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

Elucidation of bladder cancer recurrence mechanism by accumulation of DNA methylation in urothelium

Research Project

Project/Area Number 17K11135
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Urology
Research InstitutionOsaka International Cancer Institute (2019-2020)
Osaka University (2017-2018)

Principal Investigator

Nagahara Akira  地方独立行政法人大阪府立病院機構大阪国際がんセンター(研究所), その他部局等, 泌尿器科副部長 (90588774)

Co-Investigator(Kenkyū-buntansha) 植村 元秀  大阪大学, 医学系研究科, 講師 (40631015)
藤田 和利  大阪大学, 医学系研究科, 講師 (50636181)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords膀胱癌 / メチル化 / 遺伝子変異 / 再発 / DNAメチル化 / 発がん / エピジェネティクス
Outline of Final Research Achievements

To elucidate the recurrence mechanism of bladder cancer, we planned to investigate the relationship between DNA methylation of specific genes and recurrence using formalin-fixed paraffin-embedded tissue (FFPE) specimens of non-cancerous mucosa in bladder cancer cases. However, it was difficult to extract a sufficient amount of DNA from FFPE.
We changed to a policy of using next-generation sequencing technology that can be examined even with a smaller amount of DNA than the above, and identified multiple gene mutations in the non-cancer mucosa of bladder cancer cases by target sequencing of oncogenes.

Academic Significance and Societal Importance of the Research Achievements

我々は膀胱癌が初発時に癌が存在しない他部位よりしばしば再発することから、非癌粘膜の遺伝子のメチル化などの生物学的変化が再発に関与すると仮説を立て、非癌粘膜に注目して研究を施行した。その結果、膀胱癌患者の非癌粘膜より発がんに関与すると予測される複数の遺伝子変異を見いだした。更なる検討が必要ではあるが、これらの結果より膀胱癌再発に関連するDNAメチル化による遺伝子変異を証明することができれば、有効な再発予防治療の開発の一助となりうる。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2022-01-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi