森﨑 祐太 (モリサキ ユウタ)

Morisaki, Yuta

写真a

所属(所属キャンパス)

薬学部 薬科学科 薬理学講座 (芝共立)

職名

助教

外部リンク

経歴 【 表示 / 非表示

  • 2016年04月
    -
    2019年11月

    科研製薬株式会社, 新薬創生センター, 研究員

  • 2019年12月
    -
    2021年07月

    ブリストル・マイヤーズ スクイブ株式会社, メディカル部門, メディカルサイエンスリエゾン

  • 2021年08月
    -
    継続中

    慶應義塾大学 薬学部 薬理学講座, 助教

学歴 【 表示 / 非表示

  • 2010年04月
    -
    2014年03月

    慶應義塾大学, 薬学部, 薬科学科

    大学, 卒業

  • 2014年04月
    -
    2016年03月

    慶應義塾大学, 薬学研究科, 薬科学専攻

    大学院, 修了, 修士

 

研究分野 【 表示 / 非表示

  • ライフサイエンス / 神経科学一般

  • ライフサイエンス / 免疫学

 

論文 【 表示 / 非表示

  • Type selective ablation of postnatal slow and fast fatigue-resistant motor neurons in mice induces late onset kinetic and postural tremor following fiber-type transition and myopathy

    Misawa H., Kamishima K., Koyama T., Ohgaki L., Morisaki Y., Yamanaka T., Itohara S., Sawano S., Mizunoya W., Ogihara N.

    Experimental Neurology (Experimental Neurology)  376 2024年04月

    研究論文(学術雑誌), 共著, 査読有り,  ISSN  00144886

     概要を見る

    Animals on Earth need to hold postures and execute a series of movements under gravity and atmospheric pressure. VAChT-Cre is a transgenic Cre driver mouse line that expresses Cre recombinase selectively in motor neurons of S-type (slow-twitch fatigue-resistant) and FR-type (fast-twitch fatigue-resistant). Sequential motor unit recruitment is a fundamental principle for fine and smooth locomotion; smaller-diameter motor neurons (S-type, FR-type) first contract low-intensity oxidative type I and type IIa muscle fibers, and thereafter larger-diameter motor neurons (FInt-type, FF-type) are recruited to contract high-intensity glycolytic type IIx and type IIb muscle fibers. To selectively eliminate S- and FR-type motor neurons, VAChT-Cre mice were crossbred with NSE-DTA mice in which the cytotoxic diphtheria toxin A fragment (DTA) was expressed in Cre-expressing neurons. The VAChT-Cre;NSE-DTA mice were born normally but progressively manifested various characteristics, including body weight loss, kyphosis, kinetic and postural tremor, and muscular atrophy. The progressive kinetic and postural tremor was remarkable from around 20 weeks of age and aggravated. Muscular atrophy was apparent in slow muscles, but not in fast muscles. The increase in motor unit number estimation was detected by electromyography, reflecting compensatory re-innervation by remaining FInt- and FF-type motor neurons to the orphaned slow muscle fibers. The muscle fibers gradually manifested fast/slow hybrid phenotypes, and the remaining FInt-and FF-type motor neurons gradually disappeared. These results suggest selective ablation of S- and FR-type motor neurons induces progressive muscle fiber-type transition, exhaustion of remaining FInt- and FF-type motor neurons, and late-onset kinetic and postural tremor in mice.

  • LAG-3 expression in microglia regulated by IFN-γ/STAT1 pathway and metalloproteases

    Morisaki Y., Ohshima M., Suzuki H., Misawa H.

    Frontiers in Cellular Neuroscience (Frontiers in Cellular Neuroscience)  17 2023年11月

