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Evaluation of anti-tumor effects and safety in the therapy of the third generation armed oncolytic HSV-1 with immunotherapy

Research Project

Project/Area Number 19K19194
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 57060:Surgical dentistry-related
Research InstitutionOsaka University

Principal Investigator

UCHIHASHI TOSHIHIRO  大阪大学, 医学部附属病院, 助教 (60757839)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2019: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsウイルス療法 / 口腔癌 / マウス舌癌モデル / 頚部リンパ節転移 / 免疫療法 / 口腔癌へのウイルス療法の応用 / マウスモデル / 武装型遺伝子組み換えHSV-1 / 安全性 / 顎骨浸潤モデル / リンパ節転移 / 口腔癌のウイルス療法
Outline of Research at the Start

本研究は、現在東京大学において膠芽腫、前立腺癌、嗅神経芽細胞腫、および悪性胸膜中脾腫に対し臨床試験 (膠芽腫については医師主導治験) が進行中である第三世代がん治療用遺伝子組換えHSV-1 (G47Δ) と同様の機能を有する T-01 に抗腫瘍免疫刺激因子であるB7-1, IL-12を発現させたがん治療用ウイルスを用いて、マウス舌癌モデルにおける治療効果を検討し、口腔癌患者に対するウイルス療法の臨床応用を目指す。

Outline of Final Research Achievements

In the safety test, HSV-1-sensitive A/J mice injected with T-01, T-mfIL-12 and T-B7-1 into their tongues (1.0×107 pfu per mouse) survived 60 days, although those injected with wild-type HSV-1 strain F (1.0×107 pfu) all died within 12days. Furthermore, A/J mice injected with T-01, T-mfIL-12 and T-B7-1 into their tongues (1.0×107 pfu per mouse) survived 60 days without loss of weight or any behavioral effects in contrast to those injected with wild-type HSV-1 strain F (1.0×107 pfu). Moreover, armed oncolytic virus such as mouse B7-1 or mouse IL-12 is promising and safe in mouse tongue cancer model, especially in case with immune checkpoint inhibitor.

Academic Significance and Societal Importance of the Research Achievements

本研究のベースとなるウイルスであるG47Δは第三世代のがん治療用HSV-1であり、膠芽腫において製剤化間近であり、その安全で強力な抗癌作用が期待されている。そこにIL-12やB7-1といった免疫賦活化因子を発現するウイルスを用いた本研究では、G47Δ以上の抗癌作用が期待されるが、舌癌頚部リンパ節モデルにおいて、現在臨床現場で2nd lineの治療法となっている免疫チェックポイント阻害剤モデルを用いた際の抗癌作用の増強は目覚ましく、安全性試験の結果は口腔癌への応用に向けて非常に重要であると考える。免疫療法との
相乗効果は、特にリンパ節転移の抑制の点において画期的なものになり得ると考える。

Report

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

    (10 results)

All 2021 2020 2019

All Journal Article (5 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Salivary duct carcinoma of the submandibular gland presenting a diagnostic challenge: A case report2021

    • Author(s)
      Uchihashi Toshihiro、Kodama Shingo、Sugauchi Akinari、Hiraoka Shinichiro、Hirose Katsutoshi、Usami Yu、Tanaka Susumu、Kogo Mikihiko
    • Journal Title

      World Journal of Clinical Cases

      Volume: 9 Issue: 12 Pages: 2908-2915

    • DOI

      10.12998/wjcc.v9.i12.2908

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Atypical lipomatous tumor of the buccal mucosa: A case report and review of literature2021

    • Author(s)
      Yamada Saori、Ishimoto Shunsuke、Uchihashi Toshihiro、Lee Atsushi-Doksa、Yokota Yusuke、Cho Jung soo、Ishihama Kohji、Kogo Mikihiko、Tanaka Susumu
    • Journal Title

      Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology

      Volume: 33 Issue: 2 Pages: 173-177

    • DOI

      10.1016/j.ajoms.2020.09.008

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Clear Cell Carcinoma of Palatal Minor Salivary Gland Harboring a Novel EWSR1-ATF1 Fusion Gene: Report of a Case and Review of the Literature2020

    • Author(s)
      Hirose Katsutoshi、Usami Yu、Kohara Masaharu、Sato Sunao、Iwamoto Yuri、Murakami Shumei、Uchihashi Toshihiro、Oya Kaori、Fukuda Yasuo、Hori Yumiko、Morii Eiichi、Toyosawa Satoru
    • Journal Title

      Head and Neck Pathology

      Volume: s12105 Issue: 2 Pages: 01211-6

    • DOI

      10.1007/s12105-020-01211-6

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Tophaceous Pseudogout in the Temporomandibular Joint: A Case Report2020

    • Author(s)
      Kazuma HARADA, Susumu TANAKA, Toshihiro UCHIHASHI, Kaori OYA, Hiroyuki OHARA, Jiro MIURA, and Mikihiko KOGO
    • Journal Title

      Nano Biomedicine

      Volume: 12 Pages: 115-119

    • NAID

      130007989994

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clathrin heavy chain phosphorylated at T606 plays a role in proper cell division2019

    • Author(s)
      Yabuno Yusuke、Uchihashi Toshihiro、Sasakura Towa、Shimizu Hiroyuki、Naito Yoko、Fukushima Kohshiro、Ota Kaori、Kogo Mikihiko、Nojima Hiroshi、Yabuta Norikazu
    • Journal Title

      Cell Cycle

      Volume: 18 Issue: 16 Pages: 1976-1994

    • DOI

      10.1080/15384101.2019.1637201

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 口腔がんへのウイルス療法2020

    • Author(s)
      内橋俊大 藤堂具紀
    • Organizer
      第65回日本口腔外科学会学術総会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 9.A new minimally invasive approach for oral suamous cell carcinoma using G47Δ, a third generation oncolytic HSV-1.2020

    • Author(s)
      T. Uchihashi, A. Sugauchi, K. Kurioka, M. Kogo and T. Todo.
    • Organizer
      India-Japan Multidisciplinary Symposium on Oral Oncology, Maxillofacial Trauma & Implantology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] A NEW THERAPEUTIC STRATEGY FOR ORAL SQUAMOUS CELL CARCINOMA USING G47Δ, A THIRD GENERATION ONCOLYTIC HSV-1.2019

    • Author(s)
      Toshihiro Uchihashi, Akinari Sugauchi, Kyoko Kurioka, Yasushi Ino, Mikihiko Kogo and Tomoki Todo.
    • Organizer
      IAOMS 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 2.A case of Salivary Duct Carcinoma(SDC) arising at submandibular grand suspected as specific inflammation.2019

    • Author(s)
      Shingo Kodama, Toshihiro Uchihashi, Susumu Tanaka, Mikihiko Kogo.
    • Organizer
      IAOMS 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 5.Therapeutic efficacy of IL-12 expressing oncolytic HSV-1 with triple mutations for neck lymph node metastases in mouse tongue cancer models.2019

    • Author(s)
      Kyoko Kurioka, Toshihiro Uchihashi, Akinari Sugauchi, Miwako Iwai, Mikihiko Kogo and Tomoki Todo.
    • Organizer
      第25回日本遺伝子細胞治療学会.
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2022-01-27  

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