Complementary effects of paeoniflorin and glycrrhizin on intracellular Ca2+ mobilization in the nerve-stimulated skeletal muscle of mice

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  • Dezaki Katsuya
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University
  • Kimura Ikuko
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University
  • Miyahara Kayoko
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University
  • Kimura Masayasu
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University

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タイトル別名
  • Complementary Effects of Paeoniflorin and Glycyrrhizin on Intracellular Ca2+ Mobilization in the Nerve-Stimulated Skeletal Muscle of Mice.

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Effects of paeoniflorin (PF) and glycyrrhizin (GLR), contained in paeony and licorice roots, respectively, on contractile and non-contractile Ca2+ mobilization were examined by measuring the Ca2+-aequorin luminescence (Ca2+ transients) of the nerve-stimulated skeletal muscle of mice in the presence of neostigmine (0.3 μM). PF (0.1-1 mM) prolonged the duration of non-contractile Ca22+ transients, which may induce the desensitization of nicotinic acetylcholine receptor, but did not affect contractile Ca22+ transients. GLR (0.3-1 mM) depressed contractile Ca2+ transients without affecting non-contractile transients. These results suggest that PF and GLR may have complementary effects on intracellular Ca2+ mobilization to block the neuromuscular transmission.

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  • Jpn.J.Pharmacol.

    Jpn.J.Pharmacol. 69 (3), 281-284, 1995

    公益社団法人 日本薬理学会

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