【摘 要】
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作者研究了罂粟科植物P.spicata(L.)Bernh.中的(+)-南天竹宁对雄性SD大鼠离体主动脉、心房和输精管的药理作用。实验显示,对内皮完整的大鼠主动脉环,(+)-南天竹宁0.05-0.5μ
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作者研究了罂粟科植物P.spicata(L.)Bernh.中的(+)-南天竹宁对雄性SD大鼠离体主动脉、心房和输精管的药理作用。实验显示,对内皮完整的大鼠主动脉环,(+)-南天竹宁0.05-0.5μmol/L可竞争性地拮抗去氧肾上腺素(PE)和5-羟色胺(5-HT)引起的血管收缩,2μmol/L时,降低PE和5-HT引起的最大收缩。在无Ca2+的高浓度氯
The authors studied the pharmacological effects of (+)-Nantianzhuning of P. spicata (L.) Bernh. on the isolated aorta, atria, and vas deferens in male SD rats. Experiments have shown that, with intact rat aortic rings, (+)-Nantianzhuning 0.05-0.5 μmol/L can competitively antagonize the blood vessels caused by phenylephrine (PE) and serotonin (5-HT). Shrinkage, 2μmol/L, reduce the maximum contraction caused by PE and 5-HT. High concentration of chlorine without Ca2+
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