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2011 Fiscal Year Final Research Report

Development of a gene mutation analysis system using photodynamic diagnosis for tumor cells exfoliated in the urine

Research Project

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Project/Area Number 21592057
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Urology
Research InstitutionNara Medical University

Principal Investigator

FUJIMOTO Kiyohide  奈良県立医科大学, 医学部, 准教授 (50264867)

Co-Investigator(Kenkyū-buntansha) HIRAO Yoshihiko  奈良県立医科大学, 医学部, 教授 (00133207)
Project Period (FY) 2009 – 2011
Keywords膀胱癌 / 光力学的診断 / 5-amminolevulinic acid / 尿細胞診 / 遺伝子
Research Abstract

The specificity of conventional urine cytology for bladder cancer is high, whereas the sensitivity toward low-grade/low-stage tumors is unsatisfyingly low. In this study, we developed a fluorescence urine cytology system and a protoporphyrinIX(PpIX)-specific fluorescence positive cell detector based on the mechanism of photodynamic reaction of intracellularly accumulated PpIXthat is induced by 5-aminolevulinic acid exposure. Clinical feasibility of fluorescence cytology and the fluorescence positive cell detector was examined by using urine samples from bladder cancer patients and bladder cancer cell lines comparing with conventional cytology. Besides, we investigated significances of genetic alterations of chromosomes 9 and 17 and FGFR3 of tumor cells in urine specimens. Consequently, the PpIX-specific fluorescence positive cell detector, as well as fluorescence cytology, could detect fluorescence positive cells more sensitively in patients with low-grade/low-stage tumors when compared to conventional cytology. Meanwhile, the genetic alterations of shedding tumor cells in urine were highly detected and fluorescence positive tumors included chromosome 9 loss most frequently, p53 loss in high-grade tumors, and FGFR3 mutations in low-stage tumors in incidence order. Peptide nucleic acid real-time PCR clamping or pyrosequencing could detect the genetic alterations even in less shedding cells sensitively. We are currently promoting the system version-up by adopting micro-electro-mechanical systems for cell sorting and a micro-PCR plate for gene analysis to develop a more practical workstation utilizing the above high through-put micro-flow channel systems. The availability for other fluid samples such as ascites, sputum, or blood is also promising.

  • Research Products

    (19 results)

All 2011 2010 2009

All Journal Article (10 results) Presentation (9 results)

  • [Journal Article] 膀胱癌の光力学的診断-蛍光尿細胞診の有用性-2011

    • Author(s)
      藤本清秀, 三宅牧人, 穴井智, 中井靖, 桑田真臣, 松村善昭, 平尾佳彦
    • Journal Title

      Jpn J Endourol

      Volume: 24 Pages: 14-22

  • [Journal Article] Heme oxygenase-1 promotes angiogenesis in urothelial carcinoma of the urinary bladder2011

    • Author(s)
      Miyake M, Fujimoto K, Anai S, Ohnishi S, Kuwada M, Nakai Y, Inoue T, Matsumura Y, Tomioka A, Ikeda T, Tanaka N, Hirao Y
    • Journal Title

      Oncol Rep

      Volume: 25 Pages: 653-660

  • [Journal Article] 膀胱癌における5-aminolevulinic acidを用いた蛍光膀胱鏡下経尿道的腫瘍切除術および尿中剥離細胞に対する光力学的診断2010

    • Author(s)
      藤本清秀, 松村善昭, 三宅牧人, 千原良友, 近藤秀明, 穴井智, 井上剛志, 平尾佳彦
    • Journal Title

      日本レーザー医学会誌

      Volume: 30 Pages: 399-404

  • [Journal Article] Fibroblast growth factor receptor 3 mutation in voided urine is a useful diagnostic marker and significant indicator of tumor recurrence in non-muscle invasive bladder cancer2010

    • Author(s)
      Miyake M, Sugano K, Sugino H, Imai K, Matsumoto E, Maeda K, Fukuzono S, Ichikawa H, Kawashima K, Hirabayashi K, Kodama T, Fujimoto H, Kakizoe T, Kanai Y, Fujimoto K, Hirao Y
    • Journal Title

      Cancer Sci

      Volume: 101 Pages: 250-258

  • [Journal Article] Clinical significance of heme oxygenase-1 expression in non-muscle-invasive bladder cancer2010

    • Author(s)
      Miyake M, Fujimoto K, Anai S, Ohnishi S, Nakai Y, Inoue T, Matsumura Y, Tomioka A, Ikeda T, Tanaka N, Hirao Y
    • Journal Title

      Urol Int

      Volume: 85 Pages: 355-363

  • [Journal Article] Inhibition of heme oxygenase-1 enhances the cytotoxic effect of gemcitabine in urothelial cancer cells2010

    • Author(s)
      Miyake M, Fujimoto K, Anai S, Ohnishi S, Nakai Y, Inoue T, Matsumura Y, Tomioka A, Ikeda T, Okajima E, Tanaka N, Hirao Y
    • Journal Title

      Anticancer Res

      Volume: 30 Pages: 2145-2152

  • [Journal Article] 1-tert-Butyl-3-[6-(3, 5-dimethoxy-phenyl)-2-(4-diethylamino-butylamino)-pyrido[2, 3-d] pyrimidin-7-yl]-urea(PD173074), a selective tyrosine kinase inhibitor of fibroblast growth factor receptor-3(FGFR3), inhibits cell proliferation of bladder cancer carrying the FGFR3 gene mutation along with up-regulation of p27/Kip 1 and G1/G0 arrest2010

