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establishment of oral cancer animal model with bone invasion and development of clinical computed tomography examination which enable assessing mandibular invasion caused by oral cancer

Research Project

Project/Area Number 16K11505
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pathobiological dentistry/Dental radiology
Research InstitutionThe University of Tokushima

Principal Investigator

TAKAHASHI Akira  徳島大学, 病院, 講師 (30252688)

Co-Investigator(Kenkyū-buntansha) 工藤 隆治  徳島大学, 大学院医歯薬学研究部(歯学域), 助教 (10263865)
宮本 洋二  徳島大学, 大学院医歯薬学研究部(歯学域), 教授 (20200214)
玉谷 哲也  徳島大学, 病院, 講師 (30274236)
大江 剛  徳島大学, 病院, 講師 (60432762)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords口腔癌 / 骨浸潤 / 画像検査 / CT / 動物モデル / 骨造成 / 顎骨浸潤 / 画像診断 / X線CT / CT検査 / サブトラクション
Outline of Final Research Achievements

We established computed tomography examination which could assess mandibular invasion by oral cancer accurately. We also established bone invasion model using oral cancer cell and mouse.
1)clinical assessment: To the patients with bone invasion by oral cancer, we took computed tomography before and after administration of contrast medium. We made dynamic subtraction and we could access the extent of bone invasion accurately.
2)establishment of bone invasion model: We injected human origin squamous cell carcinoma cells to the mandible of nude mice with scratching the periosteum. we established bone invasion model by using CAL27 cells, and bone formation model by using B88cells.

Academic Significance and Societal Importance of the Research Achievements

口腔癌は顎骨に容易に浸潤し、生命予後への影響が大きいため、顎骨浸潤の評価と制御は口腔癌研究における重要なテーマである。顎骨に浸潤した口腔癌の治療では外科的切除が第一選択であり、腫瘍遺残あるいは過剰な切除を防ぐために、浸潤範囲を正確に評価する必要がある。今回の臨床評価により、正確な顎骨浸潤範囲の評価が可能になり、患者に最適な治療範囲を決定することできるようになった。また顎骨浸潤モデルを確立できたことにより、化学療法をはじめとする顎骨浸潤の制御実験を行う基礎が構築できた。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2018 2017 2016

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (4 results)

  • [Journal Article] Prevalence and imaging characteristics of nasopharyngeal and eustachian tube tonsilloliths in 2244 patients determined using computed tomography2018

    • Author(s)
      Akira Takahashi, Chieko Sugawara, Kazuya Akita, Kumiko Kamada, Keiko Kudoh, Tetsuya Tamatan,i Youji Miyamoto
    • Journal Title

      Dentomaxillofac Radiol

      Volume: 47 Issue: 7 Pages: 20180052-20180052

    • DOI

      10.1259/dmfr.20180052

    • NAID

      120006847344

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lingual tonsillolith: prevalence and imaging characteristics evaluated on 2244 pairs of panoramic radiographs and CT images2017

    • Author(s)
      Akira Takahashi, Chieko Sugawara, Keiko Kudos, Yoshiko Yamamura, Go Ohe, Tetsuya Yamatani, Youji Miyamoto
    • Journal Title

      Dentomaxillofacial Radiology

      Volume: 47 Issue: 1 Pages: 20170251-20170251

    • DOI

      10.1259/dmfr.20170251

    • NAID

      120006847345

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Prevalence and imaging characteristics of palatine tonsilloliths evaluated on 2244 pairs of panoramic radiographs and CT images2016

    • Author(s)
      Akira Takahashi, Chieko Sugawara, Takaharu Kudoh, Go Ohe, Natsumi Takamaru, Tetsuya Tamatani, Hirokazu Nagai and Youji Miyamoto
    • Journal Title

      Clinical Oral Investigations

      Volume: 21-1 Issue: 1 Pages: 85-91

    • DOI

      10.1007/s00784-016-1752-0

    • NAID

      120006714438

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] 早期口腔扁平上皮癌患者におけるABCG2,ALDH1,Bmi-1,CD24およびCD44発見に関する検討2017

    • Author(s)
      玉谷哲也、髙丸 菜都美、大江 剛、高橋 章、藤澤 健司、宮本 洋二
    • Organizer
      第71回NPO法人日本口腔科学会学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] 咽頭扁桃結石に関するX線診断学的検討2017

    • Author(s)
      高橋 章、工藤 隆治、工藤 景子、髙丸 菜都美、大江 剛、玉谷 哲也、藤澤 健司、菅原 千恵子、宮本 洋二
    • Organizer
      第71回NPO法人日本口腔科学会学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] 口腔扁平上皮癌の頸部リンパ節転移診断におけるFDG-PET検査の有用性2016

    • Author(s)
      高橋 章
    • Organizer
      第15回中国四国口腔癌研究会
    • Place of Presentation
      国際ホテル宇部(山口県・宇部市)
    • Related Report
      2016 Research-status Report
  • [Presentation] 口腔癌に対する強度変調放射線治療の有効性について2016

    • Author(s)
      工藤 隆治
    • Organizer
      第57回日本歯科放射線学会学術総会
    • Place of Presentation
      大阪府国際会議場(大阪府・大阪市)
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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