Capillary Gas Chromatographic Determination of C27-Bile Acids in Biological Samples and Its Application to Urine of a Patient with Zellweger Syndrome

  • KUROSAWA Takao
    Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido
  • SATO Masahiro
    Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido
  • KIKUCHI Fumihiko
    Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido
  • TAZAWA Yusaku
    Department of Pediatrics, Akita University School of Medicine
  • TOHMA Masahiko
    Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido

書誌事項

タイトル別名
  • Capillary Gas Chromatographic Determination of C27-Bile Acids in Biological Samples and Its Application to the Urine of a Patient with Zellweger Syndrome.
  • Capillary Gas Chromatographic Determina

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抄録

Gas chromatographic determination of C27-bile acids was investigated for the study of bile acid biosynthesis and related congenital disorders. The intermediate C27-bile acids in the β-oxidation step and related compounds were conveniently synthesized from the corresponding C24-bile acids as standard samples. The separation of methyl ester-trimethylsilyl ether (Me-TMS) and methyl ester-dimethylethylsilyl ether (Me-DMES) derivatives of the C27-bile acids was carried out by capillary gas chromatography. Then methylene units of the above derivatives were measured. The Me-DMES derivatives were more efficient for the separation of C27-bile acids than the Me-TMS derivatives. The calibration curves for the Me-DMES derivatives of C27-bile acids showed good linearities over the range of 5-200ng; the detection limits were ca. 0.5ng (S/N=5). The relative recoveries from biological samples were 93-105% for all C27-bile acids using 24- nor-chenodeoxycholic acid as an internal standard. An application to the diagnosis of Zellweger syndrome is also discussed.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 12 (6), 839-846, 1996

    社団法人 日本分析化学会

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