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Investigation for a mechanism of cetuxifmab resistance in head and neck cancers

Research Project

Project/Area Number 17K07203
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Tumor diagnostics
Research InstitutionKindai University

Principal Investigator

YONESAKA Kimio  近畿大学, 医学部, 講師 (30330260)

Co-Investigator(Kenkyū-buntansha) 坂井 和子  近畿大学, 医学部, 講師 (20580559)
土井 勝美  近畿大学, 医学部, 教授 (40243224)
北野 睦三  近畿大学, 医学部, 講師 (60716330)
田中 薫  近畿大学, 医学部, 講師 (80548628)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords薬効評価と予測 / HER3 / ヘレグリン / アファチニブ / AKT / MET
Outline of Final Research Achievements

The anti-epidermal growth factor receptor (EGFR) antibody cetuximab is standard therapy for head and neck squamous cell carcinoma (HNSCC), whereas the underlying mechanisms for resistance to it has been unknown. The current study reveals that HER3 ligand heregulin causes the resistance to cetuximab in HNSCC. Heregulin knockdown with siRNA recovered the sensitivity to cetuximab in the cetuximab-resistant HNSCC FaDuCR cells. Furthermore pan-HER inhibitor afatinib could decrease HER3 activation and overcome the resistance to cetuximab in FaDuCR xenografted mouse model study. Finally, two among 28 tumors of HNSCC aberrantly expressed heregulin and those were resistant to cetuximab-based therapy.

Academic Significance and Societal Importance of the Research Achievements

EGFR阻害剤は頭頚部癌のみならず非小細胞肺癌、大腸癌などで有効性が確立されている。そしてEGFR遺伝子の2次変異やHER2遺伝子増幅などが同剤の耐性化をもたらす。しかし頭頚部癌では未だセツキシマブの耐性機序が不明であったため、今回HER3リガンドであるヘレグリン依存的な耐性が明らかとなったことは学術的な意義がある。またHER3の阻害剤がセツキシマブ耐性頭頚部癌において有益である可能性が示唆された。この点は今後の進行期頭頚部癌の予後の改善につなげる上で重要と考える。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (3 results)

All 2019

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (2 results)

  • [Journal Article] Aberrant HER3 ligand heregulin-expressing head and neck squamous cell carcinoma is resistant to anti-EGFR antibody cetuximab, but not second-generation EGFR-TKI2019

    • Author(s)
      Yonesaka Kimio、Tanaka Kaoru、Kitano Mutsukazu、Kawakami Hisato、Hayashi Hidetoshi、Takeda Masayuki、Sakai Kazuko、Nishio Kazuto、Doi Katsumi、Nakagawa Kazuhiko
    • Journal Title

      Oncogenesis

      Volume: 8 Issue: 10 Pages: 1-10

    • DOI

      10.1038/s41389-019-0164-9

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Anti-EGFR antibody-resistant head and neck squamous cell carcinoma maintained sensitivity to pan-HER inhibitor2019

    • Author(s)
      米阪仁雄
    • Organizer
      日本臨床腫瘍学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Anti-EGFR antibody-resistant head and neck squamous cell carcinoma maintained sensitivity to pan-HER inhibitor2019

    • Author(s)
      米阪仁雄
    • Organizer
      日本がん分子標的治療学会
    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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