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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Anti-inflammatory diterpenes from the seeds of Vitex negundo.

Abstract Source:

Bioorg Med Chem. 2010 Jan 1 ;18(1):175-81. Epub 2009 Nov 12. PMID: 19931461

Abstract Author(s):

Cheng-Jian Zheng, Bao-Kang Huang, Yang Wang, Qi Ye, Ting Han, Qiao-Yan Zhang, Hong Zhang, Lu-Ping Qin

Article Affiliation:

Cheng-Jian Zheng

Abstract:

Phytochemical investigation of a dichloromethane-soluble extract of Vitexnegundo seeds led to the isolation of five labdane diterpenes, negundoins A-E (1-5), a 9,10-seco-abietane diterpene, negundoin F (6), a sandaracopimara-7,15-diene diterpene, negundoin G (7), and two known diterpene derivatives (8, 9). Their chemical structures were elucidated by detailed spectroscopic analyses on the basis of NMR, IR, and MS data. The anti-inflammatory effects of metabolites 1-7 were also evaluated in vitro. Compounds 3 and 5 were among the most potent inhibitors on nitric oxide production by LPS-stimulated RAW 264.7 macrophages, with IC(50) values of 0.12 and 0.23 microM, respectively. Further studies revealed that compounds 3 and 5 (5 microM) significantly reduced the levels of the iNOS protein to 0.40+/-0.13% and 41.02+/-6.02%, respectively, and COX-2 protein to 2.06+/-0.53% and 26.40+/-7.43%, respectively.

Study Type : In Vitro Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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