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Study on the involvement of platelet in sudden cardiac death

Research Project

Project/Area Number 02670259
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Legal medicine
Research InstitutionOsaka Univrsity

Principal Investigator

YOSHIDA Ken-ichi  Osaka University, Medical School, Lecturer, 医学部, 講師 (40166947)

Co-Investigator(Kenkyū-buntansha) WAKASUGI Choei  Osaka University, Medical School,, 医学部, 教授 (30028378)
Project Period (FY) 1990 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1991: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1990: ¥1,900,000 (Direct Cost: ¥1,900,000)
KeywordsActomyosin / Myocardial Ischemia / Calmodulin / Sudden Cardiac Death / Trauma / Platelet Aggregation / 心筋アクトミオシン / 血小板活性化 / カルパイン / 虚血 / 突然死
Research Abstract

(1)Alteration - of - human myocardiaI actomvsin under various pathoIogicaI conditions
Actomyosins were prepared from myocardia of subjects aged 30-50 years. We found that myosin and toroponin were proteolyzed frequently, associated with the changes in ATPase activity, in subjects who died of ische-mi. c heart disease, but did not find the changes in hypertrophy. - We-did not find'any significant difference between actomyosin preparations from ischemic area and those from non-ischemic area in a single coronary subject who died of ischemic heart disease. -
(2)Histochemical study of myocardial, -calmodulin in dog myocardial'ischea(ii-& sudden cardiac death cases
Localization of calmodulin was observed by immuno-peroxidase inethod. Density of calmodulin was increased in areas with-contraction band, hydrovic change, -or even in area without significant histological changes. This is thought to be-due to the translocation of a calcium binding protein, calmodulin with membrane fractions in response to calcium overload. This method is superior to. the popular methods such as myoglobib stiini-ng and phospho-tungustic acid hematoxylin staining.
(3)Changes in myocardia in various types of trauma
Myocardia of young subjects who died of head injuries, traffic accidents and homicide in an effort to discriminate the involvement of intrinsic and extrinsic factors. Subjects diedof fall, those underwent extensive resuscitation and prolonged status of brain death, showed distinct lesions which were not able to be differentiated from the lesions of intrinsic causes such as ischemia. We also found the usuful 1ness of calmodulin staining which detected the chamges insignificant in conventional histological methods.
(4)Effects of acute alcohol ingestion on platelet aggregation

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (30 results)

All Other

All Publications (30 results)

  • [Publications] Ken-ichi Yoshida et al.: "Effect of sulfhydryl modificatin on age-associated alteralation of actomyosin ATPase activity of human mvocardium." Basic Res Cardiol. 85. 2-9 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Proteolysis of myosin and troponin in human myocardium of elderly subjects." Jpn Heart J. 31. 683-691 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Myoglobin diffusion and actomyosin in single coronary artery case." Jpn J Legal Med. 44. 481-488 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 吉田 謙一: "拡張型心筋症の二突然死剖検例." 日本法医学雑誌. 45. 61-66 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Alpase activity and proteolysis of human myocardial actomyosin in ischemia and hypertrophy" Jpn Heart J. 32. 239-246 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 吉田 謙一: "冠動脈結紮犬における心筋カルモジュリンの組織学的検討" 心筋の構造と代謝. 1河. 523-528 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida and Vivianne T. Nachmias: "Phorbolester stimulates calcium sequestration in saponized human platelets." J. Biol. Chem.262. 16048-16054 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Paradoxical effects of amiloride analogs on protein phosphorylation and serotonin release induced by agonists in human platelets." Biochem. Biophys. Res. Commun.154. 101-107 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Comparison of effect of phorbol 12, 13-myristate acetate and prostaglandin E1 on calcium regulation in human platelets." Biochem. J.249. 487-493 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Age-associated alteraltion of actomyoshin ATPase activity in human myocardium. Calcium sensitivity of Mg2+ATPase activity." Jpn. J. Legal Med.42. 358-362 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Effect of pH and temperature on age-associated alternation of actomyosin ATPase activity of human myocardium." Age. 12. 97-102 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Effect of sulfhydryl modification on age-associated alternation of actomyosin ATPase activity of human myocardium." Basic Res Cardiol. 85. 2-9 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Proteolysis of myosin and troponin in human myocardium of elderly subjects." Jpn Heart J. 31. 683-691 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Myoglobin diffusion and actomyosin in single coronary artery case." Jpn J Legal Med. 44. 481-488 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "ATPase activity and proteolysis of human myocardial actomyosin in ischemia and hypertrophy" Jpn Heart J. 32. 239-246 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Takashi Hineno et al.: "Secretion of sphingolipid hydrolase activator, prosaposin." Biochem Biophys Res Commun. 176. 668-674 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ken-ichi Yoshida et al.: "Histochemical studyt of calmodulin in dog myocardial ischemia and sudden death cases"

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Hideo Ariyosi et al: "Associations of calpain with subcellular organells in platelet activation."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Hideo Ariyosi et al: "Modulation of human platelet Ca2+-ATPase and calcium sequestration by selective calpain cleavage."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Kenーichi Yoshida et al.: "Effect of sulfhydryl modification on ageーassociated alteralation of actomyosin ATPase activity of human mvocardium." Basic Res Cardiol. 85. 2-9 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] Kenーichi Yoshida et al.: "Proteolysis of myosin and troponin in human myocardium of elderly subjects." Jpn Hearr J. 31. 683-691 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] Kenーichi Yoshida et al.: "Myoglobin diffusion and actomyosin in single coronary artery case." Jpn J Legal Med. 44. 481-488 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] 吉田 謙一: "拡張型心筋症の二突然死剖検例" 日本法医学雑誌. 45. 61-66 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] Kenーichi Yoshida et al.: "ATPase activity and proteolysis of human myocardial actomyosin in ischemia and hypertrophy" Jpn Heart J. 32. 239-246 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 吉田 謙一: "冠動脈結紮犬における心筋カルモジュリンの組織学的検討" 心筋の構造と代謝. 13. 523-528 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] kenーichi Yoshida,et al.: "Effect of suefhydryl modification on ageーassociated aeteration of actomyosin ATPase actirty of human myocardium" Basic Res Cardiol. 85. 2-9 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Kenーichi Yoshida,et al.: "Proteolysis of myosin and troponin in human myocardium of eldery subjects" Jpn Heart J. 31. 683-691 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Kenーichi Yoshida,et al.: "Myoglohin diffusion and actomyosin in single coonay artery case" Jpn J Legul Med. 44. 481-488 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Kenーichi Yoshida,et al.: "ATPase actirity and proteolysis of human myocmdial actomyoin in ischemia and hypertropby" Jpn Heart J. 32. (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Hideo Ariyoshi,et al.: "Arreciation of calpain with subcellulai arganelles in platelet activation"

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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