    • Author(s)
      Miyake M, Ishii M, Koyama N, Kawashima K, Kodama T, Anai S, Fujimoto K, Hirao Y, Sugano K
    • Journal Title

      J Pharmacol Exp Ther

      Volume: 332 Pages: 795-802

  • [Journal Article] 筋層非浸潤性膀胱癌の基礎と臨床up-date.膀胱癌における非可視粘膜病変に対する生検診断の問題点と展望-random biopsyからphotodynamic selected biopsyへ-2009

    • Author(s)
      藤本清秀, 松村善昭, 三宅牧人, 平尾佳彦
    • Journal Title

      第35回尿路悪性腫瘍研究会記録

      Pages: 47-53

  • [Journal Article] 光力学的診断の泌尿器科領域への応用2009

    • Author(s)
      藤本清秀, 井上啓史, 松山豪泰
    • Journal Title

      明日の治療指針

      Pages: 2-15

  • [Journal Article] siRNA-mediated knockdown of the heme synthesis and degradation pathways : modulation of treatment effect of 5-aminolevulinic acid-based photodynamic therapy in urothelial cancer cell lines2009

    • Author(s)
      Miyake M, Ishii M, Kawashima K, Kodama T, Sugano K, Fujimoto K, Hirao Y
    • Journal Title

      Photochem Photobiol

      Volume: 85 Pages: 1020-1027

  • [Presentation] 5-Aminolevulinic acid-based photodynamic detection for diagnosing urothelial cncer cells in urine sediments2011

    • Author(s)
      Fujimoto K, Miyake M, Anai S, Chihara Y, Hirao Y
    • Organizer
      31st Congress of the Societe Internationale d' Urologie
    • Place of Presentation
      Berlin
    • Year and Date
      2011-11-16
  • [Presentation] Can the photodynamic diagnosis using 5-aminolevulinic acid(ALA) predict how malignant the prostate cancer cells in the urine are, obtained following prostate massage2011

    • Author(s)
      Anai S, Nakai Y, Kuwada M, Miyake M, Tanaka N, Fujimoto K, Hirao Y
    • Organizer
      31st Congress of the Societe Internationale d' Urologie
    • Place of Presentation
      Berlin
    • Year and Date
      2011-11-16
  • [Presentation] Integrated genetic analysis of allelic imbalance and FGFR3 mutation by SNP-based pyrosequencing in urothelial cancer2011

    • Author(s)
      Chihara Y, Fujimoto K, Yoshikawa M, Kuwada M, Miyake M, Anai S, Luo Y, Kuniyasu H, Hirao Y
    • Organizer
      31st Congress of the Societe Internationale d' Urologie
    • Place of Presentation
      Berlin
    • Year and Date
      2011-11-16
  • [Presentation] 前立腺直腸診後における5-ALAによる光力学的診断の癌マーカーとしての有用性2010

    • Author(s)
      穴井智, 三宅牧人, 田中宣道, 藤本清秀, 平尾佳彦
    • Organizer
      第69回日本癌学会
    • Place of Presentation
      大阪市
    • Year and Date
      2010-09-24
  • [Presentation] 尿中FGFR3遺伝子変異検出による表在性膀胱がんの診断と分子標的療法への応用2010

    • Author(s)
      菅野康吉, 三宅牧人, 松本絵里, 前田耕史, 福薗真一, 児玉哲郎, 垣添忠生, 金井弥栄, 藤本清秀, 平尾佳彦
    • Organizer
      第69回日本癌学会
    • Place of Presentation
      大阪市
    • Year and Date
      2010-09-22
  • [Presentation] 膀胱癌の光力学的診断-蛍光尿細胞診の有用性2010

    • Author(s)
      藤本清秀, 三宅牧人, 中井靖, 松村善昭, 穴井智, 平尾佳彦
    • Organizer
      第98回日本泌尿器科学会
    • Place of Presentation
      盛岡市
    • Year and Date
      2010-04-27
  • [Presentation] 前立腺針生検時尿におけるALAを用いた前立腺癌に対する光力学的診断2009

    • Author(s)
      穴井智, 中井靖, 井上剛志, 三宅牧人, 田中宣道, 藤本清秀, 平尾佳彦
    • Organizer
      第59回日本泌尿器科学会中部総会
    • Place of Presentation
      金沢市
    • Year and Date
      2009-10-30
  • [Presentation] New endourological diagnosis of bladder tumor2009

    • Author(s)
      Fujimoto K
    • Organizer
      The 27th World Congress of Endourology & SWL
    • Place of Presentation
      ミュンヘン,ドイツ
    • Year and Date
      2009-10-09
  • [Presentation] 尿路上皮癌細胞株を対象とした5-アミノレブリン酸投与下光線力学的治療の作用増強効果の検討2009

    • Author(s)
      三宅牧人, 石井正純, 小山尚樹, 川島清隆, 児玉哲郎, 菅野康吉, 藤本清秀, 平尾佳彦
    • Organizer
      第68回日本癌学会
    • Place of Presentation
      横浜市
    • Year and Date
      2009-10-02

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Published: 2013-07-31  

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