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Relationship between antitumor immunity and lymph node immune environment in oral caner

Research Project

Project/Area Number 17K11878
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Surgical dentistry
Research InstitutionKumamoto University

Principal Investigator

Kawahara Kenta  熊本大学, 病院, 病院教員 (90732735)

Co-Investigator(Kenkyū-buntansha) 吉田 遼司  熊本大学, 大学院生命科学研究部(医), 准教授 (10632458)
菰原 義弘  熊本大学, 大学院生命科学研究部(医), 准教授 (40449921)
中山 秀樹  熊本大学, 大学院生命科学研究部(医), 教授 (70381001)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords口腔癌 / 腫瘍免疫 / リンパ節マクロファージ / CD169 / CD8 / 癌免疫 / M1マクロファージ / 所属リンパ節 / 抗腫瘍免疫
Outline of Final Research Achievements

In this study, we investigated the relationships between immune environment of lymph nodes, lymph nodes infiltration in cancer tissues, and other clinicopathological factors using postoperative specimens of oral cancer. Immunohistochemical staining of CD169 with lymph nodes in 50 cases of oral cancer who underwent preoperative chemoradiotherapy showed a significantly better prognosis in high CD169 expression group in overall, cancer-specific, and recurrence-free survival. It was suggested that the density of CD169-positive macrophages in regional lymph node was associated with antitumor immunity and might represent a useful for assessing clinical prognosis in patients with oral cancer.
Moreover, the correlations between CD169-positive macrophages and infiltration of CD8-positive T cells in the primary tumor tissue were examined. It was shown that the higher density of CD169-positive macrophages were associated with higher density of CD8-positive cytotoxic T cells within the tumor sites.

Academic Significance and Societal Importance of the Research Achievements

近年頭頸部癌においても、ニボルマブやペンブロリズマブ等の免疫チェックポイント阻害剤の登場により抗腫瘍免疫に注目が集まっている。本研究は、主にリンパ節の免疫環境に注目した研究であり、口腔癌では本研究が初めてである。使用するリンパ節は、口腔癌手術時に病理検査に出すサンプルあるいはそのあまりの新鮮検体であり、比較的入手しやすいサンプルでもあり、今後の発展が期待できる。
本研究は、がん患者の抗腫瘍免疫をモニタリングするための新たな免疫病理診断につながるものであり、またがん患者の予後予測や個別化治療への応用が期待できる。

Report

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

    (6 results)

All 2020 2019 2018

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Enhanced expression of IGFBP-3 reduces radiosensitivity and is associated with poor prognosis in oral squamous cell carcinoma.2020

    • Author(s)
      Junki Sakata
    • Journal Title

      Cancers

      Volume: 20(12)

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] HMGA2 contributes to distant metastasis and poor prognosis by promoting angiogenesis in oral squamous cell carcinoma.2019

    • Author(s)
      Junki Sakata
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 20(10)

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Circulating miRNA-1290 as a potential biomarker for response to chemoradiotherapy and prognosis of patients with advanced oral squamous cell carcinoma: A single-center retrospective study.2019

    • Author(s)
      Hikaru Nakashima
    • Journal Title

      Tumour Biology

      Volume: 41 Pages: 1-10

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Tumor budding as a novel predictor of occult metastasis in cT2N0 tongue squamous cell carcinoma2018

    • Author(s)
      Junki Sakata
    • Journal Title

      Human PATHOLOGY

      Volume: 76 Pages: 1-8

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] Investigation of cisplatin-resistance mechanisms in oral squamous cell carcinoma cell lines.2019

    • Author(s)
      Sho Kawaguchi
    • Organizer
      日本癌学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Overexpression of miR-30a confers 5-FU resistance by inhibiting cell proliferation through targeting cyclin E2 in oral cancer.2019

    • Author(s)
      Kenta Kawahara
    • Organizer
      23rd International Symposium on Molecular Medicine
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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

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