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Novel therapeutic strategy of homeostasis, host defense and tissue regeneration in lung

Research Project

Project/Area Number 23K24337
Project/Area Number (Other) 22H03076 (2022-2023)
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund (2024)
Single-year Grants (2022-2023)
Section一般
Review Section Basic Section 53030:Respiratory medicine-related
Research InstitutionChiba University

Principal Investigator

鈴木 拓児  千葉大学, 大学院医学研究院, 教授 (80344670)

Co-Investigator(Kenkyū-buntansha) 川崎 剛  千葉大学, 大学院医学研究院, 助教 (20586383)
伊狩 潤  千葉大学, 医学部附属病院, 講師 (50734604)
久田 修  自治医科大学, 医学部, 准教授 (60466571)
Project Period (FY) 2022-04-01 – 2026-03-31
Project Status Granted (Fiscal Year 2024)
Budget Amount *help
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2025: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2024: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2023: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2022: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Keywordsマクロファージ / 肺胞蛋白症 / 呼吸器感染症 / 肺傷害 / 肺障害
Outline of Research at the Start

肺マクロファージ移植治療法は、肺へ直接細胞を投与する方法であり、遺伝性肺胞蛋白症に対する低侵襲で有効で安全な新規細胞治療法として開発研究してきている。しかし、そのメカニズムや他の難治性呼吸器疾患への応用は重要な課題である。マクロファージには組織恒常性維持機構に加え、生体防御や組織修復の機能がある。そこで本研究では「肺マクロファージ移植治療法」について、肺の生体防御への効果(難治性感染症の治療法の可能性)、肺の組織修復への貢献(肺傷害や線維症の治療法の探求)、恒常性バランスの維持機構における分子メカニズムの解明と、新たな次世代肺マクロファージ移植に向けて塩基編集技術の応用について研究する。

Outline of Annual Research Achievements

肺マクロファージ移植治療法は、肺へ直接細胞を投与する方法であり、遺伝性肺胞蛋白症に対する低侵襲で有効で安全な新規細胞治療法である。マクロファージの機能は多彩であり、臓器恒常性バランスの維持、生体防御機能に加え、組織修復の機能が知られている。肺胞蛋白症モデルマウスに対するノカルジア感染の実験系において、肺マクロファージ移植をおこなった群で感染後の肺内細菌量が少ない結果を得ており、生体防御の役割を確認している。また、同治療法による肺の組織修復について肺傷害モデルおよび肺線維症モデルにおいて検討評価し、その病態メカニズムを解析する。ブレオマイシン肺線維症モデルにおける肺マクロファージ移植の実験系においては肺局所における移植マクロファージの増殖がみられ、線維化微小環境におけるマクロファージの線維化の役割が確認された。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

ノカルジア感染の実験系において、肺マクロファージ移植をおこなった群で感染後の肺内細菌量が少ない結果を得ており、健常マクロファージの生体防御の役割を確認しているが、そのメカニズム解析には至っていない。ブレオマイシン肺線維症モデルにおける肺マクロファージ移植の実験系においては、予備実験では線維化に対する抗線維化の治療効果が期待されていた。しかし今回の検討では肺局所における移植マクロファージの増殖がみられ、肺マクロファージ移植群においてむしろ線維化の進行がみられ、線維化微小環境におけるマクロファージの線維化の役割が確認された。追跡可能なGFP陽性マクロファージを用いた実験を行い、遺伝子発現解析など病態解明の研究を進めている。

Strategy for Future Research Activity

肺マクロファージ移植治療による生体防御機能についてはマウスへのノカルジア感染モデルを用いて研究を進める。ノカルジア(Nocardia asteroides)を経鼻投与で肺に感染させ、生存曲線および感染5日後の肺における菌の増殖(コロニー形成量の判定)、体重変化、肺病理組織、肺および気管支肺胞洗浄(BAL)細胞の網羅的遺伝子発現解析ならびに肺および血清中のサイトカイン産生について引き続き比較解析を行う。
肺の組織修復についてブレオマイシン投与による肺線維症モデルについて研究を引き続き進める。生存曲線、体重変化、肺病理組織、肺ハイドロキシプロリン定量、BAL細胞分画およびBAL液の蛋白やサイトカイン、BAL細胞のRNA-seqについて比較解析を行う。また、GFPマウス由来マクロファージの肺移植を行うことにより肺内での局在や挙動について調べるとともに、シングルセル解析を用いて詳細な病態解明を検討する。

