• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2023 Fiscal Year Annual Research Report

Examination of gastrointestinal differentiation and expression status of cancer stromal markers in extrahepatic cholangiocarcinoma

Research Project

Project/Area Number 21K06927
Research InstitutionDokkyo Medical University

Principal Investigator

石田 和之  獨協医科大学, 医学部, 教授 (40444004)

Project Period (FY) 2021-04-01 – 2024-03-31
Keywords遠位胆管癌 / 肝門部胆管癌 / 胃腸分化 / 癌関連線維芽細胞
Outline of Annual Research Achievements

肝外胆管癌である肝門部胆管癌と遠位胆管癌における管状腺癌の胃腸分化マーカーの発現状況が異なることに着目して,管状腺癌の癌間質,胃腸分化方向と癌間質との関連性が部位によって異なるのかを目的とした.具体的には癌関連線維芽細胞(cancer-associated fibroblasts, CAFs), 腫瘍浸潤リンパ球(tumor-infiltrating lymphocytes, TILs), 腫瘍関連マクロファージ(tumor-associated macrophages, TAMs), 胃腸分化マーカーの発現を検討した.加えて,肝外胆管癌の予後を規定する癌細胞と癌間質マーカーの組み合わせを解明することについても検討した.なお,本研究の予備実験も含め,我々の施設で明らかにした膵胆道系の癌の診断に有用と考えられる癌の分化に関連するマーカーについても検討した.
研究実施計画に沿って,胆管癌手術施行例の集積,HE標本全ての見直しを行い,主座,組織型,深達度,脈管侵襲,上皮内癌の有無,マーカー発現などの病理学的所見を評価した.新たな形態学的指標として,管状腺癌の先進部における癌細胞5個以下の小型腫瘍胞巣を簇出として評価した.結果として,神経浸潤の程度(遠位>肝門部),脈管侵襲の程度(遠位<肝門部),簇出の程度(遠位>肝門部),MUC5ACの発現,TILとTAMの発現状況が部位により異なる可能性が示された.上皮の胃腸分化方向とCAFs,TILs,TAMsの関連性は見出せなかった.予後については症例を追跡中であり,予後データも含めた臨床病理学的解析を順次進める予定である.

  • Research Products

    (7 results)

All 2024 2023

All Journal Article (7 results) (of which Peer Reviewed: 7 results)

  • [Journal Article] Superficial esophageal squamous cell carcinoma with melanocytosis that was endoscopically difficult to differentiate from malignant melanoma2024

    • Author(s)
      Horikawa Yoshinori、Goda Kenichi、Koyanagi Ryota、Kondo Masayuki、Abe Keiichiro、Kanamori Akira、Hamada Koichi、Ishida Kazuyuki、Irisawa Atsushi
    • Journal Title

      DEN Open

      Volume: 4 Pages: 251~255

    • DOI

      10.1002/deo2.353

    • Peer Reviewed
  • [Journal Article] Hereditary Diffuse Gastric Cancer Treated by Prophylactic Total Gastrectomy2024

    • Author(s)
      Inaba Yasunori、Goda Kenichi、Kondo Masayuki、Abe Keiichiro、Kanamori Akira、Suzuki Tsunehiro、Tominaga Keiichi、Nakagawa Masatoshi、Morita Shinji、Kojima Kazuyuki、Ishida Kazuyuki、Irisawa Atsushi
    • Journal Title

      Internal Medicine

      Volume: 63 Pages: 235~239

    • DOI

      10.2169/internalmedicine.1257-22

    • Peer Reviewed
  • [Journal Article] Usefulness of cytological diagnosis in pancreatic endoscopic ultrasound‐guided fine needle aspiration or biopsy: Comparison with histological diagnosis and relationship with puncture route and sample acquisition method2023

    • Author(s)
      Nagai Tamiko、Ishida Kazuyuki、Machida Hiromi、Takada‐Owada Atsuko、Onozaki Masato、Noda Shuhei、Nozawa Yumi、Takaoka Mina、Sakuma Fumi、Aoki Taku、Irisawa Atsushi
    • Journal Title

      Diagnostic Cytopathology

      Volume: 51 Pages: 467~474

    • DOI

      10.1002/dc.25144

    • Peer Reviewed
  • [Journal Article] A case of malignant ascites of neuroendocrine carcinoma of the gallbladder diagnosed by endoscopic ultrasound‐guided fine‐needle aspiration2023

    • Author(s)
      Ishikawa Mihoko、Ishida Kazuyuki、Machida Hiromi、Kato Hikaru、Ishizaki Satomi、Nagai Tamiko、Matsuyama Kinichi、Nozawa Yumi、Takada‐Owada Atsuko、Kaneko Yuko、Sakuma Fumi、Irisawa Atsushi
    • Journal Title

      Diagnostic Cytopathology

      Volume: 51 Pages: 658~661

    • DOI

      10.1002/dc.25199

    • Peer Reviewed
  • [Journal Article] Evaluation of peripheral enhancement on contrast-enhanced computed tomography and corresponding pathological findings in colorectal liver metastases after preoperative chemotherapy2023

    • Author(s)
      Tamura Akio、Ishida Kazuyuki、Sone Misato、Yoshioka Kunihiro
    • Journal Title

      Polish Journal of Radiology

      Volume: 88 Pages: 251~255

    • DOI

      10.5114/pjr.2023.127611

    • Peer Reviewed
  • [Journal Article] Micro-hepatocellular carcinoma with bile duct tumor thrombus mimicking intrahepatic intraductal papillary neoplasm of the bile duct: a case report2023

    • Author(s)
      Matsumoto Takatsugu、Shimizu Takayuki、Sato Shun、Tanaka Genki、Yamaguchi Takamune、Park Kyung-Hwa、Sakuraoka Yuhki、Shiraki Takayuki、Mori Shozo、Iso Yukihiro、Nemoto Takehiko、Kubota Keiichi、Nozawa Yumi、Ishida Kazuyuki、Aoki Taku
    • Journal Title

      Surgical Case Reports

      Volume: 9 Pages: 67

    • DOI

      10.1186/s40792-023-01646-3

    • Peer Reviewed
  • [Journal Article] Pathological complete response of hepatocellular carcinoma confirmed by conversion hepatectomy following atezolizumab plus bevacizumab therapy: a case report and literature review2023

    • Author(s)
      Sato Shun、Aoki Taku、Matsumoto Takatsugu、Shiraki Takayuki、Mori Shozo、Iso Yukihiro、Nemoto Takehiko、Onishi Toshihiko、Iijima Makoto、Ishida Kazuyuki
    • Journal Title

      Clinical Journal of Gastroenterology

      Volume: 17 Pages: 292~299

    • DOI

      10.1007/s12328-023-01895-7

    • Peer Reviewed

URL: 

Published: 2024-12-25  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi