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The mechanism of blood pressure regulation associated with magnesium reabsorption

Research Project

Project/Area Number 16K19034
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field General medical chemistry
Research InstitutionOsaka University

Principal Investigator

Hashizume Osamu  大阪大学, 微生物病研究所, 特任研究員(常勤) (50755692)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywordsマグネシウム / 腎臓 / 血圧 / レニン / CNNM2 / TRPM6 / 再吸収 / 腎臓遠位尿細管 / 血圧調節 / マグネシウム再吸収 / レドックス
Outline of Final Research Achievements

Although the relationship between magnesium and blood pressure homeostasis has been suggested, the mechanism is not clear. In this study, analysis of kidney-specific TRPM6 knockout mice revealed the existence of a blood pressure regulation mechanism coupled to magnesium reabsorption in the renal distal tubule. In addition, analysis in cultured cells revealed that the expression level of TRPM6 was regulated by intracellular magnesium level.

Academic Significance and Societal Importance of the Research Achievements

血圧調節においてナトリウムやカリウムの重要性は広く知られているところであるが、生体内に豊富に存在し様々な生命活動に必要なマグネシウムとの関わりには、疫学的調査に基づくマグネシウムの摂取量と血圧の間での負の相関関係の示唆に留まり、そのメカニズムはよくわかっていなかった。本研究により腎臓遠位尿細管でのマグネシウム再吸収に共役した血圧調節機構の存在が明らかになったことは、高血圧発症メカニズムの全貌を理解する上で重要な発見であるといえ、新たな治療法の開発につながる可能性がある。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (13 results)

All 2020 2019 2018 2017 2016 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 3 results,  Acknowledgement Compliant: 1 results) Presentation (7 results) (of which Int'l Joint Research: 1 results) Remarks (2 results)

  • [Journal Article] Excessive Mg2+ Impairs Intestinal Homeostasis by Enhanced Production of Adenosine Triphosphate and Reactive Oxygen Species.2020

    • Author(s)
      Hashizume O, Funato Y, Yamazaki D, Miki H.
    • Journal Title

      Antioxidant & Redox Signaling

      Volume: in press Issue: 4 Pages: L287-L297

    • DOI

      10.1152/ajplung.00071.2012

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Mice deficient in the Shmt2 gene have mitochondrial respiration defects and are embryonic lethal.2018

    • Author(s)
      Tani H, Ohnishi S, Shitara H, Mito T, Yamaguchi M, Yonekawa H, Hashizume O, Ishikawa K, Nakada K, Hayashi JI.
    • Journal Title

      Sci Rep.

      Volume: 8 Issue: 1 Pages: 425-425

    • DOI

      10.1038/s41598-017-18828-3

    • NAID

      120007134501

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mutations in mitochondrial DNA regulate mitochondrial diseases and metastasis but do not regulate aging.2016

    • Author(s)
      Hayashi JI, Hashizume O, Ishikawa K, Shimizu A.
    • Journal Title

      Curr Opin Genet Dev.

      Volume: 未定 Pages: 63-67

    • DOI

      10.1016/j.gde.2016.03.004

    • NAID

      120007135211

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Mg<sup>2+</sup> Extrusion from Intestinal Epithelia by CNNM Proteins Is Essential for Gonadogenesis via AMPK-TORC1 Signaling in Caenorhabditis elegans2016

    • Author(s)
      Ishii T, Funato Y, Hashizume O, Yamazaki D, Hirata Y, Nishiwaki K, Kono N, Arai H, Miki H.
    • Journal Title

      PLoS Genet.

      Volume: 12 Issue: 8 Pages: e1006276-e1006276

    • DOI

      10.1371/journal.pgen.1006276

    • URL

      https://pure.teikyo.jp/en/publications/2815954c-7f3b-43fd-8b95-972e240bc205

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 細胞内でのマグネシウム蓄積が引き起こす過剰なROSとATP産生2019

    • Author(s)
      橋爪脩
    • Organizer
      ミトコンドリアサイエンスワークショップ2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] 過剰なマグネシウムが引き起こすミトコンドリアでのATPとROSの過剰産生2018

    • Author(s)
      橋爪脩、船戸洋佑、三木裕明
    • Organizer
      第91回 日本生化学会大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 過剰なマグネシウムが引き起こすミトコンドリアでの活性酸素種とATPの過剰産生2018

    • Author(s)
      橋爪脩、船戸洋佑、三木裕明
    • Organizer
      第18回 日本ミトコンドリア学会年会
    • Related Report
      2018 Research-status Report
  • [Presentation] Overproduction of ATP and Reactive Oxygen Species in Mitochondria by Excessive Magnesium2018

    • Author(s)
      Osamu Hashizume, Yosuke Funato, Hiroaki Miki
    • Organizer
      The 13th International Symposium of the Institute Network for Biomedical Sciences
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 細胞内Mg2+の過剰蓄積が活性酸素種(ROS)レベル上昇と線虫の寿命短縮を引き起こす2018

    • Author(s)
      橋爪脩、船戸洋佑、三木裕明
    • Organizer
      新学術領域 酸素生物学・ダイイングコード合同若手会議(2018)
    • Related Report
      2017 Research-status Report
  • [Presentation] CNNM変異体のMg2+恒常性破綻が引き起こす各種異常とそのメカニズム2018

    • Author(s)
      橋爪脩、船戸洋佑、三木裕明
    • Organizer
      関西地区線虫勉強会(2018)
    • Related Report
      2017 Research-status Report
  • [Presentation] Mg2+トランスポーターCNNMは線虫でROSレベルと寿命を調節する2017

    • Author(s)
      橋爪脩、船戸洋佑、三木裕明
    • Organizer
      生命科学系学会合同年次大会
    • Related Report
      2017 Research-status Report
  • [Remarks] 大阪大学微生物病研究所 細胞制御分野

    • URL

      http://www.biken.osaka-u.ac.jp/lab/cellreg/index.html

    • Related Report
      2019 Annual Research Report 2016 Research-status Report
  • [Remarks] 所属研究室HP

    • URL

      http://www.biken.osaka-u.ac.jp/lab/cellreg/index.html

    • Related Report
      2017 Research-status Report

URL: 

Published: 2016-04-21   Modified: 2021-02-19  

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