Report

(2 results)
  • 2023 Annual Research Report
  • 2022 Annual Research Report
  • Research Products

    (28 results)

All 2024 2023 2022 Other

All Int'l Joint Research (2 results) Journal Article (17 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 17 results,  Open Access: 16 results) Presentation (9 results) (of which Int'l Joint Research: 8 results,  Invited: 2 results)

  • [Int'l Joint Research] Cincinnati Children's Hosp Med Cent(米国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] Cincinnati Children's Hosp Med Cent(米国)

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Long-term nintedanib treatment for progressive pulmonary fibrosis associated with Hermansky-Pudlak syndrome type 1 followed by lung transplantation2024

    • Author(s)
      Itoh Taku、Kawasaki Takeshi、Kaiho Taisuke、Shikano Kohei、Naito Akira、Abe Mitsuhiro、Suzuki Hidemi、Ota Masayuki、Yoshino Ichiro、Suzuki Takuji
    • Journal Title

      Respiratory Investigation

      Volume: 62 Issue: 1 Pages: 176-178

    • DOI

      10.1016/j.resinv.2023.12.007

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Reduction of mycophenolate mofetil dosage to limit prolonged viral shedding in solid organ transplant recipients with COVID-19: Two case reports2024

    • Author(s)
      Murai Yushi、Sakao Seiichiro、Kure Fujihiro、Kawasaki Takeshi、Maruyama Michihiro、Suzuki Hidemi、Yoshino Ichiro、Suzuki Takuji
    • Journal Title

      Respiratory Investigation

      Volume: 62 Issue: 1 Pages: 98-101

    • DOI

      10.1016/j.resinv.2023.10.006

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Role of Fibrin Monomer Complex in Coronavirus Disease 2019 for Venous Thromboembolism and the Prognosis2023

    • Author(s)
      Kawame Chiaki、Kasai Hajime、Shiohira Shunya、Sugiura Toshihiko、Shiko Yuki、Sakao Seiichiro、Suzuki Takuji
    • Journal Title

      Internal Medicine

      Volume: 62 Issue: 20 Pages: 2941-2948

    • DOI

      10.2169/internalmedicine.1322-22

    • ISSN
      0918-2918, 1349-7235
    • Year and Date
      2023-10-15
    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A Comparison of Clinical Presentations in Coronavirus Disease 2019 Caused by Different Omicron Variants in Japan: A Retrospective Study2023

    • Author(s)
      Hirama Ryutaro、Takeda Kenichiro、Sakao Seiichiro、Kasai Hajime、Miyata Shizu、Shikano Kohei、Naito Akira、Abe Mitsuhiro、Kawasaki Takeshi、Shigeta Ayako、Nakada Taka-aki、Igari Hidetoshi、Suzuki Takuji
    • Journal Title

      Internal Medicine

      Volume: 62 Issue: 16 Pages: 2321-2328

    • DOI

      10.2169/internalmedicine.1399-22

    • ISSN
      0918-2918, 1349-7235
    • Year and Date
      2023-08-15
    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Nationwide survey of adult patients with pulmonary alveolar proteinosis using the National Database of designated intractable diseases of Japan2023

    • Author(s)
      Miyashita Koichi、Hozumi Hironao、Inoue Yoshikazu、Suzuki Takuji、Suda Takafumi
    • Journal Title

      Respiratory Investigation

      Volume: 61 Issue: 3 Pages: 364-370

    • DOI

      10.1016/j.resinv.2023.02.011

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Design and rationale of the Japanese Idiopathic Interstitial Pneumonias (JIPS) Registry2023

    • Author(s)
      Okuda Ryo、Ogura Takashi、Hisata Shu、Baba Tomohisa、Kondoh Yasuhiro、et.al
    • Journal Title

      Respiratory Investigation

      Volume: 61 Issue: 1 Pages: 95-102

    • DOI

      10.1016/j.resinv.2022.08.009

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Prognostic impact of the cross-sectional area of the erector spinae muscle in patients with pleuroparenchymal fibroelastosis2023

    • Author(s)
      Kitahara Shinsuke、Abe Mitsuhiro、Kono Chiyoko、Sakuma Noriko、Ishii Daisuke、Kawasaki Takeshi、Ikari Jun、Suzuki Takuji
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 17289-17289