    研究論文(学術雑誌), 共著, 筆頭著者, 責任著者, 査読有り,  ISSN  16625102

     概要を見る

    Microglia are resident innate immune cells in the central nervous system (CNS) and play important roles in the development of CNS homeostasis. Excessive activation and neurotoxicity of microglia are observed in several CNS disorders, but the mechanisms regulating their activation remain unclear. Immune checkpoint molecules are expressed on activated immune cells and regulate their activation in peripheral immunity. However, the expression mechanism of immune checkpoint molecules in activated microglia is still unknown. Here, we analyzed the expression of immune checkpoint molecules in activated microglia using the mouse microglial cell line BV2 and primary cultured microglia. The expression of lymphocyte activation gene-3 (LAG-3), a type of immune checkpoint molecule, was increased in microglia activated by IFN-γ. IFN-γ-induced LAG-3 expression in microglia was suppressed by transfection of siRNA targeting STAT1. LAG-3 has two forms, membrane and soluble, and both forms were upregulated in microglia activated by IFN-γ. The production of soluble LAG-3 was suppressed by treatment with inhibitors of metalloproteinases such as ADAM10 and ADAM17. IFN-γ administration into cisterna magna of mice increased LAG-3 expression in spinal microglia. Furthermore, LAG-3 knockdown in microglia promoted nitric oxide production by IFN-γ. Our results demonstrate that LAG-3 expression in microglia is induced by the IFN-γ-STAT1 pathway and soluble LAG-3 production is regulated via cleavage of membranous LAG-3 by metalloproteinases including ADAM10 and ADAM17.

  • Depletion of perivascular macrophages delays ALS disease progression by ameliorating blood-spinal cord barrier impairment in SOD1-G93A mice

    Kazuki Adachi, Kota Miyata, Yukino Chida, Mikako Hirose, Yuta Morisaki, Koji Yamanaka, Hidemi Misawa

    Frontiers in Cellular Neuroscience 2023年11月

    研究論文(学術雑誌), 共著, 査読有り

  • A copper-deficient form of mutant Cu/Zn-superoxide dismutase as an early pathological species in amyotrophic lateral sclerosis

    Tokuda Eiichi, Nomura Takao, Ohara Shinji, Watanabe Seiji, Yamanaka Koji, Morisaki Yuta, Misawa Hidemi, Furukawa Yoshiaki

    Biochimica et Biophysica Acta - Molecular Basis of Disease 2018年06月

    研究論文(学術雑誌), 共著, 査読有り

  • Immunochemical characterization on pathological oligomers of mutant Cu/Zn-superoxide dismutase in amyotrophic lateral sclerosis

    Tokuda Eiichi, Anzai Itsuki, Nomura Takao, Toichi Keisuke, Watanabe Masahiko, Ohara Shinji, Watanabe Seiji, Yamanaka Koji, Morisaki Yuta, Misawa Hidemi, Furukawa Yoshiaki

    Molecular Neurodegeneration 2017年01月

    研究論文(学術雑誌), 共著, 査読有り

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総説・解説等 【 表示 / 非表示

  • 運動ニューロンサブタイプとALSにおける選択的脆弱性の解析

    三澤日出巳、森﨑祐太

    日薬理誌 (日本薬理学会)   2018年08月

    記事・総説・解説・論説等(学術雑誌), 共著

研究発表 【 表示 / 非表示

  • PD-1 blockade accelerates disease progression in ALS model mice via activation of peripheral immunity

    森﨑祐太,大島基希,小峯起,山中宏二,三澤日出巳

    NEURO2024(第47回日本神経科学学会), 

    2024年07月

    ポスター発表

  • Immune checkpoint molecule LAG-3 regulates activation states in microglia

    大島基希,森﨑祐太,三澤日出巳

    NEURO2024(第47回日本神経科学学会), 

    2024年07月

    ポスター発表

  • Expression and function analysis of immune checkpoint molecule LAG-3 in microglia

    大島基希,森﨑祐太,三澤日出巳

    第97回日本薬理学会年会, 

    2023年12月

    口頭発表(一般)

  • PD-1 immune checkpoint blockade accelerates disease progression in a mouse model of amyotrophic lateral sclerosis

    森﨑祐太,青野らん,鈴木耀,大島基希,山中宏二,三澤日出巳

    NEURO2023(第46回日本神経科学学会), 

    2023年08月

    ポスター発表

  • Expression analysis of immune checkpoint molecules in microglia

    大島基希,森﨑祐太,山中宏二,三澤日出巳

    NEURO2023(第46回日本神経科学学会), 

    2023年08月

    口頭発表(一般)

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受賞 【 表示 / 非表示

  • 第131回日本薬理学会関東部会 若手優秀発表賞

    森﨑祐太、坪田充司、森脇康博、山中宏二、三澤日出巳, 2014年10月, 運動ニューロンのサブタイプ選択的脆弱性におけるオステオポンチンとマトリックスメタロプロテアーゼ-9の役割

    受賞区分: 国内学会・会議・シンポジウム等の賞

 

担当授業科目 【 表示 / 非表示

  • 卒業研究1(薬学科)

    2024年度

  • 英語演習(薬科学科)

    2024年度

  • 卒業研究(薬科学科)

    2024年度

  • 薬理学実習

    2024年度

  • 看護のための薬理学

    2024年度

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