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

Development of the new diagnostic method and drug discovery based on metabolic loam analysis of the castration-resistant prostate cancer

Research Project

Project/Area Number 17K11125
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Urology
Research InstitutionChiba University

Principal Investigator

Sakamoto Shinichi  千葉大学, 医学部附属病院, 講師 (70422235)

Co-Investigator(Kenkyū-buntansha) 今村 有佑  千葉大学, 大学院医学研究院, 助教 (10568629)
安西 尚彦  千葉大学, 大学院医学研究院, 教授 (70276054)
高山 達也  自治医科大学, 医学部, 准教授 (90324350)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords前立腺癌 / 去勢抵抗性 / アミノ酸トランスポーター / テストステロン / 前立腺がん / メタボローム / 血清テストステロン / 予後 / cf DNA / AR増幅 / バイオバンク / 血清 / タンパク質 / メタボロミクス / マーカー
Outline of Final Research Achievements

In the prostate cancer, I identified the importance in the tumor increase of 4F2hc which formed LAT1 and the heterodimer which were the amino acid transporter which was the control factor of the metabolic loam. The expression of 4F2hc in the prostatic complete removal specimen is related to a PSA recurrence (P = 0.0035). The overexpression of 4F2hc was related to the clinical tumors stage (p= 0.0255) and Gleason score (p= 0.0035). Si4F2hc controlled phosphorylation of MAPK and AKT in conjunction with G0/G1 Arrest. From RNA Seq analysis of Si4F2hc, I identified SKP-2 protein as the downstream signal.

Academic Significance and Societal Importance of the Research Achievements

前立腺癌におけるアミノ酸トランスポータ―LAT1/4F2hcの臨床的、基礎医学的意義を証明した。以前は、LAT1からの側面しか解析されていない中、結合蛋白である4F2hcの重要性を世界で初めて証明した。 また、LAT1阻害剤は前臨床段階でPhase I試験が終了し、Phase II試験を去勢抵抗性前立腺癌において計画している。今回の結果は、今後の臨床試験の申請に活用されると思われる。
平行して行った血清テストステロン値と去勢抵抗性前立腺癌患者の予後予測因子としての有用性の検討は、血清テストステロンの高低により新規AR剤か化学療法を選択すべきか示唆される実臨床に応用可能な内容であった。

Report

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

    (24 results)

All 2020 2019 2018 2017

All Journal Article (12 results) (of which Int'l Joint Research: 12 results,  Peer Reviewed: 12 results,  Open Access: 5 results) Presentation (11 results) (of which Int'l Joint Research: 8 results,  Invited: 10 results) Book (1 results)

  • [Journal Article] Expression of L-type amino acid transporter 1 as a molecular target for prognostic and therapeutic indicators in bladder carcinoma.2020

    • Author(s)
      Maimaiti M, Sakamoto S, Yamada Y, Sugiura M, Rii J, Takeuchi N, Imamura Y, Furihata T, Ando K, Higuchi K, Xu M, Sazuka T, Nakamura K, Kaneda A, Kanai Y, Kyprianou N, Ikehara Y, Anzai N, Ichikawa T.
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 1292-1292

    • DOI

      10.1038/s41598-020-58136-x

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] How many bone metastases may be defined as high‐volume metastatic prostate cancer in Asians: A retrospective multicenter cohort study2020

    • Author(s)
      Yamada Yasutaka、Sakamoto Shinichi、Rii Junryo、Yamamoto Satoshi、Kamada Shuhei、Imamura Yusuke、Nakamura Kazuyoshi、Komiya Akira、Nakatsu Hiroomi、Ichikawa Tomohiko
    • Journal Title

      The Prostate

      Volume: 80 Issue: 5 Pages: 559-569

    • DOI

      10.1002/pros.23958

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Current status of circulating tumor cell androgen receptor splice variant-7 in metastatic castration-resistant prostate cancer2020

    • Author(s)
      Sakamoto S
    • Journal Title

      Annals of Translational Medicine,

      Volume: 7 Pages: S375-S375

    • DOI

      10.21037/atm.2019.12.137

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Higher serum testosterone levels predict poor prognosis in castration‐resistant prostate cancer patients treated with docetaxel2019

