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Analysis of bone mass and quality associated with biomechanical property in glucocorticoid osteopathy

Research Project

Project/Area Number 19591425
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Radiation science
Research InstitutionNagasaki University

Principal Investigator

ITO Masako  Nagasaki University, 医学部・歯学部附属病院, 准教授 (10193517)

Co-Investigator(Kenkyū-buntansha) UETANI Masataka  長崎大学, 医歯薬学総合研究科, 教授 (40176582)
池田 恭治  国立長寿医療センター, 運動器疾患研究部, 部長 (00222878)
森 諭史  香川大学, 医学部, 准教授 (00190992)
真柴 賛  香川大学, 附属病院, 講師 (40335857)
網塚 憲生  新潟大学, 学内共同利用施設等, 教授 (30242431)
中野 貴由  大阪大学, 工学研究科, 准教授 (30243182)
Co-Investigator(Renkei-kenkyūsha) IKEDA Kyouji  国立長寿医療センター, 運動器疾患研究部, 部長 (00222878)
MORI Satoshi  聖霊浜松病院, 整形外科, 部長 (00190992)
AMIZUKA Norio  新潟大学学内共同利用施設, 教授 (30242431)
NAKANO Takayoshi  大阪大学, 工学研究科, 教授 (30243182)
MASHIBA Tasuku  香川大学, 講師 (40335857)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords骨質 / ステロイド / 骨強度 / コラーゲン架橋 / 骨構造 / 骨細胞 / ステロイド骨症 / 骨梁構造 / 動物モデル / コラーゲン
Research Abstract

グルチコルチコイド(GC)は、骨密度に対して以上に、骨質を悪化させて骨脆弱化を高めると考えられるが、その実態は明らかにされていない。骨細胞群、骨微細構造、コラーゲン架橋に対してのGCの作用を、同じ症例の同一骨から得られた標本で解析した。結果として、1) 骨細胞アポトーシスを示唆するempty lacunaeの増加を認めた。破骨細胞の増加は認めなかった2) コラーゲン生理的架橋の減少・AGEs架橋の軽度の減少が見られた3) 骨梁構造悪化以上に、最大強度の減少が認められた

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (15 results)

All 2009 2008 2007 2006 Other

All Journal Article (8 results) (of which Peer Reviewed: 5 results) Presentation (5 results) Remarks (2 results)

  • [Journal Article] Coordination of PGC-lb and iron uptake in mitochondrial biogenesis and osteoclast activation2009

    • Author(s)
      Kiyo-aki Ishii, Toshio Fumoto, Kazuhiro Iwai, Sunao Takeshita, Masako Ito, Nobuyuki Shimohata, Hiroyuki Aburatani, ShigeruT aketani, Christopher J Lelliott, Antonio Vidal-Puig, Kyoji Ikeda
    • Journal Title

      Nature Medicine (online March 2009)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Activation of renin-angiotensin system induces osteoporosis independently of hypertension2008

    • Author(s)
      Asaba Y, Ito M, Fumoto T, Watanabe K, Fukuhara R, Takeshita S, Nimura Y, Ishida J, Fukamizu A, Ikeda K
    • Journal Title

      Journal of Bone Mineral research 24

      Pages: 241-25

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Minodronic acid (ONO-5920/YM529)prevents decrease in bone mineral density and bone strength, and improves bone microarchitecture in ovariectomized cynomolgus monkeys2008

    • Author(s)
      Hiroshi Mori, Makoto Tanaka, Ryoji Kayasuga, Taisei Masuda, Yasuo Ochi, Hiroyuki Yamada, Katsuya Kishikawa, Masako Ito, Toshitaka Nakamura
    • Journal Title

      Bone 43

      Pages: 840-848

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ステロイド性骨粗鬆症の骨量・骨質と骨力学特性2007

    • Author(s)
      伊東昌子
    • Journal Title

      リウマチ科 38巻

      Pages: 53-58

    • Related Report
      2008 Final Research Report
  • [Journal Article] ステロイド性骨粗鬆症の骨量・骨質と骨力学特性2007

    • Author(s)
      伊東 昌子
    • Journal Title

      リウマチ科 38

      Pages: 53-58

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Minodronic acid (ONO-5920/YM529) prevents decrease in bone mineral density and bone strength, and improves bone microarchitecture in ovariectomized cynomolgus monkeys

    • Author(s)
      Hiroshi Mori, Masako Ito, et.al.
    • Journal Title

      Bone 43

      Pages: 840-848

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Activation of renin-angiotensin system induces osteoporosis independently of hypertension

    • Author(s)
      Asaba Y, Ito M, et.al.
    • Journal Title

      J Bone Mineral Reseaech 24

      Pages: 241-245

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Coordination of PGC-1b and iron uptake in mitochondrial biogenesis and osteoclast activation Nature Medicine

    • Author(s)
      Kiyo-aki Ishii, Masako Ito, et.al.
    • Journal Title

      (on line)

    • Related Report
      2008 Final Research Report
  • [Presentation] ステロイド骨症における骨量、骨質、骨力学特性2009

    • Author(s)
      伊東昌子
    • Organizer
      第37回九州リウマチ学会
    • Place of Presentation
      長崎
    • Year and Date
      2009-03-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Hip geometry and bone density in Japanese women in relation to fragility fracture2008

    • Author(s)
      Masako Ito
    • Organizer
      The 18th International Bone DensitometryWorkshop
    • Place of Presentation
      Pugnochiuso, Italy
    • Year and Date
      2008-06-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Hip geometry and bone density in Japanese women in relation to fragility fracture2008

    • Author(s)
      Masako Ito
    • Organizer
      The 18th International Bone Densitometry Workshop
    • Place of Presentation
      Pugnochiuso, Italy
    • Year and Date
      2008-06-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] ステロイド骨症における骨質2008

    • Author(s)
      伊東昌子
    • Organizer
      第21回先進リウマチ医学研究会
    • Place of Presentation
      東京
    • Year and Date
      2008-06-10
    • Related Report
      2008 Final Research Report
  • [Presentation] コラーゲン架橋からみた骨脆弱性疾患の共通点-骨粗霧症から関節リウマチ・ステロイド骨症まで2006

    • Author(s)
      斎藤 充
    • Organizer
      第25回日本骨代謝学会
    • Place of Presentation
      大阪
    • Year and Date
      2006-07-21
    • Related Report
      2007 Annual Research Report
  • [Remarks] 伊東昌子時代は骨質の評価へMedical Tribune 2007年10月18日掲載

    • Related Report
      2008 Final Research Report
  • [Remarks] 伊東昌子骨強度には骨密度だけでなく骨質も反映 Medical Tribune 2007年9月27日掲載

    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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