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Mendelian Randomization Analysis of Pre-diagnostic Plasma Adipokine Levels and Colorectal Cancer Risk

Research Project

Project/Area Number 15K08722
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Epidemiology and preventive medicine
Research InstitutionNational Cancer Center Japan

Principal Investigator

Yamaji Taiki  国立研究開発法人国立がん研究センター, 社会と健康研究センター, 室長 (10466203)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords大腸がん / アディポカイン / メンデルの無作為化法 / コホート研究 / レプチン / アディポネクチン / Mendelian Randomization / FTO遺伝子 / 遺伝子多型解析
Outline of Final Research Achievements

Supported by Grant-in-Aid for Scientific Research C, this researcher conducted a Mendelian randomization analysis for the association of pre-diagnostic plasma adipokine levels with colorectal cancer risk. This researcher observed a positive association between plasma leptin levels and colorectal cancer risk after controlling for known confounding factors. Of interest, the Mendelian randomization analysis revealed that an observed association was not fully explained by unknown confounding factors. These results should be interpreted in light of several limitations of the Mendelian randomization analysis, and further studies are needed to confirm the findings of this study.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (9 results)

All 2018 2017 2016 Other

All Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 5 results,  Open Access: 4 results,  Acknowledgement Compliant: 2 results) Presentation (1 results) (of which Invited: 1 results) Remarks (3 results)

  • [Journal Article] Plasma 25-hydroxyvitamin D concentration and subsequent risk of total and site specific cancers in Japanese population: Large case-cohort study within Japan Public Health Center-based Prospective Study cohort2018

    • Author(s)
      Budhathoki Sanjeev、Hidaka Akihisa、Yamaji Taiki、Sawada Norie、Tanaka-Mizuno Sachiko、Kuchiba Aya、Charvat Hadrien、Goto Atsushi、Kojima Satoshi、Sudo Natsuki、Shimazu Taichi、Sasazuki Shizuka、Inoue Manami、Tsugane Shoichiro、Iwasaki Motoki
    • Journal Title

      BMJ

      Volume: 360 Pages: k671-k671

    • DOI

      10.1136/bmj.k671

    • URL

      https://pure.teikyo.jp/en/publications/bda9cfb0-382e-437b-adca-4ed3d50d7e32

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Association of plasma concentrations of branched-chain amino acids with risk of colorectal adenoma in a large Japanese population2017

    • Author(s)
      Budhathoki S.、Iwasaki M.、Yamaji T.、Yamamoto H.、Kato Y.、Tsugane S.
    • Journal Title

      Annals of Oncology

      Volume: 28 Issue: 4 Pages: 818-823

    • DOI

      10.1093/annonc/mdw680

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Association of plasma C-reactive protein level with the prevalence of colorectal adenoma: the Colorectal Adenoma Study in Tokyo2017

    • Author(s)
      Kigawa Nano、Budhathoki Sanjeev、Yamaji Taiki、Iwasaki Motoki、Inoue Manami、Tsugane Shoichiro
    • Journal Title

      Scientific Reports

      Volume: 7 Issue: 1 Pages: 4456-4456

    • DOI

      10.1038/s41598-017-04780-9

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Alcohol consumption, genetic variants in the alcohol- and folate metabolic pathways and colorectal cancer risk: the JPHC Study2016

    • Author(s)
      Svensson T, Yamaji T, Budhathoki S, Hidaka A, Iwasaki M, Sawada N, Inoue M, Sasazuki S, Shimazu T, Tsugane S
    • Journal Title

      Scientific Reports

      Volume: 6 Issue: 1 Pages: 36607-36607

    • DOI

      10.1038/srep36607

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Vitamin D Receptor Gene Polymorphism and the Risk of Colorectal Cancer: A Nested Case-Control Study.2016

    • Author(s)
      Budhathoki S, Yamaji T, Iwasaki M, Sawada N, Shimazu T, Sasazuki S, Yoshida T, Tsugane S.
    • Journal Title

      PLoS One

      Volume: 11 Issue: 10 Pages: e0164648-e0164648

    • DOI

      10.1371/journal.pone.0164648

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] 生活習慣情報にバイオマーカー情報を加えたがんリスク予測モデルの構築2017

    • Author(s)
      山地 太樹
    • Organizer
      第76回日本癌学会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Remarks] 血中ビタミンD濃度とがん罹患リスクについて

    • URL

      http://epi.ncc.go.jp/jphc/799/8100.html

    • Related Report
      2017 Annual Research Report
  • [Remarks] 血中分枝鎖アミノ酸濃度と大腸腺腫との関連

    • URL

      http://epi.ncc.go.jp/mstudy/491/7888.html

    • Related Report
      2017 Annual Research Report
  • [Remarks] 国立がん研究センター 予防研究グループ 多目的コホート研究

    • URL

      http://epi.ncc.go.jp/jphc/index.html

    • Related Report
      2016 Research-status Report 2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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