    • Author(s)
      Ando Keisuke、Sakamoto Shinichi、Takeshita Nobushige、Fujimoto Ayumi、Maimaiti Maihulan、Saito Shinpei、Sanjyon Pae、Imamura Yusuke、Sato Nobuo、Komiya Akira、Akakura Koichiro、Ichikawa Tomohiko
    • Journal Title

      The Prostate

      Volume: 80 Issue: 3 Pages: 247-255

    • DOI

      10.1002/pros.23938

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Correlation between Automated Bone Scan Index Change after Cabazitaxel and Survival among Men with Castration-Resistant Prostate Cancer2019

    • Author(s)
      Miyoshi Yasuhide、Sakamoto Shinichi、Kawahara Takashi、Uemura Koichi、Yokomizo Yumiko、Uemura Hiroji
    • Journal Title

      Urologia Internationalis

      Volume: 103 Issue: 3 Pages: 279-284

    • DOI

      10.1159/000502655

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Higher Serum Testosterone Levels Associated with Favorable Prognosis in Enzalutamide- and Abiraterone-Treated Castration-Resistant Prostate Cancer2019

    • Author(s)
      Sakamoto Shinichi、Maimaiti Maihulan、Xu Minhui、Kamada Shuhei、Yamada Yasutaka、Kitoh Hiroki、Matsumoto Hiroaki、Takeuchi Nobuyoshi、Higuchi Kosuke、Uchida Haruhito A.、Komiya Akira、Nagata Maki、Nakatsu Hiroomi、Matsuyama Hideyasu、Akakura Koichiro、Ichikawa Tomohiko
    • Journal Title

      Journal of Clinical Medicine

      Volume: 8 Issue: 4 Pages: 489-489

    • DOI

      10.3390/jcm8040489

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Role of pre-miR-532 (miR-532-5p and miR-532-3p) in regulation of gene expression and molecular pathogenesis in renal cell carcinoma.2019

    • Author(s)
      Yamada Y, Arai T, Kato M, Kojima S, Sakamoto S, Komiya A, Naya Y, Ichikawa T, Seki N.
    • Journal Title

      American Journal of Clinical and Experimental Urology

      Volume: 7 Pages: 11-30

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Treatment strategy for metastatic prostate cancer with extremely high PSA level: reconsidering the value of vintage therapy2018

    • Author(s)
      Sakamoto Shinichi、Yamada Yasutaka、Amiya Yoshiyasu、Sasaki Makoto、Shima Takayuki、Komiya Akira、Suzuki Noriyuki、Akakura Koichiro、Ichikawa Tomohiko、Nakatsu Hiroomi
    • Journal Title

      Asian Journal of Andrology

      Volume: 20 Issue: 5 Pages: 432-432

    • DOI

      10.4103/aja.aja_24_18

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Editorial Comment to Local treatment for metastatic prostate cancer: A systematic review2018

    • Author(s)
      Sakamoto Shinichi
    • Journal Title

      International Journal of Urology

      Volume: 25 Issue: 5 Pages: 403-404

    • DOI

      10.1111/iju.13588

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Biparametric Prostate Imaging, the Reporting and Data System, Version 2, and International Society of Urological Pathology Grade Predict for Biochemical Recurrence After Radical Prostatectomy.2018

    • Author(s)
      Takeuchi N, Sakamoto S, Nishiyama A, Horikoshi T, Yamada Y, Iizuka J, Maimaiti M, Imamura Y, Kawamura K, Imamoto T, Komiya A, Ikehara Y, Akakura K, Ichikawa T.
    • Journal Title

      Clin Genitourin Cancer

      Volume: 「印刷中」 Issue: 4 Pages: e817-e829

    • DOI

      10.1016/j.clgc.2018.02.011

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Duration of androgen deprivation therapy and nadir of testosterone at 20 ng/dL predict testosterone recovery to supracastrate level in prostate cancer patients who received external beam radiotherapy.2018

    • Author(s)
      Takei A, Sakamoto S, Wakai K, Tamura T, Imamura Y, Xu M, Maimaiti M, Kawamura K, Imamoto T, Komiya A, Akakura K, Ichikawa T.
    • Journal Title

      Int J Urol.

