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

Selective selection of cancer cells by cooperation of autophagy activation, genomic mutation, and epigenome abnormality

Research Project

Project/Area Number 17K19626
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Research Field Tumor biology and related fields
Research InstitutionNational Cancer Center Japan

Principal Investigator

Fujii Satoshi  国立研究開発法人国立がん研究センター, 先端医療開発センター, ユニット長 (30314743)

Co-Investigator(Kenkyū-buntansha) 鈴木 穣  東京大学, 大学院新領域創成科学研究科, 教授 (40323646)
Project Period (FY) 2017-06-30 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2018: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2017: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Keywordsオートファジー / ゲノム変異 / エピゲノム異常 / 病理学 / がん / ゲノム / エピゲノム
Outline of Final Research Achievements

Multi-omics analysis of four colorectal cancer cell lines (HT-29, SW480, HCT116, DLD-1) with and without RAS, BRAF, and TP53 mutations was conducted and ChIP-seq using histone modification (H3K4me3, H3K9me2, H3K27me3) as an index revealed there was characteristic changes in chromatin structure. In the Fucci-introduced colorectal cancer cell lines, activation of autophagy increased the proportion of cells at G1/S phase.

Academic Significance and Societal Importance of the Research Achievements

がん細胞は、低酸素、低栄養という過酷ながん微小環境下において、選択的淘汰を受けつつ、環境に適合するクローンへと進化を遂げる。その過程で、不要ながん細胞を自食して栄養源とし、生存し得る為のゲノム変異、エピゲノム異常を合わせて獲得することを連動させている可能性がある。本研究は、オートファジーの活性化シグナルの解明のみならず、飢餓応答としてのオートファジーの真の生物学的意義を解明する研究になる。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report

URL: 

Published: 2017-07-21   Modified: 2021-02-19  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi