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Development of a drug-indueible ghrelinoma model mouse to elucidate the chronic effects of ghrelin and to establish a ghrelmoma cell line

Research Project

Project/Area Number 19790647
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Endocrinology
Research InstitutionKyoto University

Principal Investigator

IWAKURA Hiroshi  Kyoto University, 大学院・医学研究科, 助教 (20378615)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,690,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywordsグレリン / トランスジェニックマウス / 腫瘍
Research Abstract

今回、作製を試みた薬剤誘導性のグレリン細胞腫瘍化マウスは、十分な発現レベルを得られず、グレリン細胞の腫瘍化を確認できなかった。しかし、従来から作製を試みてきた薬剤誘導性ではない、グレリン細胞腫瘍化マウスの作製に成功した。このマウスでは、最大で対照マウスの10倍程度の血中グレリン濃度の上昇を認めた。それに伴い、血清IGF-I値の上昇が認められ、血中グレリンの慢性的な上昇によりGH-IGF-I軸が刺激されたことが示唆された。今後、さらに細胞株の樹立を目指す。

Report

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

    (20 results)

All 2008 2007

All Journal Article (14 results) (of which Peer Reviewed: 14 results) Presentation (6 results)

  • [Journal Article] for the OA-THR Clinical Study Team Effects of ghrelin treatment in patients undergoing total hip replacement for osteoarthritis: Different outcomes from studies in patients with cardiac and pulmonary cachexia2008

    • Author(s)
      Akamizu T, Iwakura H, Ariyasu H, Murayama T, Sumi E, Teramukai S, Goto K, Ohnishi E, Akiyama H, Kawanabe K, Nankaku M, Ichihashi N, Tsuboyama T, Tamai K, Kataoka M, Nakamura T, Kangawa K
    • Journal Title

      J Am Geriatr Soc 56(12)

      Pages: 2363-5

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Establishment of a novel neuroblastoma mouse model2008

    • Author(s)
      Iwakura H, Ariyasu H, Kanamoto N, Hosoda K, Nakao K, Kangawa K, Akamizu T.
    • Journal Title

      Int J Oncol 33(6)

      Pages: 1195-9

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Efficacy of Ghrelin as a therapeutic approach for age-related physiologic changes2008

    • Author(s)
      Ariyasu H, Iwakura H, Yamada G, Nakao K, Kangawa K, Akamizu T
    • Journal Title

      Endocrinology 149(7)

      Pages: 3722-8

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Repeated administration of ghrelin to patients with functional dyspepsia: its effects on food intake and appetite2008

    • Author(s)
      Akamizu T, Iwakura H, Ariyasu H, Hosoda H, Murayama T, Yokode M, Teramukai S, Seno H, Chiba T, Noma S, Nakai Y, Fukunaga M, Nakai Y,Kangawa K, FD Clinical Study Team
    • Journal Title

      Eur J Endocrinol. 158(4)

      Pages: 491-8

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Establishment of a novel neuroblastoma mouse model2008

    • Author(s)
      岩倉浩
    • Journal Title

      Int J Oncol 33

      Pages: 1195-9

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of ghrelin treatment in patients undergoing total hip replacement for osteoarthritis : Different outcomes from studies in patients with cardiac and 〓2008

    • Author(s)
      赤水尚史
    • Journal Title

      J Am Geriatr Soc 56

      Pages: 2363-6

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Efficacy of Ghrelin as a therapeutic approach for age-related uhvsiologic changes2008

    • Author(s)
      有安宏之
    • Journal Title

      Endocrinology 149

      Pages: 3722-8

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Repeated administration of ghrelin to patients with functional dvsnepsia : its effects on food intake and appetite2008

    • Author(s)
      赤水尚史
    • Journal Title

      Eur J Endocrinol 158

      Pages: 491-8

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Rbp-j regulates expansion of pancreatic epithelial cells and their differentiation into exocrine cells during mouse development2007

    • Author(s)
      Fujikura J, Hosoda K, Kawaguchi Y, Noguchi M, Iwakura H, Odori S, Mori E, Tomita T, Hirata M, Ebihara K, Masuzaki H, Fukuda A, Furuyama K, Tanigaki K, Yabe D, Nakao K
    • Journal Title

      Dev Dyn. 236(10)

      Pages: 2779-91

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Genetic and pharmacological inhibition of Rho-associated kinase II enhances adipogenesis2007

    • Author(s)
      Noguchi M, Hosoda K, Fujikura J, Fujimoto M, Iwakura H, Tomita T, Ishii T, Arai N, Hirata M, Ebihara K, Masuzaki H, Itoh H, Narumiya S, Nakao K
    • Journal Title

      J Biol Chem. 282(40)

      Pages: 29574-83

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effects of ghrelin administration on decreased growth hormone status in obese animals2007

    • Author(s)
      Iwakura H, Akamizu T, Ariyasu H, Irako T, Hosoda K, Nakao K, Kangawa K
    • Journal Title

      Am J Physiol Endocrinol Metab. 293(3)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effects of ghrelin administration on decreased growth ho rmone status in obese animals2007

    • Author(s)
      岩倉 浩
    • Journal Title

      American Journal of Physiology Endocrinology and Metabolism 293

      Pages: 819-25

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Genetic and pharmacological inhibition of Rho-associatedkinase II enhances adipogenesis2007

    • Author(s)
      野口倫生
    • Journal Title

      Journal of Biological Chemistry 282

      Pages: 29574-83

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Rbp-j regulates expansion of pancreatic epithelial cells and their differentiation into exocrine cells during mouse development2007

    • Author(s)
      藤倉純二
    • Journal Title

      Developmental Dynamics 236

      Pages: 2779-91

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Effects of ghrelin administration on glucose metabolism and beta cell mass in rats with partial pancreatectomy2008

    • Author(s)
      Iwakura H
    • Organizer
      The endocrine society's 90th annual meeting
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2008-07-17
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] ラット膵部分切除モデルに対するグレリン投与による効果の検討2008

    • Author(s)
      岩倉浩
    • Organizer
      第51回糖尿病学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-05-23
    • Related Report
      2008 Final Research Report
  • [Presentation] ラット膵部分切除モデルに対するグレリン投与による効果の検討2008

    • Author(s)
      岩倉浩
    • Organizer
      第51回日本糖尿病学会年次学術集会
    • Place of Presentation
      東京
    • Year and Date
      2008-05-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] NODマウスへのグレリン長期投与の検討2008

    • Author(s)
      岩倉浩
    • Organizer
      第81回日本内分泌学会学術総会
    • Place of Presentation
      青森
    • Year and Date
      2008-05-16
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 肥満モデル、糖尿病モデルマウスでのグレリン作用の検討2007

    • Author(s)
      岩倉浩
    • Organizer
      第80回日本内分泌学会学術総会
    • Place of Presentation
      東京
    • Year and Date
      2007-06-14
    • Related Report
      2008 Final Research Report
  • [Presentation] 肥満モデル、糖尿病モデルマウスでのグレリン作用の検討2007

    • Author(s)
      岩倉浩
    • Organizer
      内分泌学会
    • Place of Presentation
      東京国際フォーラム
    • Year and Date
      2007-06-14
    • Related Report
      2007 Annual Research Report

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

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