Ephedrae herba in Mao-Bushi-Saishin-To inhibits IgE-mediated histamine release and increases cAMP content in RBL-2H3 cells

被引:24
作者
Saito, SY
Maruyama, Y
Kamiyama, S
Nakahata, N
Ohizumi, Y [1 ]
机构
[1] Tohoku Univ, Grad Sch Pharmaceut Sci, Dept Pharmaceut Mol Biol, Sendai, Miyagi 9808578, Japan
[2] Tohoku Univ, Grad Sch Pharmaceut Sci, Dept Cellular Signaling, Sendai, Miyagi 9808578, Japan
关键词
Mao-Bushi-Saishin-To; Ephedrae herba; cAMP; RBL-2H3; cell; histamine release;
D O I
10.1254/jphs.95.41
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Acute effect of Mao-Bushi-Saishin-To (Ma-Huang-Fu-Zi-Xi-Xin-Tang in Chinese: MBS) on histamine release was investigated. The IgE-mediated anaphylaxic response in Wistar rats was significantly suppressed by MBS and Mao. However, Saishin and Bushi had no or little effect on the antigen-mediated anaphylaxic reaction. Mao as well as MBS but not Saishin nor Bushi inhibited IgE-mediated histamine release from rat basophilic leukemia (RBL-2H3) cells. Consistently, MBS and Mao but not Bushi nor Saishin increased cAMP levels in RBL-2H3 cells. However, ephedrine, methylephedrine, and pseudoephedrine, the main components in Mao, did not affect histamine release. From these results, increase of cAMP levels may account for the inhibitory effect of Mao on histamine release. Furthermore, these inhibitory actions of MBS were mainly due to Mao with an ingredient(s) different from ephedrines.
引用
收藏
页码:41 / 46
页数:6
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