    • DOI

      10.1038/s41598-023-44138-y

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Impaired Dynamic Response of Oxygen Saturation During the 6-min Walk Test Is Associated With Mortality in Chronic Fibrosing Interstitial Pneumonia2023

    • Author(s)
      Imamura Soh、Inagaki Takeshi、Abe Mitsuhiro、Terada Jiro、Kawasaki Takeshi、Nagashima Kengo、Tatsumi Koichiro、Suzuki Takuji
    • Journal Title

      Respiratory Care

      Volume: 68 Issue: 3 Pages: 356-365

    • DOI

      10.4187/respcare.10231

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Functional roles of <scp>CD26</scp> / <scp>DPP4</scp> in bleomycin‐induced pulmonary fibrosis2023

    • Author(s)
      Koyanagi Yu、Kawasaki Takeshi、Kasuya Yoshitoshi、Hatano Ryo、Sato Shun、Takahashi Yukiko、Ohnuma Kei、Morimoto Chikao、Dudek Steven M.、Tatsumi Koichiro、Suzuki Takuji
    • Journal Title

      Physiological Reports

      Volume: 11 Issue: 6

    • DOI

      10.14814/phy2.15645

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Virological characteristics of the SARS-CoV-2 Omicron BA.2 spike2022

    • Author(s)
      Yamasoba Daichi、Kimura Izumi、Nasser Hesham他
    • Journal Title

      Cell

      Volume: 未定 Issue: 12 Pages: 2103-2115

    • DOI

      10.1016/j.cell.2022.04.035

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Elevated Myl9 reflects the Myl9-containing microthrombi in SARS-CoV-2-induced lung exudative vasculitis and predicts COVID-19 severity2022

    • Author(s)
      Iwamura Chiaki、Hirahara Kiyoshi、Kiuchi Masahiro、Ikehara Sanae、Azuma Kazuhiko、Shimada Tadanaga、Kuriyama Sachiko、Ohki Syota、Yamamoto Emiri、Inaba Yosuke、Shiko Yuki、Aoki Ami、Kokubo Kota、et al.
    • Journal Title

      Proceedings of the National Academy of Sciences

      Volume: 119 Issue: 33 Pages: 2203437119-2203437119

    • DOI

      10.1073/pnas.2203437119

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A murine model of hereditary pulmonary alveolar proteinosis caused by homozygous <i>Csf2ra</i> gene disruption2022

    • Author(s)
      Shima Kenjiro、Arumugam Paritha、Sallese Anthony、Horio Yuko、Ma Yan、Trapnell Cole、Wessendarp Matthew、Chalk Claudia、McCarthy Cormac、Carey Brenna C.、Trapnell Bruce C.、Suzuki Takuji
    • Journal Title

      American Journal of Physiology-Lung Cellular and Molecular Physiology

      Volume: 322 Issue: 3 Pages: L438-L448

    • DOI

      10.1152/ajplung.00175.2021

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Antibiotic-induced microbiome depletion improves LPS-induced acute lung injury via gut-lung axis2022

    • Author(s)
      Hashimoto Yaeko、Eguchi Akifumi、Wei Yan、Shinno-Hashimoto Hiroyo、Fujita Yuko、Ishima Tamaki、Chang Lijia、Mori Chisato、Suzuki Takuji、Hashimoto Kenji
    • Journal Title

      Life Sciences

      Volume: 307 Pages: 120885-120885

    • DOI

      10.1016/j.lfs.2022.120885

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clinical Characteristics and Risk Factors of Lung Injury Induced by Nab-Paclitaxel2022

    • Author(s)
      Yoshioka Keiichiro、Abe Mitsuhiro、Shiko Yuki、Koshikawa Ken、Kawasaki Yohei、Iwasawa Shunichiro、Terada Jiro、Tsushima Kenji、Tatsumi Koichiro、Suzuki Takuji
    • Journal Title

      Drug Design, Development and Therapy

      Volume: Volume 16 Pages: 759-767

    • DOI

      10.2147/dddt.s342283

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Transcriptome Analysis of Peripheral Blood Mononuclear Cells in Pulmonary Sarcoidosis2022

    • Author(s)
      Yoshioka Keiichiro、Sato Hironori、Kawasaki Takeshi、Ishii Daisuke、Imamoto Takuro、Abe Mitsuhiro、Hasegawa Yoshinori、Ohara Osamu、Tatsumi Koichiro、Suzuki Takuji
    • Journal Title

