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The relationship between angiotensin II and megalin in proteinuria

Research Project

Project/Area Number 22790514
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Applied pharmacology
Research InstitutionOsaka Ohtani University

Principal Investigator

YAMAGATA Masayo  大阪大谷大学, 薬学部, 講師 (50454583)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywordsメガリン / タンパク尿 / アンジオテンシンII / 慢性腎不全 / ロサルタン
Research Abstract

We examined the improvement of proteinuria in the 5/6 nephrectomy model (Nx) and the effect of an association between an AT-1 receptor blocker, losartan (L), and megalin. The proteinuria insignificant decreased to Nx model rat treated with L as compared with Nx model rats. We demonstrated that megalin reduced in Nx model rat kidney by immunohistochemistry using anti-megalin antibody. On the other hands, expression of megalin recovered to sham level in Nx model rat treated with L. Megalin is a multiligand endocytotic receptor involving in the reabsorption of low molecular weight proteins in renal proximal tubule. Accordingly, this data suggest that rescue of megalin expression were contributed to improvement of proteinuria.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (11 results)

All 2013 2012 2011

All Journal Article (3 results) Presentation (8 results)

  • [Journal Article] Sodium-coupled neutral amino acid transporter 4 functions as a regulator of protein synthesis during liver development2013

    • Author(s)
      Kondou H, Kawai M, Tachikawa K, Kimoto A,Yamagata M, Koinuma T, Yamazaki M,Nakayama M, Mushiake S, Ozono K, Michigami T.
    • Journal Title

      Hepatol Res

    • Related Report
      2012 Final Research Report
  • [Journal Article] Role of megalin and the soluble form of its ligand RAP in Cd-metallothionein endocytosis and Cd-metallothionein-induced nephrotoxicity in vivo2012

    • Author(s)
      Onodera A, Tani M, Michigami T, Yamagata M, Min KS, Tanaka K, Nakanishi T, Kimura T
    • Journal Title

      Itoh N.Toxicol Lett

      Volume: 20;212(2) Pages: 91-6

    • Related Report
      2012 Final Research Report
  • [Journal Article] Protective effect of 17β-estradiol on ischemic acute kidney injury through the renal sympathetic nervous systemProtective effect of 17β-estradiol on ischemic acute kidney injury through the renal sympathetic nervous system2012

    • Author(s)
      Tanaka R, Tsutsui H, Kobuchi S, Sugiura T, Yamagata M, Ohkita M, Takaoka M, Yukimura T, Matsumura Y.
    • Journal Title

      Eur J Pharmacol

      Volume: 15;683(1-3) Pages: 270-5

    • Related Report
      2012 Final Research Report
  • [Presentation] 2 次性副甲状腺機能亢進症では、副甲状腺のメガリン発現が低下する2012

    • Author(s)
      今西康雄、山形 雅代 、永田友貴、筒居秀伸、道上敏美、雪村時人、稲葉雅章
    • Organizer
      第23回日本腎性骨症研究会
    • Related Report
      2012 Final Research Report
  • [Presentation] 副甲状腺機能亢進症の進展に伴い副甲状腺メガリン発現は低下する2012

    • Author(s)
      永田友貴、今西康雄、山形 雅代 、道上敏美、雪村時人、稲葉雅章
    • Organizer
      第30回日本骨代謝学会
    • Related Report
      2012 Final Research Report
  • [Presentation] Inaba MAttenuated megalin expression in hyperfunctioning parathyroid glands ? possible role of vitamin D signaling2012

    • Author(s)
      Nagata Y 、Imanishi Y 、Yamagata M 、Kobayashi I、Ishii A、Michigami T、Yukimura T、Arnold A
    • Organizer
      1st Asia-Pacific Bone and Mineral Research Meeting with the ANZBMS 22nd Annual Scientific Meeting
    • Related Report
      2012 Final Research Report
  • [Presentation] Gender difference of ischemia/reperfusion induced acute kidney injury is dependent on renal sympathetic nervous system2011

    • Author(s)
      筒居秀伸
    • Organizer
      日本薬理学会
    • Place of Presentation
      パシフィコ横浜(誌上開催)
    • Year and Date
      2011-03-23
    • Related Report
      2010 Annual Research Report
  • [Presentation] メガリンは病的副甲状腺で発現が低下する2011

    • Author(s)
      山形雅代、今西康雄、永田友貴、筒居秀伸、稲葉雅章、雪村時人
    • Organizer
      第29回日本骨代謝学会学術集会
    • Related Report
      2012 Final Research Report
  • [Presentation] Attenuated megalin expression in hyperfunctioning parathyroid tumors2011

    • Author(s)
      Masayo Yamagata, Yasuo Imanishi, Yuki Nagata, Hidenobu Tsutsui, Masaaki Inaba, Tokihito Yukimura
    • Organizer
      第2回 IOF/ANZBMS/JSBMR(国際骨粗鬆症財団、 オーストラリア・ニュージーランド骨代謝学 会・日本骨代謝学会合同学会)
    • Related Report
      2012 Final Research Report
  • [Presentation] メガリンは病的副甲状腺で低下する2011

    • Author(s)
      山形雅代
    • Organizer
      日本骨代謝学会
    • Place of Presentation
      大阪
    • Related Report
      2011 Annual Research Report
  • [Presentation] Attenuated megalin expression in htperfunctioning parathyroidtumors2011

    • Author(s)
      山形雅代
    • Organizer
      IOF/ANZBMS/JSBMR
    • Place of Presentation
      オーストラリア
    • Related Report
      2011 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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