Monoterpene Alkaloids from Incarvillea delavayi Bureau et Franchet and Their Inhibition against LPS Induced NO Production in BV2 Cells

被引:2
作者
Shen, Xiu-Ping [1 ]
Chen, Hong [2 ]
Li, Shan-Shan [1 ]
Li, Jia-Yu [3 ]
Li, Xu [1 ]
Zu, Xian-Peng [2 ]
Xu, Xi-Ke [2 ]
Li, Xian [1 ]
Shen, Yun-Heng [2 ]
机构
[1] Kunming Med Univ, Sch Pharm, Kunming 650500, Yunnan, Peoples R China
[2] Naval Med Univ, Sch Pharm, Shanghai 200433, Peoples R China
[3] Fujian Univ Tradit Chinese Med, Coll Tradit Chinese Med, Fuzhou 350000, Peoples R China
关键词
Incarvillea delavayi; monoterpene alkaloid; X-ray diffraction; NMR calculation; nitric oxide; BV2; cell; SESQUITERPENE; UNIQUE; ESTER; DIMER;
D O I
10.1002/cbdv.202101013
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Three new monoterpene alkaloids, delavatines C-E (1-3), along with five known ones (4-8), were separated from the whole plants of Incarvillea delavayi. All compounds were deduced by interpretation of comprehensive NMR spectral data and X-Ray single crystal diffraction, in combination with a quantum chemical calculation of NMR chemical shift coupled with an advanced statistical procedure DP4+. Compounds 1-8 were assessed NO suppressive effect in LPS-stimulated BV2 microglia cells. Compounds 2, 3, 6, and 8 exhibited significant inhibition against NO production in LPS-induced BV2 cells with IC50 values of 25.62, 17.29, 19.94 and 23.88 mu M, stronger than or comparable to the positive control (AG) with IC50 value of 26.13 mu M.
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页数:10
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