Production of Diiodohydroxyphenylpyruvic Acid from Diiodotyrosine by Nonenzymatic Reaction

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概要

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• The nonenzymatic synthesis of 4-hydroxy-3, 5-diiodophenylpyruvic acid (DIHPPA) from diiodotyrosine is reported in this paper. The reaction was carried out in vitro in the presence of pyridoxal and metal ion. The yield of DIHPPA at 37°C for 2hrs. and at 100°C for 30 mins. were almost the same. Among metal ions used in the present study, Cu<SUP>++</SUP> was found to be most effective. Co<SUP>++</SUP> was also effective, while other ions, Al<SUP>+++</SUP>, Zn<SUP>++</SUP>, Mn<SUP>++</SUP>, Ni<SUP>++</SUP>, Fe<SUP>++</SUP> and Fe<SUP>+++</SUP> were only very slightly effective. The results obtained in this study suggest that the nonenzymatic reaction possibly takes place also <I>in vivo</I>.

• 社団法人 日本内分泌学会の論文

著者

• Sano Kaoru

  Second Department Of Surgery Faculty Of Medicine Kyoto University

• ITO SHUHEI

  Second Department of Internal Medicine, Osaka University Medical School

• SEO KEI

  Second Department of Internal Medicine, Osaka University Medical School

• NISHIKAWA MITSUO

  Second Department of Internal Medicine, Osaka University Medical School

• SANO KAORU

  Second Department of Internal Medicine, Osaka University Medical School

関連論文

• POSTOPERATIVE MANAGEMENT BASED ON REDOX THEORY IN LIVING RELATED LIVER TARNSPLANTATION IN CHILDREN(International Symposium ,第29回日本小児外科学会総会)
• Production of Diiodohydroxyphenylpyruvic Acid from Diiodotyrosine by Nonenzymatic Reaction

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