida et al. · Psychiatry Research · 2013 · 66 citations

Medicine, Neuroscience, Psychiatry +10

Associations of serum brain-derived neurotrophic factor with cognitive impairments and negative symptoms in schizophrenia

Tomihisa Niitsu, Yukihiko Shirayama, Daisuke Matsuzawa et al. · Progress in Neuro-Psychopharmacology and Biological Psychiatry · 2011 · 63 citations

Medicine, Neuroscience, Psychiatry +16