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1989 Fiscal Year Final Research Report Summary

Diagnosis of amniotic fluid embolism using amniotic fluid-specific marker

Research Project

Project/Area Number 62480345
Research Category

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

Allocation TypeSingle-year Grants
Research Field Obstetrics and gynecology
Research InstitutionAkita University

Principal Investigator

MAKI Masahiro  Department of Obstetrics and Gynecology, Professor, 医学部, 教授 (20003379)

Co-Investigator(Kenkyū-buntansha) SEKINE Kazuko  Department of Obstetrics and Gynecology, Assistant, 医学部, 助手 (60006757)
SOGA Kenji  Department of Obstetrics and Gynecology, Associate proffesor, 医学部, 講師 (70143055)
HIGUCHI Motokazu  Department of Obstetrics and Gynecology, Assistant professor, 医学部, 助教授 (20006779)
Project Period (FY) 1987 – 1989
Keywordsamniotic fluid embolism / somatomedin binding protein / calphobindin / urinary meconium index / fluirescence urinary meconium index / diagnosis
Research Abstract

Final diagnosis of amniotic fluid (AF) embolism has been achieved by only necropsy. Aim of this study is to find out the diagnostic methods without necropsy.
The following methods are the candidates as diagnostic tools for AF embolism.
(1) Detection of particulates in the maternal circulating blood.
When the particulates in AF are detected in the maternal circulating blood, it is a proof of entrance of AF into the maternal circulation.
(2) AF-specific protein
We isolated an AF-specific protein, which has been proved to be somatomedin binding protein (SMBP) from the analysis of amino acid sequence.
(3) Calphobindin (CPB)
CPB was originally isolated from the placenta as an anticoagulant which is richly present in AF. Both SMBP and CPB are the possible marker of AF embolism, when they are increased in the maternal blood.
(4) Urinary meconium index (UMI)
When AF contaminated with meconium enters the maternal circulation, UMI increases.
(5) Fluorecens urinary meconium index (FUMI)
When meconium enters the maternal circulation FUMI increases. Accordingly, increased UMI and FUMI are good indicators for diagnosis of AF embolism

  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] Masaaki Hayakawa,Masahiro Maki: "Coagulation-Fibrinolytic and Kinin-Forming Systems in Toxemia of Pregnancy" Gynecologic and obstetric Investigation. 26. 181-190 (1988)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hideo Yoshizaki,Masahiro Maki,et al.: "Isolation and Characterization of an Anticoagulant Protein from Human Placenta" J.Biochem.105. 178-183 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Akio Iwasaki,Masahiro Maki,et al.: "Structure and Expression of cDNA for Calphobindin II,a Human placental Coagulation Inhibitor" J.Biochem.106. 43-49 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 真木正博,他: "カルシウムリン脂質結合蛋白(Calphobindins)の構造と機能" 血液と脈管. 20. 107-120 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hideo Yoshizaki,Masahiro Maki,et al.: "Structure and Properties of Calphobindin II,an Anticoagulant protein from Human Placenta" J.Biochem. 107. 43-50 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 真木正博,他: "妊娠・分娩時のDIC分子マ-カ-" 産婦人科治療. 60. 87-92 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hideo Yoshizaki: "Isolation and Characterization of an Anticoagulant Protein from Human Placenta" J. Biochem., 105, 178-183, 1989.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Akio Iwasaki: "Structure and Expression of cDNA for Calphobindin II, a Human Placental Coagulation Inhibitor" J. Biochem., 106, 43-49, 1989.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masahiro Maki: "Structures and functions of placental calcium phospholipid binding proteins (Calphobindins)" Blood & Vessel, 20, 107-120, 1989.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hideo Yoshizaki: "Structure and Properties of Calphobindin II, an Anticoagulant Protein from Human Placenta" J. Biochem. 107, 43-50, 1990.

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masahiro Maki: "Molecular markers of DIC during pregnancy and labor" Sanfujinka Chiryo, 60, 87-92, 1990.

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

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Published: 1993-03-26  

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