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

2017 Fiscal Year Annual Research Report

Development of diagnostic biomarker for cholangiocarcinoma by analysis of miRNA in exosome of bile

Research Project

Project/Area Number 15K10194
Research InstitutionOsaka City University

Principal Investigator

竹村 茂一  大阪市立大学, 大学院医学研究科, 講師 (00322363)

Co-Investigator(Kenkyū-buntansha) 南山 幸子  京都府立大学, 生命環境科学研究科, 教授 (00362989)
久保 正二  大阪市立大学, 大学院医学研究科, 准教授 (80221224)
Project Period (FY) 2015-04-01 – 2018-03-31
Keywords胆道癌 / 胆汁 / 印刷業 / バイオマーカー
Outline of Annual Research Achievements

肝胆膵癌においてERCPや術中に採取した胆汁のレドックス動態、脂質過酸化物などを測定するとともに患者(印刷業従事胆管癌を含む)胆汁中の細胞外小胞中のmiRNAを解析しこれらを組み合わせることによって独自の早期診断マーカーを探索することを目的とする。
印刷従事者胆管癌4例、印刷業以外の肝胆膵癌43例、非担癌症例14例から採取した胆汁について酸化還元動態、変異原性試験、胆汁酸組成を検討した。印刷業従事者とそれ以外の胆管癌をHPLC 法により電化化学検出器(クーロケム)で検出した結果を比較すると印刷業で酸化型グルタチオンの割合が高く、胆汁酸組成では二次胆汁酸が高いことが判明した。印刷従事者を含む胆道癌症例と非担癌症例ともに変異原性試験では全例陰性であった。
胆道癌の新規バイオマーカーを検出するため胆道癌症例及び非胆道癌症例より術中に採取した胆汁を用いてエクソソームの回収を試みた。胆汁からのエクソソーム採取は今までLing Liらによる報告(Hepatology 2014;60:896-907)を含め数編しか見られない。これは胆汁のpH、非常にRNAが微量であることなど特殊な要因が関与するためで我々も当初、通常のRNAシークエンサー法では種々の条件検討を行ったが、再現性のある回収は不可能であった。胆汁中のエクソソームは想定通り微量であったが、新規の回収法を開発(詳細は特許申請予定のため不記載)確立し、エクソソームの確認を行った。本手法を改良し収量の増加に取り組むとともに、胆管癌特異的なマーカーの検出を行った結果、胆汁中エクソソーム分画よりmiRNAをリードすることができた。胆管癌5例、肝細胞癌4例、肝内胆管癌3例、膵癌2例、印刷業由来胆管癌2例からの採取を終了、現在得られたmiRNAプロファイルより胆道癌特異的な変動を解析するとともに血中のmiRNAとの相同性などを検索中である。

  • Research Products

    (17 results)

All 2018 2017

All Journal Article (10 results) (of which Peer Reviewed: 10 results,  Open Access: 3 results) Presentation (7 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Journal Article] Stagnation of histopathological improvement is a predictor of hepatocellular carcinoma development after hepatitis C virus eradication2018

    • Author(s)
      Motoyama Hiroyuki、Tamori Akihiro、Kubo Shoji、Uchida-Kobayashi Sawako、Takemura Shigekazu、Tanaka Shogo、Ohfuji Satoko、Teranishi Yuga、Kozuka Ritsuzo、Kawamura Etsushi、Hagihara Atsushi、Morikawa Hiroyasu、Enomoto Masaru、Murakami Yoshiki、Kawada Norifumi
    • Journal Title

      PLOS ONE

      Volume: 13 Pages: 0194163~0194163

    • DOI

      10.1371/journal.pone.0194163

    • Peer Reviewed
  • [Journal Article] A phase I study for adjuvant chemotherapy of gemcitabine plus S-1 in patients with biliary tract cancer undergoing curative resection without major hepatectomy (KHBO1202)2018

