EFFECTS OF ROSE BENGAL ON SERUM LEVELS OF THYROID HORMONES AND THYROID PEROXIDASE ACTIVITY IN MALE MICE.
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概要
- 論文の詳細を見る
The thyrotoxic effect of Rose bengal (RB) (4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt; Food Red No. 105) was examined in male (C57BL/6N × C3H/N) F_1 mice. They were given drinking-water containing RB at levels of 0 (control), 0.125 and 0.250% for 2 weeks. The effect resulted in decreases in serum levels of 3,5,3'-triiodothyronine (T_3) and thyroxine (T_4), and slight increases in serum 3,3',5'-triiodothyronine (rT_3) levels and thyroid weight, but no difference in the values for the body-weight gain, serum thyroid stimulating hormone (TSH) levels and thyroid peroxidase (TPO) activities. However, the in vitro inhibitory effect of RB on TPO activity was observed by addition of RB to the TPO-catalyzed guaiacol oxidation. These results suggest that RB might have weak goitrogenic properties, inhibiting the peripheral conversion of T_4 to T_3 and/or inhibiting TPO to lead a decrease of T_4 and T_3 formation.
- 日本トキシコロジー学会の論文
- 1988-05-25
著者
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Nishimaki-mogami Tomoko
国立医薬品食品衛生研究所 生物薬品部
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Nishimaki-mogami Tomoko
Division Of Medical Chemistry National Institute Of Hygienic Sciences
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Fujii M
Department Of Pharmaceutics Showa College Of Pharmaceutical Sciences
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KUREBAYASHI Hideo
Division of Medical Chemistry, National Institute of Hygienic Sciences
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FUKUOKA Masamichi
Division of Medical Chemistry, National Institute of Hygienic Sciences
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MINEGISHI Ken-ichiro
Division of Medical Chemistry, National Institute of Hygienic Sciences
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TANAKA Akira
Division of Medical Chemistry, National Institute of Hygienic Sciences
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Kurebayashi Hideo
Division Of Medical Chemistry National Institute Of Hygienic Sciences
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Fukuoka Masamichi
Department Of Clinical Pharmacology And Toxicology Showa Pharmaceutical University
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Fukuoka Masamichi
Division Of Medical Chemistry National Institute Of Hygienic Sciences
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Fukuoka M
Department Of Clinical Pharmacology And Toxicology Showa Pharmaceutical University
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Tanaka A
Department Of Physics Kagoshima University
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Minegishi Ken-ichiro
Division Of Medical Chemistry National Institute Of Hygienic Sciences
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Tanaka Akira
Division Of Biological Chemistry And Reference Standards National Institute Of Hygienic Sciences
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Nishimaki-Mogami Tomoko
Division of Functional Biochemistry and Genomics, National Institute of Health Sciences
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TANAKA Akira
Department of Physics, Kagoshima University
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