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Mechanism of action analysis of novel antibiotics in host factor contribution to therapeutic efficacy

Research Project

Project/Area Number 19K07140
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 47050:Environmental and natural pharmaceutical resources-related
Research InstitutionTeikyo University

Principal Investigator

Hiroshi Hamamoto  帝京大学, 医真菌研究センター, 准教授 (90361609)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords宿主と微生物の相互作用 / 新規抗生物質 / ライソシンE / アポリポプロテインA-I / lipid II / 化学療法学 / ケミカルバイオロジー / 微生物と宿主の相互作用 / 感染症 / 生化学 / 分子生物学 / 化学療法薬 / 抗生物質 / 宿主 / 探索
Outline of Research at the Start

多剤耐性菌に対抗するため、新しいメカニズムに基づく治療薬の開発が必要とされている。これまでの研究から、血清中の特定の宿主因子によって抗菌活性が高くなる抗生物質が見いだされ、その宿主因子の存在が治療効果にも寄与していることが明らかとなっている。そこで本研究では、その宿主因子による抗生物質の抗菌活性促進メカニズムを明らかにする。さらに、明らかにしたメカニズムを元に、これまでの抗生物質の探索では未踏の領域であった、宿主環境下でより高い活性を示す抗生物質群の探索系の確立を目指す。

Outline of Final Research Achievements

In this study, we succeeded in unraveling the mechanism of action of the host factor apolipoprotein A-I (ApoA-I), which enhances the antimicrobial activity of lysocin E, with a detailed step-by-step description of the mechanism of action. The results suggest that lysocin E utilizes the interaction between host and microbial factors to increase antimicrobial activity, which also contributes to therapeutic efficacy in mice systemic infection model. Since there have been no previous reports of antimicrobials that exhibit higher activity in the host environment, it can be concluded that lysocin E is a new class of antimicrobial agent. Furthermore, we found that the activity of several antimicrobial compounds was enhanced by various host factors, indicating that this phenomenon is not limited to lysocin E.

Academic Significance and Societal Importance of the Research Achievements

ライソシンEの高い治療効果を発揮する理由を明らかにすることができ、その臨床応用性について確証することができた。さらに宿主と微生物の相互作用を利用する、新しいクラスの抗菌薬の存在を明らかにすることができた。これまで宿主因子は抗菌活性を阻害する方向で考えられてきたため、宿主環境下においてより高い活性を示す抗菌治療薬の存在は想定されていない。従って、これまで注目されていない未知の抗菌化合物群の存在が期待でき、それを示唆するデータが得られてきている。本研究成果をもとに新しい手法の抗菌薬探索法を確立することが可能である。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (32 results)

All 2022 2021 2020 2019 Other

All Int'l Joint Research (3 results) Journal Article (16 results) (of which Int'l Joint Research: 10 results,  Peer Reviewed: 16 results,  Open Access: 15 results) Presentation (10 results) (of which Invited: 3 results) Remarks (3 results)

  • [Int'l Joint Research] NAVARRABIOMED(スペイン)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] Justus-Liebig-University Giessen(ドイツ)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] University of Veterinary Medicine(オーストリア)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Applying the silkworm model for the search of immunosuppressants2021

    • Author(s)
      Miyashita Atsushi、Hamamoto Hiroshi、Sekimizu Kazuhisa
    • Journal Title

      Drug Discoveries & Therapeutics

      Volume: 15 Issue: 3 Pages: 139-142

    • DOI

      10.5582/ddt.2021.01041

    • NAID

      130008062690

    • ISSN
      1881-7831, 1881-784X
    • Year and Date
      2021-06-30
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evaluation of pathogenicity and therapeutic effectiveness of antibiotics using silkworm <i>Nocardia</i> infection model2021

    • Author(s)
      Mikami Kazuhiro、Sonobe Kazunari、Ishino Keiko、Noda Takumi、Kato Mami、Hanao Mami、Hamamoto Hiroshi、Sekimizu Kazuhisa、Okazaki Mitsuhiro
    • Journal Title

      Drug Discoveries & Therapeutics

      Volume: 15 Issue: 2 Pages: 73-77

    • DOI

      10.5582/ddt.2021.01035

    • NAID

      130008037117

    • ISSN
      1881-7831, 1881-784X
    • Year and Date
      2021-04-30
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Serum apolipoprotein A-I potentiates the therapeutic efficacy of lysocin E against Staphylococcus aureus2021

    • Author(s)
      Hiroshi Hamamoto*, Suresh Panthee*, Atmika Paudel, Kenichi Ishii, Jyunichiro Yasukawa, Su Jie, Atsushi Miyashita, Hiroaki Itoh, Kotaro Tokumoto, Masayuki Inoue, Kazuhisa Sekimizu
    • Journal Title

      Nature Communications

      Volume: 12 Issue: 1 Pages: 6364-6364

    • DOI

      10.1038/s41467-021-26702-0

    • URL

      https://localhost/en/publications/bb5a5819-3913-4622-8bb4-2c4cc7ace59f

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Novel pathogenic mucorales identified using the silkworm infection model2021

