The Effect of Glycyrrhetinic Acid on the Action of Aldosterone in Stimulating Sodium Transport in Frog Skin
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概要
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In order to elucidate the mechanism of action of glycyrrhetinic acid in causing the mineralocorticoid excess syndrome, the effect of the agent on the active transport of sodium in frog skin was examined. The rate of active transport was evaluated by a short circuit current using a Ussings chamber. The short circuit current increased significantly after the addition of 10<SUP>-8</SUP> M aldosterone to the incubation media. It remained unchanged or suppressed when either glycyrrhizin or glycyrrhetinic acid was added. The addition of 10<SUP>-6</SUP> M glycyrrhetinic acid in the presence of 10<SUP>-8</SUP> M aldosterone stimulated the short circuit current significantly as compared with the control skin which was treated with aldosterone alone. From these results, glycyrrhetinic acid is thought to potentiate the action of aldosterone and facilitate the active transport of sodium in amphibian epithelium. It is suggested that the pseudoaldosteronism induced by the administration of glycyrrhizin in man may in partbe due to the potentiation of aldosterone action by this drug.
- 社団法人 日本内分泌学会の論文
著者
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Ishikawa San-e
Division Of Endocrinology And Metabolism Department Of Medicine Jichi Medical School
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SAITO TOSHIKAZU
Tokyo Metropolitan Institute of Medical Science
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ISHIKAWA SAN-E
Division of Endocrinology and Metabolism, Jichi Medical School
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