小澤 貴明

論文

• Hippocampal transcriptome profiling in a 22q11.2 deletion syndrome mouse model: comparison with human schizophrenia

  Hinano Yonemaru*, Takaaki Ozawa*✉, Takatoshi Hikida✉

  Molecular Brain 2026年4月5日 査読有り筆頭著者責任著者
• Negative feedback regulation of alcohol ingestion through the FGF21-PVH oxytocin-VTA dopamine system.

  Matsui S, Takahashi Y, Morioka S, Ozawa T, Kanayama S, Iwama H, Geng L, Umemoto K, Oguri Y, Tsuzuki S …

  Proceedings of the National Academy of Sciences of the United States of America 123(3) e2525172122 2026年1月14日 査読有り
• Prenatal Exposure to Bonito Broth Attenuates the Induction of Drd1 and Grin1 upon Corn Oil Ingestion in Offspring.

  Fushimi S, Ozawa T, Matsui S, Tsuzuki S, Hikida T, Sasaki T

  Journal of nutritional science and vitaminology 71(6) 552-563 2025年12月 査読有り
• Flexible value coding in the mesolimbic dopamine system depending on internal water and sodium balance

  Takaaki Ozawa*✉, Issei Nakagawa*, Yuuki Uchida*, Mayuka Abe, Tom Macpherson, Yuichi Yamashita✉, Takatoshi Hikida✉

  npj Science of Food 9(1) 1-13 2025年9月 査読有り筆頭著者責任著者
• Sex‐dependent differences in the ability of nicotine to modulate discrimination learning and cognitive flexibility in mice

  Yoshiatsu Aomine*, Yuto Shimo*, Koki Sakurai, Mayuka Abe, Tom Macpherson, Takaaki Ozawa✉, Takatoshi Hikida✉

  Journal of Neurochemistry 169((1) e16227) 1-17 2024年9月17日 査読有り招待有り責任著者
• Clozapine N-oxide, compound 21, and JHU37160 do not influence effortful reward-seeking behavior in mice

  Yoshiatsu Aomine*, Yoshinobu Oyama*, Koki Sakurai, Tom Macpherson, Takaaki Ozawa✉, Takatoshi Hikida✉

  Psychopharmacology 241(1) 89-96 2023年10月4日 査読有り責任著者
• Cellular senescence in white matter microglia is induced during ageing in mice and exacerbates the neuroinflammatory phenotype

  Tatsuyuki Matsudaira, Sosuke Nakano, Yusuke Konishi, Shimpei Kawamoto, Ken Uemura, Tamae Kondo, Koki Sakurai, Takaaki Ozawa, Takatoshi Hikida, Okiru Komine …

  Communications Biology 6(1) 1-13 2023年6月23日 査読有り
• Dual Roles for Nucleus Accumbens Core Dopamine D1-Expressing Neurons Projecting to the Substantia Nigra Pars Reticulata in Limbic and Motor Control in Male Mice.

  Suthinee Attachaipanich, Takaaki Ozawa, Tom Macpherson, Takatoshi Hikida

  eNeuro 10(6) 1-12 2023年6月 査読有り
• Caffeine facilitates extinction of auditory fear conditioning in rats

  Takaaki Ozawa✉*, Kodai Kaseda*, Yukio Ichitani, Kazuo Yamada

  Neuropsychopharmacology Reports 42(4) 521-525 2022年8月12日 査読有り筆頭著者責任著者
• Importin α3 (KPNA3) Deficiency Augments Effortful Reward-Seeking Behavior in Mice

  Yoshiatsu Aomine, Koki Sakurai, Tom Macpherson, Takaaki Ozawa, Yoichi Miyamoto, Yoshihiro Yoneda, Masahiro Oka, Takatoshi Hikida

  Frontiers in Neuroscience 16 2022年6月30日 査読有り
• Functional organization of the midbrain periaqueductal gray for regulating aversive memory formation

  Li-Feng Yeh*, Takaaki Ozawa*, Joshua P. Johansen

  Molecular Brain 14(1) 2021年12月 査読有り筆頭著者
• Effects of Importin α1/KPNA1 deletion and adolescent social isolation stress on psychiatric disorder-associated behaviors in mice

  Koki Sakurai, Taichi Itou, Makiko Morita, Emiko Kasahara, Tetsuji Moriyama, Tom Macpherson, Takaaki Ozawa, Yoichi Miyamoto, Yoshihiro Yoneda, Atsuo Sekiyama …

  PLOS ONE 16(11) e0258364-e0258364 2021年11月12日 査読有り
• Pharmacologically induced N‐methyl‐D‐aspartate receptor hypofunction impairs goal‐directed food seeking in rats

  Takaaki Ozawa*, Tatsumi Itokazu*, Yukio Ichitani, Kazuo Yamada

  Neuropsychopharmacology Reports 41(4) 526-531 2021年9月20日 査読有り筆頭著者
• Long-term associative memory in rats: Effects of familiarization period in object-place-context recognition test.

  Shota Shimoda, Takaaki Ozawa, Yukio Ichitani, Kazuo Yamada

  PloS one 16(7) e0254570 2021年 査読有り
• 光で神経活動を操作する――光遺伝学を用いた生理心理学的研究――

  小澤 貴明✉

  生理心理学と精神生理学 38(3) 48-58 2020年9月 査読有り筆頭著者最終著者責任著者
• d-Cycloserine reverses scopolamine-induced object and place memory deficits in a spontaneous recognition paradigm in rats.

  Takaaki Ozawa, Kazuo Yamada, Yukio Ichitani

  Pharmacology, biochemistry, and behavior 187 172798-172798 2019年12月 査読有り筆頭著者
• Neural circuits in goal-directed and habitual behavior: Implications for circuit dysfunction in obsessive-compulsive disorder.

  Linda D Simmler, Takaaki Ozawa✉

  Neurochemistry international 129 104464-104464 2019年10月 査読有り最終著者責任著者
• Learning rules for aversive associative memory formation.

  Ozawa T, Johansen JP

  Current opinion in neurobiology 49 148-157 2018年4月 査読有り筆頭著者
• Differential requirements of hippocampal de novo protein and mRNA synthesis in two long-term spatial memory tests: Spontaneous place recognition and delay-interposed radial maze performance in rats.

  Ozawa T, Yamada K, Ichitani Y

  PloS one 12(2) e0171629 2017年 査読有り筆頭著者
• A feedback neural circuit for calibrating aversive memory strength.

  Ozawa T, Ycu EA, Kumar A, Yeh LF, Ahmed T, Koivumaa J, Johansen JP

  Nature Neuroscience 20(1) 90-97 2017年1月 査読有り筆頭著者