    • Author(s)
      Yanagimoto Hiroaki、Toyokawa Hideyoshi、Sakai Daisuke、Wada Hiroshi、Satoi Sohei、Yamamoto Tomohisa、Nagano Hiroaki、Toyoda Masanori、Ajiki Tetsuo、Satake Hironaga、Tsuji Akihito、Miyamoto Atsushi、Tsujie Masanori、Takemura Shigekazu、Yanagihara Kazuhiro、Ioka Tatsuya
    • Journal Title

      Cancer Chemotherapy and Pharmacology

      Volume: 81 Pages: 461~468

    • DOI

      10.1007/s00280-017-3513-4

    • Peer Reviewed
  • [Journal Article] S-allyl-glutathione improves experimental liver fibrosis by regulating Kupffer cell activation in rats2018

    • Author(s)
      Takemura Shigekazu、Azuma Hideki、Osada-Oka Mayuko、Kubo Shoji、Shibata Toshihiko、Minamiyama Yukiko
    • Journal Title

      Am J physiol Gastrointest Liver Physiol.

      Volume: 314 Pages: G150~G163

    • DOI

      10.1152/ajpgi.00023.2017

    • Peer Reviewed
  • [Journal Article] The PD-1/PD-L1 axis may be aberrantly activated in occupational cholangiocarcinoma2017

    • Author(s)
      Sato Yasunori、Kinoshita Masahiko、Takemura Shigekazu、Tanaka Shogo、Hamano Genya、Nakamori Shoji、Fujikawa Masahiro、Sugawara Yasuhiko、Yamamoto Takatsugu、Arimoto Akira、Yamamura Minako、Sasaki Motoko、Harada Kenichi、Nakanuma Yasuni、Kubo Shoji
    • Journal Title

      Pathology International

      Volume: 67 Pages: 163~170

    • DOI

      10.1111/pin.12511

    • Peer Reviewed / Open Access
  • [Journal Article] MR imaging and MR cholangiopancreatography of cholangiocarcinoma developing in printing company workers2017

    • Author(s)
      Koyama Koichi、Kubo Shoji、Ueki Ai、Shimono Taro、Takemura Shigekazu、Tanaka Shogo、Kinoshita Masahiko、Hamano Genya、Miki Yukio
    • Journal Title

      Japanese Journal of Radiology

      Volume: 35 Pages: 233~241

    • DOI

      10.1007/s11604-017-0626-y

    • Peer Reviewed / Open Access
  • [Journal Article] Attenuation of Bleomycin-Induced Pulmonary Fibrosis in Rats with S-Allyl Cysteine2017

    • Author(s)
      Tsukioka Takuma、Takemura Shigekazu、Minamiyama Yukiko、Mizuguchi Shinjiro、Toda Michihito、Okada Shigeru
    • Journal Title

      Molecules

      Volume: 22 Pages: 543~543

    • DOI

      10.3390/molecules22040543

    • Peer Reviewed / Open Access
  • [Journal Article] Portal Vein Embolization: History and Current Indications2017

    • Author(s)
      Shinkawa Hiroji、Takemura Shigekazu、Tanaka Shogo、Kubo Shoji
    • Journal Title

      Visceral Medicine

      Volume: 33 Pages: 414~417

    • DOI

      10.1159/000479474

    • Peer Reviewed
  • [Journal Article] Carbon monoxide-releasing molecule, CORM-3, modulates alveolar macrophage M1/M2 phenotype in vitro2017

    • Author(s)
      Yamamoto-Oka Hiroko、Mizuguchi Shinjiro、Toda Michihito、Minamiyama Yukiko、Takemura Shigekazu、Shibata Toshihiko、Cepinskas Gediminas、Nishiyama Noritoshi
    • Journal Title

      Inflammopharmacology

      Volume: 26 Pages: 435~445

    • DOI

      10.1007/s10787-017-0371-y

    • Peer Reviewed
  • [Journal Article] Perioperative allogenic blood transfusion is a poor prognostic factor after hepatocellular carcinoma surgery: a multi-center analysis2017