      Volume: 25 Issue: 4 Pages: 352-358

    • DOI

      10.1111/iju.13521

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Testosterone Reduction of 480 ng/dL Predicts Favorable Prognosis of Japanese Men With Advanced Prostate Cancer Treated With Androgen-Deprivation Therapy.2017

    • Author(s)
      Yamamoto S, Sakamoto S, Minhui X, Tamura T, Otsuka K, Sato K, Maimaiti M, Kamada S, Takei A, Fuse M, Kawamura K, Imamoto T, Komiya A, Akakura K, Ichikawa T.
    • Journal Title

      Clin Genitourin Cancer

      Volume: 15 Issue: 6 Pages: e1107-e1115

    • DOI

      10.1016/j.clgc.2017.07.023

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 逐次療法下における去勢抵抗性前立腺癌患者cfDNA中アンドロゲン受容体増幅の臨床的意義2020

    • Author(s)
      坂本信一
    • Organizer
      Liquid Biopsy研究会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Prognostic Significance of AR amplification in cell-free DNA of castration-resistant prostate cancer patients.2020

    • Author(s)
      坂本信一
    • Organizer
      3rd Asian Urological Oncology Forum and 12th Annual Meeting of TUOA
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Precision Medicine in Prostate Cancer2019

    • Author(s)
      坂本信一
    • Organizer
      日本臨床腫瘍学会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] PC localized prostate cancer treatment of Choice, Controversial Urology Issue2019

    • Author(s)
      坂本信一
    • Organizer
      11th annual meeting of Taiwan Urological Oncology Association(TUOA)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] PC-Localized prostate cancer treatment choice2018

    • Author(s)
      Shinichi Sakamoto
    • Organizer
      2nd AUOF and the 11th annual meeting official Invitation of TUOA
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Treatment strategy of Japanese advanced prostate cancer patients based on serum testosterone level2018

    • Author(s)
      Shinichi Sakamoto
    • Organizer
      The Japan Society of Andrology The37th
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 前立腺がんの個別化治療2018

    • Author(s)
      坂本信一
    • Organizer
      第77回日本癌学会学術総会
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Testosterone Reduction of 480 ng/dL Predicts Favorable Prognosis of Japanese Men With Advanced Prostate Cancer Treated With Androgen-Deprivation Therapy.2018

    • Author(s)
      Shinichi Sakamoto, Satoshi Yamamoto,Koji Kawamura,Takashi Imamoto, Akira Komiya, Tomohiko Ichikawa
    • Organizer
      アメリカ泌尿器科学会
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Management of androgen based therapy in prostate cancer, Unique characteristics of Japanese Cystinuria patients.2018

    • Author(s)
      Shinichi Sakamoto
    • Organizer
      Taiwan urological oncology association (TUOA) meeting 24th-25th February 2018 Tungs' Taichung MetroHarbor Hospital Taichung Taiwan
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Treatment strategy of prostate cancer based on testosterone level,2017

    • Author(s)
      Shinichi Sakamoto
    • Organizer
      Asia Urological Oncology Forum 19th August 2017 Kaohsiung Chang Gung Memorial Hospital,Kaohsiung, Taiwan
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Beyond the PSA in treating PC patients2017

    • Author(s)
      ;Shinichi Sakamoto
    • Organizer
      Taiwan Maple Urology Association (TMUA) meeting 7th April 2017 Taipei, Janssen Medical Education 8th April 2017 Kaohsiung
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Book] 前立腺癌MRI診断の最先端 MRIによる前立腺癌被膜外浸潤の予測2019

    • Author(s)
      坂本信一
    • Total Pages
      1335
    • Publisher
      医学図書出版株式会社
    • ISBN
      9784865173451
    • Related Report
      2019 Annual Research Report

URL: 

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

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi