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Identification of mechanosensitive channels responded to hypo-osmotic stress in the osteoblast

Research Project

Project/Area Number 22791785
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Functional basic dentistry
Research InstitutionTohoku University

Principal Investigator

YOSHIDA Takashi  東北大学, 大学院・歯学研究科, 助教 (30455795)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords骨芽細胞 / カルシウム / 機械刺激 / チャネル / 機械的刺激
Research Abstract

Mechanical stress plays a vital role in maintaining bone architecture. The process by which osteoblasts convert mechanical signal into biochemical responses leading to bone remodeling is not fully understood. In spite of the significant role of mechanosensitive channels in osteoblast, the molecular identity of mechanosensitive channels remains unknown. When we applied the hypo-osmotic stress in the presence of extracellular Ca^(2+), some cells were responded. But specific TRPV2 or TRPV4 siRNA could not inhibit Ca^(2+)response by hypo-osmotic stress. These results indicate that TRPV2 or TRPV4 channels are not candidate for the hypo-osmotic stress responding channel in osteoblast.

Report

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

    (11 results)

All 2012 2011 2010

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (9 results)

  • [Journal Article] A missense mutation of the gene encoding voltage-dependent sodium channel (Nav1. 1)confers susceptibility to febrile seizures in rats.2010

    • Author(s)
      Mashimo, T., Ohmori, I., Ouchida, M., Ohno, Y., Tsurumi, T., Miki, T., Wakamori, M., Ishihara, S., Yoshida, T., Takizawa, A., Kato, M., Hirabayashi, M., Sasa, M., Mori, Y. and Serikawa, T.
    • Journal Title

      J. Neurosci

      Volume: 30巻 Pages: 5744-5753

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] A missense mutation of the gene encoding voltage-dependent sodium channel (Na_v1.1) confers susceptibility to febrile seizures in rats2010

    • Author(s)
      Mashimo, T., Ohmori, I., Ouchida, M., Ohno, Y., Tsurumi, T., Miki, T., Wakamori, M., Ishihara, S., Yoshida, T., Takizawa, A., Kato, M., Hirabayashi, M., Sasa, M., Mori, Y., Serikawa, T
    • Journal Title

      J.Neurosci.

      Volume: 30 Pages: 5744-5753

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] 鎮静薬ユージノールのTRPV1チャネルに対する効果2012

    • Author(s)
      吉田卓史、菊地尚、高橋かおり、若森実
    • Organizer
      第85回日本薬理学会年会
    • Place of Presentation
      京都
    • Year and Date
      2012-03-16
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] 骨組織における圧力受容機構の解明2011

    • Author(s)
      吉田卓史
    • Organizer
      新世代の生物有機化学研究会2011
    • Place of Presentation
      京都
    • Year and Date
      2011-07-09
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] マウス骨芽細胞MC3T3-E1において剪断応力を受容するTRPチャネル2011

    • Author(s)
      吉田卓史、若森実
    • Organizer
      第84回日本薬理学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2011-03-23
    • Related Report
      2011 Final Research Report
  • [Presentation] マウス骨芽細胞MC3T3-E1において剪断応力を受容するTRPチャネル2011

    • Author(s)
      吉田卓史、若森実
    • Organizer
      第84回日本薬理学会年会
    • Place of Presentation
      横浜(紙上開催)
    • Year and Date
      2011-03-23
    • Related Report
      2010 Annual Research Report
  • [Presentation] Mechanosensitive channels in the clonal mouse osteoblast cell line MC3T3-E12011

    • Author(s)
      Takashi Yoshida, Minoru Wakamori
    • Organizer
      The 4^<th> international symposium for interface oral health science
    • Place of Presentation
      Sendai
    • Year and Date
      2011-03-08
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] TRPM5チャネル活性の脂肪酸による修飾2010

    • Author(s)
      近藤大祐、吉田卓史、菊地尚、小松正志、若森実
    • Organizer
      第61回日本薬理学会北部会
    • Place of Presentation
      札幌
    • Year and Date
      2010-09-10
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] Mechanosensitive TRP channels in the clonal mouse osteoblast cell line MC3T3-E12010

    • Author(s)
      Takashi Yoshida
    • Organizer
      The 5th International Workshop on Nano, Bio and Amorphous Materials
    • Place of Presentation
      刈田郡蔵王町
    • Year and Date
      2010-08-10
    • Related Report
      2011 Final Research Report
  • [Presentation] Mechanosensitive TRP Channels in the Clonal Mouse Osteoblast Cell Line MC3T3-E12010

    • Author(s)
      Takashi Yoshida
    • Organizer
      The 5th International Workshop on Nano, Bio and Amorphous Materials
    • Place of Presentation
      刈田郡蔵王町
    • Year and Date
      2010-08-10
    • Related Report
      2010 Annual Research Report
  • [Presentation] 細胞外環境を感知するセンサータンパク質2010

    • Author(s)
      吉田卓史
    • Organizer
      新世代の生物有機化学研究会2010
    • Place of Presentation
      吹田市
    • Year and Date
      2010-05-22
    • Related Report
      2011 Final Research Report 2010 Annual Research Report

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Published: 2010-08-23   Modified: 2016-04-21  

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