Rchr
J-GLOBAL ID:200901099870916684   Update date: Mar. 28, 2026

Iga Junichi

イガ ジュンイチ | Iga Junichi
Affiliation and department:
Homepage URL  (1): https://www.m.ehime-u.ac.jp/school/neuropsychiatry/
Research field  (2): Neuroscience - general ,  Psychiatry
Research keywords  (11): treatment guideline ,  geriatric depression ,  DNA methylation ,  gene expression ,  psychopharmacology ,  bipolar disorder ,  schizophrenia ,  Alzheimer's disease ,  biomarker ,  dementia with Lewy bodies ,  major depressive disorder
Research theme for competitive and other funds  (10):
  • 2022 - 2025 Research on neuropsychiatric disorders in the elderly focusing on the cellular senescence
  • 2018 - 2021 Population based study of mental disorders by nitric oxide system variants.
  • 2018 - 2020 Blood biomarker for differentiating geriatric depression from Alzheimer's disease
  • 2017 - 2019 The role of the ABCA7 gene in Alzheimer's disease
  • 2015 - 2017 Early life adversity and 5HTT mRNA expression and DNA methylation in patients with major depressive disorder
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Papers (184):
  • Hirotaka Yamagata, Kenta Ide, Shinichiro Ochi, Jun-ichi Iga, Kentaro Fukumoto, Kayo Ichihashi, Eiichi Katsumoto, Masahiro Takeshima, Kota Imai, Yumi Shimamura, et al. Clinical behavior toward outpatients with major depressive disorder based on guideline education for psychiatrists. Psychiatry and Clinical Neurosciences Reports. 2025
  • Junichi Iga, Yuta Yoshino, Hiroshi Kumon, Yu Funahashi, Tomoki Ozaki, Taku Yoshida, Ayumi Tachibana, Yoshihiko Furuta, Yasuko Tatewaki, Yasuyuki Taki, et al. Effects of rs2234246 with microRNA-138-5p on TREM1 mRNA expression and right hippocampal atrophy in Alzheimer’s disease. 2025
  • Shun Igarashi, Takashi Tsuboi, Naomi Hasegawa, Shinichiro Ochi, Kazutaka Ohi, Kentaro Fukumoto, Jun-Ichi Iga, Hiroyuki Muraoka, Hitoshi Iida, Fumitoshi Kodaka, et al. Maintenance pharmacotherapy after electroconvulsive therapy in inpatients with major depressive disorder: 198 prescriptions in a real-world clinical setting. BMC psychiatry. 2025. 25. 1. 957-957
  • Hiroaki Mori, Shinichiro Ochi, Hidetoshi Hashida, Jun-ichi Iga, Shu-ichi Ueno. Efficacy of Guanfacine for Self-injurious and Aggressive Behaviors through the Reduction of Impulsivity in Borderline Personality Disorder: Two Case Reports and a Literature Review. Clinical Psychopharmacology and Neuroscience. 2025
  • Liying Chen, Yasuko Tatewaki, Benjamin Thyreau, Kazuhiro Uchida, Hikari Iki, Shigeyuki Nakaji, Tetsuya Maeda, Kenjiro Ono, Moeko Noguchi-Shinohara, Masaru Mimura, et al. From the plate to the brain: associations between dietary patterns and reduced dementia prevalence and white matter lesions in older Japanese adults. GeroScience. 2025
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MISC (178):
  • 越智紳一郎, 小高文聰, 長谷川尚美, 坪井貴嗣, 大井一高, 五十嵐俊, 福本健太郎, 伊賀淳一, 村岡寛之, 飯田仁志, et al. クロザピン処方体制と治療抵抗性統合失調症に関する診断の有無が抗精神病薬単剤療法率に及ぼす影響. 日本社会精神医学会プログラム・抄録集. 2025. 43rd
  • 中澤 太郎, 小原 知之, 秦 淳, 本田 貴紀, 柴田 舞欧, 三上 達也, 前田 哲也, 小野 賢二郎, 三村 將, 中島 健二, et al. 認知症の血漿バイオマーカーと部位別脳容積変化率との関連. 老年精神医学雑誌. 2024. 35. 増刊II. 206-206
  • 立花亜由美, 伊賀淳一, 尾崎智樹, 吉田卓, 吉野祐太, 清水秀明, 森崇明, 古田芳彦, 柴田舞欧, 小原知之, et al. 地域高齢者における血清高感度CRPと認知症との関連:JPSC-AD研究. Dementia Japan. 2024. 38. 4
  • 伊賀淳一, 吉野祐太, 尾崎智樹, 立花亜由美, 久門啓志, 舟橋裕, 森大晃, 岡野真梨子, 尾崎優樹, 山崎聖広, et al. 血中RNA転写物は,アルツハイマー病では炎症と脂質代謝に,軽度認知障害ではミトコンドリア機能に変化を示す. 日本生物学的精神医学会(Web). 2024. 46th
  • 越智紳一郎, 小高文聰, 長谷川尚美, 伊賀淳一, 柏木宏子, 小松浩, 田形弘実, 坪井貴嗣, 沼田周助, 飯田仁志, et al. Associations of clozapine available institution and the diagnosis of subgroups about treatment resistant schizophrenia with higher rate of antipsychotic monotherapy in overall schizophrenia treatment. 統合失調症研究(CD-ROM). 2024. 13. 1
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Professional career (1):
  • 医学博士 (徳島大学)
Association Membership(s) (1):
The Japanese Society of Psychiatry and Neurology
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