    • Author(s)
      Panthee Suresh、Hamamoto Hiroshi、Nishiyama Yayoi、Paudel Atmika、Sekimizu Kazuhisa
    • Journal Title

      Journal of Fungi

      Volume: 7 Issue: 11 Pages: 995-995

    • DOI

      10.3390/jof7110995

    • URL

      https://localhost/en/publications/5880998b-44c4-4383-bbe3-4948270ac288

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] An efficient method to screen for the soil bacteria producing therapeutically effective antibiotics2021

    • Author(s)
      Hamamoto Hiroshi、Panthee Suresh、Hashimoto Kana、Tsuchida Toshio、Sekimizu Kazuhisa
    • Journal Title

      The Journal of Antibiotics

      Volume: 74 Issue: 12 Pages: 850-855

    • DOI

      10.1038/s41429-021-00476-5

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A novel application of bubble-eye strain of Carassius auratus for ex vivo fish immunological studies2021

    • Author(s)
      Nakajima Hiroto、Miyashita Atsushi、Hamamoto Hiroshi、Sekimizu Kazuhisa
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 10757-10757

    • DOI

      10.1038/s41598-021-89882-1

    • URL

      https://pure.teikyo.jp/en/publications/cbce45e7-02fb-4959-80f6-6f1ade39f4c0

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] YjbH regulates virulence genes expression and oxidative stress resistance in Staphylococcus aureus2021

    • Author(s)
      Paudel Atmika、Panthee Suresh、Hamamoto Hiroshi、Grunert Tom、Sekimizu Kazuhisa
    • Journal Title

      Virulence

      Volume: 12 Issue: 1 Pages: 470-480

    • DOI

      10.1080/21505594.2021.1875683

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Complete genome sequence and comparative genomic analysis of Enterococcus faecalis EF-2001, a probiotic bacterium2021

    • Author(s)
      Panthee Suresh、Paudel Atmika、Hamamoto Hiroshi、Ogasawara Akihiko Ano、Iwasa Toshihiro、Blom Jochen、Sekimizu Kazuhisa
    • Journal Title

      Genomics

      Volume: 113 Issue: 3 Pages: 1534-1542

    • DOI

      10.1016/j.ygeno.2021.03.021

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Development of an <i>in vivo</i>-mimic silkworm infection model with <i>Mycobacterium avium</i> complex2020

    • Author(s)
      Yagi Akiho、Yamazaki Hiroyuki、Terahara Takeshi、Yang Taehui、Hamamoto Hiroshi、Imada Chiaki、Tomoda Hiroshi、Uchida Ryuji
    • Journal Title

      Drug Discoveries & Therapeutics

      Volume: 14 Issue: 6 Pages: 287-295

    • DOI

      10.5582/ddt.2020.03099

    • NAID

      130007974226

    • ISSN
      1881-7831, 1881-784X
    • Year and Date
      2020-12-31
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A simple artificial diet available for research of silkworm disease models2020

    • Author(s)
      Paudel Atmika、Panthee Suresh、Hamamoto Hiroshi、Sekimizu Kazuhisa
    • Journal Title

      Drug Discoveries & Therapeutics

      Volume: 14 Issue: 4 Pages: 177-180

    • DOI

      10.5582/ddt.2020.03061

    • NAID

      130007897980

    • ISSN
      1881-7831, 1881-784X
    • Year and Date
      2020-08-31
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Role of Amino Acid Substitution in HepT Toward Menaquinone Isoprenoid Chain Length Definition and Lysocin E Sensitivity in Staphylococcus aureus2020

    • Author(s)
      Panthee Suresh、Paudel Atmika、Hamamoto Hiroshi、Uhlemann Anne-Catrin、Sekimizu Kazuhisa
    • Journal Title

      Frontiers in Microbiology

      Volume: 11 Pages: 2076-2076

    • DOI

      10.3389/fmicb.2020.02076

    • URL

      https://localhost/en/publications/7779f662-ce11-46f5-b0d2-b5de9e15263a

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Discovery of gramicidin A analogues with altered activities by multidimensional screening of a one-bead-one-compound library2020

    • Author(s)
      Takada Yuri、Itoh Hiroaki、Paudel Atmika、Panthee Suresh、Hamamoto Hiroshi、Sekimizu Kazuhisa、Inoue Masayuki
    • Journal Title

      Nature Communications

      Volume: 11 Issue: 1 Pages: 4935-4935

    • DOI

      10.1038/s41467-020-18711-2

    • URL

      https://pure.teikyo.jp/en/publications/2e325316-23e8-4ca3-8316-339309de641c

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Large-scale screening and identification of novel pathogenic staphylococcus aureus genes using a silkworm infection model2020

    • Author(s)
      Paudel Atmika、Hamamoto Hiroshi、Panthee Suresh、Matsumoto Yasuhiko、Sekimizu Kazuhisa
    • Journal Title