    • Author(s)
      Wada Hiroshi、Eguchi Hidetoshi、Nagano Hiroaki、Kubo Shoji、Nakai Takuya、Kaibori Masaki、Hayashi Michihiro、Takemura Shigekazu、Tanaka Shogo、Nakata Yasuyuki、Matsui Kosuke、Ishizaki Morihiko、Hirokawa Fumitoshi、Komeda Koji、Uchiyama Kazuhisa、Kon Masanori、Doki Yuichiro、Mori Masaki
    • Journal Title

      Surgery Today

      Volume: 48 Pages: 73~79

    • DOI

      10.1007/s00595-017-1553-3

    • Peer Reviewed
  • [Journal Article] Occupational cholangiocarcinoma caused by exposure to 1,2-dichloropropane and/or dichloromethane2017

    • Author(s)
      Kubo Shoji、Takemura Shigekazu、Tanaka Shogo、Shinkawa Hiroji、Kinoshita Masahiko、Hamano Genya、Ito Tokuji、Koda Masaki、Aota Takanori
    • Journal Title

      Annals of Gastroenterological Surgery

      Volume: 2 Pages: 99~105

    • DOI

      10.1002/ags3.12051

    • Peer Reviewed
  • [Presentation] Development of cholangiocarcinoma in a printing company employee: Occupational cholangiocarcinoma2017

    • Author(s)
      S. Kubo, S. takemura, S. Tanaka, G. Hamano, M. Kinoshita, T. Ito, Y. Kurashima, M. Koda
    • Organizer
      The 6th Biennial Congress of the Asia-Pacific Hepato-Pancreato-Biliary Association
    • Int'l Joint Research / Invited
  • [Presentation] 化学物質大量暴露を伴う職業性胆管がんの遺伝子変異の特異性2017

    • Author(s)
      三牧幸代、渡辺正彦、久保正二、上原一哉
    • Organizer
      第76回日本癌学会学術総会
  • [Presentation] The clinical significance of the serum concentration of duke pancreatic monoclonal antigen type 2 (DUPAN-2) in biliary tract cancer2017

    • Author(s)
      Ito T, Tanaka S, Takemura S, Hamano G, Kurashima Y, Koda M, Aota T, Kubo S
    • Organizer
      The 4th Kansai-Yeungnam
    • Int'l Joint Research
  • [Presentation] Is lymph node dissection necessary for small2017

    • Author(s)
      Hamano G, Takemura S, Tanaka S, Ito T, Kurashima Y, Aota T, Koda M, Kubo S
    • Organizer
      The 29th Meeting of Japanese Society of Hepato-Biliary-Pancreatic Surgery
  • [Presentation] The significance of the serum concentration of duke pancreatic monoclonal antigen type 22017

    • Author(s)
      Ito T, Tanaka S, Takemura S, Hamano G, Kurashima Y, Koda M, Aota T, Kubo S
    • Organizer
      The 29th Meeting of Japanese Society of Hepato-Biliary-Pancreatic Surgery
  • [Presentation] The clinical significance of the serum concentration of duke pancreatic monoclonal antigen type 2 (DUPAN-2) in biliary tract cancer2017

    • Author(s)
      Ito T, Tanaka S, Takemura S, Hamano G, Kurashima Y, Aota T, Koda M, Kubo S
    • Organizer
      American College of Surgeons (ACS) Clinical Congress 2017
    • Int'l Joint Research
  • [Presentation] S-allyl-glutathione improves liver fibrosis by inhibition of excess M1- or M2- polarized macrophage in rats2017

    • Author(s)
      Takemura S, Minamiyama Y, Azuma H, Osada-Oka M, Kubo S
    • Organizer
      The 68th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD)
    • Int'l Joint Research

URL: 

Published: 2018-12-17  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi