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Injured Tissue Specific HGF Expression and its Mechanism

Research Project

Project/Area Number 08457171
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Gastroenterology
Research InstitutionMiyazaki Medical College

Principal Investigator

TSUBOUCHI Hirohito  Miyazaki Medical College, Second Department of Internal Medicine, Professor, 医学部, 教授 (60145480)

Co-Investigator(Kenkyū-buntansha) HIRONO Shuichi  Miyazaki Medical College, Second Department of Internal Medicine, Lecturer, 医学部, 講師 (00181222)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥7,200,000 (Direct Cost: ¥7,200,000)
Fiscal Year 1997: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1996: ¥5,600,000 (Direct Cost: ¥5,600,000)
KeywordsHGF / HGF ACTIVATOR / LIVER INJURY / GASTRIC MUCOSAL INJURY / 成熟型HGF / 臓器特異性 / 肝障害モデル / 胃粘膜障害モデル
Research Abstract

We examined the expression of HGF and HGF activator in various organs of carbon tetrachloride (CCl_4)-treated Japanese monkeys and hydrochloric acid (HCl)-administered Japanese monkeys. Japanese monkeys with hepatic injury and gastric mucosal injury were prepared by administration of single intragastric dose of CCl_4 in olive oil and HCl, respectively. HGF and HGF activator protein levels were determined using ELISA for human HGF and HGF activator. Heterogeneity of HGF in the tissues were measured by Western blot analysis using anti-HGF monoclonal antibody. HGF and HGF activator mRNAs were analyzed by northern blot analysis using their cDNAs.
Marked increase in HGF protein level was observed in the liver of CCl_4-treated monkeys, and its slight increase in the spleen. Not only proHGF but also mature HGF increased in those tissues. Increased expression of HGF mRNA level was also found in those tissues. However, there is no significant increase in HGF protein and HGF mRNA in other tissues including kidney and lung. HGF activator and its mRNA was detected only in the liver of both normal and CCl_4-treated monkeys. In addition, activity which processed proHGF to mature HGF was only detected in the CCl_4-injured liver.
HGF protein and HGF mRNA expression in gastric mucosa of HCl-treated monkeys markedly increased. Increase in both proHGF and mature HGF was found in the HCl-injured gastric mucosal tissue and HGF activator mRNA was detected only in the liver as well as CCl_4-treated monkeys.
These results suggest that HGF appears in the liver of monkeys with hepatic injury and in the gastric mucosa of monkeys with gastric mucosal injury that is injured-tissue specific.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (17 results)

All Other

All Publications (17 results)

  • [Publications] Yasushi Shiratori, et al.: "Role of macrophages in regeneration of liver." Digestive Diseases and Science. 41. 1939-1946 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Takuzou Moriyama et al.: "Effects of hepatocyte growth factor(HGF)on human glioma cells in vitro:HGF acts as a motility factor in glioma cells." Int.J.Cancer. 66. 678-685 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Miyata K.et al: "Levels of human Hepatocyte Growth Factor(HGF)in Reritoreal Fluid offer Partial Hepatectomy." Hepato-Gastroenterology. 43. 1594-1600 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Hori T.et al: "Expression of Hepatocyte Growth Factor in Hydrochloride-injured Gastric Injury." (submitted).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yasushi Shiratori, Shuichiro Hongo, Yohko Hikiba, Keiji Ohmura, Tohru nagura, Ken'ichi Okano, Kazuo Kamii, Torao Tanaka, Yutaka Komatsu, Toshimasa Ochiai, Hirohito Tsubouchi and Masao Omata: "Role of macrophages in regeneration of liver. Digestive" Diseases and Sciences. 41. 1939-1946 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Takuzou Moriyama, Hiroaki Kataoka, Kohji Seguchi, Hirohito Tsubouchi and Masashi Koono: "Effects of hepatocyte growth factor (HGF) on human glioma cells in vitro : HGF acts as a motility factor in glioma cells." Int.J.Cancer. 66. 678-685 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Miyata K,taniguchi H,Tsubouchi H,Daikuhara Y,Takahashi T: "Levels of human Hepatocyte Growth Factor (hHGF) in Peritoneal Fluid after Partial Hepatectomy." Hepato-Gastroenterology. 43. 1594-1600 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Hori T,Ishinoda Y,Matsushita R,et al.: "Expression of Hepatocyte Growth Factor in Hydrochloride-induced Gastric Injury" (submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yasushi Shiratori et al.: "Role of macrophages in regeneration if lioer" Digestive Diseases and Sciences. 41. 1939-1946 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] Takuzou Moriyama et al.: "Effects of hepatocyte growth factor(HGF)on human glioma cells in vitro act as a motility factor in glioma cells." Int.J.Cancer. 66. 678-685 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 堀 剛 他: "胃粘膜傷害とHGF" 消化器科. 23. 453-356 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 弘野 修一 他: "消化器病における炎症の分子生物学" 小俣政男監修 国際医書出版, 207 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 坪内 博仁,弘野 修一: "肝・胆脾疾患" 井村祐夫,尾形悦郎,垂井清一郎,高久史麿監修,中山書店, 371 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Yasushi Shiratori: "Role of Macrophages in Regeneration of Liver." Digestive Diseases and Sciences. 41. 1939-1946 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Takuzou Moriyama: "Effects of hepatocyte growth factor(HGF) on human glioma cells in vitro : HGF acts as a motility factor in glioma cells." Int.J.Cancer. 66. 678-685 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 弘野修一: "消化器疾患における炎症の分子生物学" 小俣政男, 207 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 坪内弘仁: "細胞増殖因子.消化器病「胃・腸・食道」 分子メカニズムから病態・診断・治療まで" 管野健太郎,日比紀文,星原芳雄, 213 (1996)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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