      The Journal of Infectious Diseases

      Volume: 221 Issue: 11 Pages: 1795

    • DOI

      10.1093/infdis/jiaa004

    • URL

      https://localhost/en/publications/3c4c72b1-9341-405e-9953-a133e4853b44

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] GPI0363 inhibits the interaction of RNA polymerase with DNA in: Staphylococcus aureus2019

    • Author(s)
      Paudel Atmika、Panthee Suresh、Hamamoto Hiroshi、Sekimizu Kazuhisa
    • Journal Title

      RSC Advances

      Volume: 9 Issue: 65 Pages: 37889

    • DOI

      10.1039/c9ra06844a

    • URL

      https://pure.teikyo.jp/en/publications/47e1bdfb-b628-4166-b7f4-8f52ce1f93f0

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Complete Genome Sequence of Weissella hellenica 0916-4-2 and Its Comparative Genomic Analysis2019

    • Author(s)
      Panthee Suresh、Paudel Atmika、Blom Jochen、Hamamoto Hiroshi、Sekimizu Kazuhisa
    • Journal Title

      Frontiers in Microbiology

      Volume: 10 Pages: 1619-1619

    • DOI

      10.3389/fmicb.2019.01619

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Pharmacokinetics of anti-infectious reagents in silkworms2019

    • Author(s)
      Hamamoto Hiroshi、Horie Ryo、Sekimizu Kazuhisa
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1 Pages: 9451-9451

    • DOI

      10.1038/s41598-019-46013-1

    • URL

      https://pure.teikyo.jp/en/publications/2df6566c-c56d-48dc-be0b-3e591949f36f

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 新規抗生物質ライソシンEは宿主と微生物の相互作用を利用して高い治療効果を発揮する2022

    • Author(s)
      浜本洋、Suresh Panthee、Atmika Paudel、宮下惇嗣、関水和久
    • Organizer
      第95回日本細菌学会総会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Cryptococcus neoformansの 病原性因子の網羅的探索2021

    • Author(s)
      浜本洋、石島早苗、Suresh Panthee、Atmika Paudel、関水和久
    • Organizer
      第65回日本医真菌学会総会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 宿主-微生物相互作用によるライソシン E の治療効果の増強2020

    • Author(s)
      浜本洋、Suresh Panthee、Atmika Paudel、関水和久
    • Organizer
      第32回微生物シンポジウム
    • Related Report
      2020 Research-status Report
  • [Presentation] カイコを用いた抗菌・抗真菌薬の探索2020

    • Author(s)
      関水和久、橋本佳奈、浜本洋
    • Organizer
      第65回日本ブドウ球菌研究会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] 新規抗MRSA薬としてのライソシンEの特長2020

    • Author(s)
      浜本洋、関水和久
    • Organizer
      第65回日本ブドウ球菌研究会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Cryptococcus neoformansの病原性因子の網羅的探索2020

    • Author(s)
      浜本洋、石島早苗、Suresh Panthee、Atmika Paudel、関水和久
    • Organizer
      第64回日本医真菌学会総会・学術総会
    • Related Report
      2020 Research-status Report
  • [Presentation] 酵母加熱死菌によるカイコの自然免疫の過度な活性化と殺傷2020

    • Author(s)
      石島早苗、宮下惇嗣、浜本洋、関水和久
    • Organizer
      第64回日本医真菌学会総会・学術総会
    • Related Report
      2020 Research-status Report
  • [Presentation] Anitimycobacterial activities of Lysocin E against Mycobacterial species in vitro2020

    • Author(s)
      ガブリスタディク ガブリミカエル、稲泉茜、西山晃史、山口雄大、尾関有里子、立石善隆、浜本洋、関水和久、松本壮吉
    • Organizer
      第93回日本細菌学会総会
    • Related Report
      2019 Research-status Report
  • [Presentation] 新規抗生物質「ライソシン」の開発2019

    • Author(s)
      関水和久、浜本洋
    • Organizer
      第2回 薬剤耐性(AMR)シンポジウム
    • Related Report
      2019 Research-status Report
  • [Presentation] ナノポアシークエンサーを用いたCandida albicans TIMM1768株の全ゲノム解析2019

    • Author(s)
      浜本洋、Suresh Panhtee、石島早苗、関水和久
    • Organizer
      第40回関東医真菌懇話会
    • Related Report
      2019 Research-status Report
  • [Remarks] 医真菌研究センター

    • URL

      https://www.teikyo-u.ac.jp/affiliate/laboratory/timm

    • Related Report
      2021 Annual Research Report
  • [Remarks] プレスリリース

    • URL

      https://www.teikyo-u.ac.jp/topics/2021/1104-1

    • Related Report
      2021 Annual Research Report
  • [Remarks] 医真菌研究センターのホームページ

    • URL

      https://www.teikyo-u.ac.jp/affiliate/laboratory/fungal_center/

    • Related Report
      2020 Research-status Report 2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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