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1999 Fiscal Year Final Research Report Summary

Application of cyclopropane fatty acid in heart mitochondria to determine the time after death.

Research Project

Project/Area Number 10670383
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Legal medicine
Research InstitutionThe University of Tokyo

Principal Investigator

IWASE Hirotaro  University of Tokyo, Graduate School of Medicine, Lecturer, 大学院・医学系研究科, 講師 (30272420)

Co-Investigator(Kenkyū-buntansha) TAKATORI Takehiko  National Research Institute of Police Science, Chief, 所長(研究職) (30001928)
Project Period (FY) 1998 – 1999
Keywordsmitochondria / cyclopropane fatty acid / forensic medicine
Research Abstract

1) We found that when mitochondria of bovine heart was degraded by oxidants, some kinds of hydroxy, keto, and epoxy compounds of linoleic acid was formed.
2) We found C-17 cyclopropane fatty acid in the sn-2 position of phspholipids which constitute mitochondrial membrane, and it also existed in cell membranes and microsomes of human heart, liver and rat liver.
3) Free C-17 cyclopropane fatty acid was found in the sera of cadavers, whereas it was not found in those of healthy living persons.
4) No relationships between the times after death and cyclopropane fatty acid concentrations in human sera was found.
5) We found that C-17 cyclopropane fatty acid inhibited the contraction of cardiac papillary muscles.

Research Products

(10 results)

All Other

All Publications (10 results)

  • [Publications] Iwase, H.: "Calcium ions potentiate lipoxygenase activity of cytochrome c at the physiological pH"Biochemical and Biophysical Research Communications. 243(2). 485-491 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Iwase, H.: "Formation of keto and hydroxy compounds of linoleic acid in submitochondrial particles of bovine heart..."Free Radical Biology and Medicine. 24(9). 1492-1503 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Iwase, H.: "Calcium is required for quasi-lipoxygenase activity of hemoproteins"Free Radical Biology and Medicine. 25(8). 943-952 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Sakurada, K.: "Identification of cis-9,10-methylenehexadecenoic acid in submitochondrial particles of bovine heart"Biochimica et Biophysica Acta. 1437. 214-222 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ueyama, T.: "Emotional stress induces immediate-early gene expression in rat heart via activation of alpha- and beta-adrenoceptors"Am J Physiol.. 277. H1553-1561 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 原田一樹: "「虚血神経細胞死」(分担執筆)監修 金澤一郎等"サイメッドパブリケーションズ. 8 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Iwase, H.: "Calcium ions potentiate lipoxygenase activity of cytochrome c at the physiological pH."Biochem. Biophys. Res. Commun.. 243. 485-491 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Iwase, H.: "Formation of keto and hydroxy compounds of linoleic acid in submitochondrial particles of bovine heart."Free Rad. Biol. Med.. 24. 1492-1503 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Iwase, H.: "Calcium is required for quasilipoxygenase activity of hemoproteins"Free Rad. Biol. Med.. 25. 943-952 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sakurada, K.: "Identification of cis-9, 10-methylenehexadecenoic acid in submitochondrial particles of bovine heart."Biochim. Biophys. Acta. 1437. 214-222 (1999)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2001-10-22  

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