Abstract
Five new terpenoids (1-5) including two dollabellane-type, one ent-kaurane-type diterpenoids and two sesquiterpenoids were isolated from the Chinese liverwort Lepidozia reptans (L.) Dumort., together with nine known terpenoids (6-14). Their structures were determined on the basis of analysis of MS and NMR spectroscopic data, single-crystal X-ray diffraction and electronic circular dichroism calculations. The selected compounds 1, 2, 6, 7, 9 and 14 were screened for anti-inflammatory activities by the model of LPS-induced nitric oxide (NO) production with macrophage cells, and the mechanism of the active compounds 1 and 2 were further explored.
Keywords:
Anti-inflammatory; Liverworts; Terpenoids.
Copyright © 2018 Elsevier Ltd. All rights reserved.
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Animals
-
Anti-Inflammatory Agents, Non-Steroidal / chemistry
-
Anti-Inflammatory Agents, Non-Steroidal / isolation & purification
-
Anti-Inflammatory Agents, Non-Steroidal / pharmacology*
-
Basic Helix-Loop-Helix Leucine Zipper Transcription Factors / metabolism
-
Cyclooxygenase 2 / metabolism
-
Diterpenes, Kaurane / chemistry
-
Diterpenes, Kaurane / isolation & purification
-
Diterpenes, Kaurane / pharmacology*
-
Hepatophyta / chemistry
-
Interleukin-6 / genetics
-
Interleukin-6 / metabolism
-
Mice
-
NF-kappa B / metabolism
-
Nitric Oxide / metabolism
-
RAW 264.7 Cells / metabolism
-
RNA, Messenger / genetics
-
Sesquiterpenes / chemical synthesis
-
Sesquiterpenes / isolation & purification
-
Sesquiterpenes / pharmacology*
-
Tumor Necrosis Factor-alpha / genetics
-
Tumor Necrosis Factor-alpha / metabolism
Substances
-
Anti-Inflammatory Agents, Non-Steroidal
-
Basic Helix-Loop-Helix Leucine Zipper Transcription Factors
-
Diterpenes, Kaurane
-
Interleukin-6
-
NF-kappa B
-
RNA, Messenger
-
Sesquiterpenes
-
Tumor Necrosis Factor-alpha
-
Tcfe3 protein, mouse
-
Nitric Oxide
-
Cyclooxygenase 2