      Frontiers in Medicine

      Volume: 9 Pages: 822094-822094

    • DOI

      10.3389/fmed.2022.822094

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Tolerability of prone positioning in non‐intubated patients with hypoxaemia due to <scp>COVID</scp>‐19‐related pneumonia2022

    • Author(s)
      Shikano Kohei、Sakao Seiichiro、Inaba Yosuke、Taniguchi Toshibumi、Saito Go、Naito Akira、Abe Mitsuhiro、Kasai Hajime、Yahaba Misuzu、Kawasaki Takeshi、Shigeta Ayako、Ikari Jun、Sugiura Toshihiko、Kawasaki Yohei、Igari Hidetoshi、Suzuki Takuji
    • Journal Title

      Respirology

      Volume: 27 Issue: 5 Pages: 370-371

    • DOI

      10.1111/resp.14238

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mechanisms of action of fluvoxamine for COVID-19: a historical review2022

    • Author(s)
      Hashimoto Yaeko、Suzuki Takuji、Hashimoto Kenji
    • Journal Title

      Molecular Psychiatry

      Volume: 27 Issue: 4 Pages: 1898-1907

    • DOI

      10.1038/s41380-021-01432-3

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Functional Roles for CD26/DPP4 in LPS-induced Lung Injury in Mice2023

    • Author(s)
      Sato S, Kawasaki T, Hatano R, Koyanagi Y, Takahashi Y, Ohnuma K, Morimoto C, Dudek SM, Tatsumi K, Suzuki T
    • Organizer
      American Thoracic Society International Conference
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Functional Roles for CD26/DPP4 in Mouse Bleomycin-induced Pulmonary Fibrosis2023

    • Author(s)
      Koyanagi Y, Kawasaki T, Kasuya Y, Hatano R, Takahashi Y, Sato S, Ohnuma K, Morimoto C, Tatsumi K, Suzuki T
    • Organizer
      American Thoracic Society International Conference
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effects of macrophage transplantation in bleomycin-induced pulmonary fibrosis in mice2023

    • Author(s)
      Ikari J, Suzuki E, Katsumata M, Suzuki M, Shimada A, Tanaka N, Yamamoto K, Sekine A, Kasuya Y, Tatsumi K, Suzuki T
    • Organizer
      European Respiratory Society International Congress
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Preclinical studies supporting a first-in-human trial of pulmonary macrophage transplantation therapy of CSF2RA-associaited PAP2023

    • Author(s)
      Trapnell BC, Arumugam P, Carey B, Trump-Durbin LR, Wessendarp M, Suzuki T, Spoorthi F, Ma Y, Shima K, Stock J, Chalk C, Wikenheiser-Brokamp KA, Lutzko
    • Organizer
      European Respiratory Society International Congress
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 特発性肺線維症における末梢血単核球のトランスクリプトーム解析2023

    • Author(s)
      石井大介, 川﨑剛, 佐藤裕範, 今本拓郎, 安部光洋, 巽浩一郎, 鈴木拓児
    • Organizer
      第3回びまん性肺疾患研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Potential Functional Roles for CD26/Dipeptidyl Peptidase-4 in Mediating Responses of Human Lung Microvascular Endothelial Cells2022

    • Author(s)
      Takahashi Y, Kawasaki T, Sato H, Hasegawa Y, Dudek SM, Ohara O, Tatsumi K, Suzuki T
    • Organizer
      American Thoracic Society International Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Differential Transcriptome of Peripheral Mononuclear Blood Cells in Pulmonary Sarcoidosis.2022

    • Author(s)
      Yoshioka K, Kawasaki T, Sato H, Ishii D, Imamoto T, Abe M, Hasegawa Y, Ohara O, Suzuki T, Tatsumi K
    • Organizer
      American Thoracic Society International Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Peripheral Regulatory T Cell Count as a Potential Prognostic Factor for Chronic Obstructive Pulmonary Disease.2022

    • Author(s)
      Imamoto I, Kawasaki T, Ishii D, Yoshioka K, Suzuki T, Tatsumi K.
    • Organizer
      American Thoracic Society International Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The role of macrophages in lung homeostasis and diseases.2022

    • Author(s)
      Suzuki T.
    • Organizer
      JSICR/MMCB 2022 Joint Symposium
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2022-04-19   Modified: 2024-12-25  

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