Novel cycloneolignans from Vernicia fordii with inhibitory effects on over-activation of BV2 cells in vitro.

Abstract:

:Novel natural products 7R, 8R, 7'R, 9'S-verniciasin A (1a), 7S, 8S, 7'S, 9'R- verniciasin A (1b), 7R, 8R, 7'R, 9'S-7'-methoxylverniciasin A (2a) and 7S, 8S, 7'S, 9'R-7'-methoxylverniciasin A (2b) were characterized from the seed capsule of Vernicia fordii. And the unique 9-O-9'-7, 9'-cyclo-8, 1'-neolignan skeleton with a seven-membered ring, was identified by extensive spectroscopic analysis. Further the possible biosynthetic pathway was briefly discussed. Interestingly, 1a, 2a, 1b and 2b all exhibited significant stereoselective inhibitory effects on NO production in LPS-induced BV2 microglia cell. Then the primary mechanism of the bioactivities and stereoselectivity was explored by means of bioassay and molecular docking.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Zhao WH,Li N,Chu Y,Sun T,Wang J,Wang WL,Li JY,Lin B,Chen R,Hou Y

doi

10.1038/s41598-017-14062-z

subject

Has Abstract

pub_date

2017-10-19 00:00:00

pages

13608

issue

1

issn

2045-2322

pii

10.1038/s41598-017-14062-z

journal_volume

7

pub_type

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