Lupane-type triterpenoids from the steamed leaves of Acanthopanax koreanum and their inhibitory effects on the LPS-stimulated pro-inflammatory cytokine production in bone marrow-derived dendritic cells

Jeong Ah Kim, Seo Young Yang, Jung Eun Koo, Young Sang Koh, Young Ho Kim

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Two new compounds, (20R)-3α-hydroxy-29-dimethoxylupan-23,28-dioic acid (1) and 3α-hydroxylup-20(29)-ene-23,28-dioic acid 28-O-[β-d-glucopyranosyl-(1→6)-β-d-glucopyranosyl] ester (2), and eight known lupane-type triterpenoids (3-10), were isolated from steamed leaves of Acanthopanax koreanum. Chemical structures were determined using a combination of spectroscopic analyses and chemical reactivity. Compounds 1-10 were evaluated for their inhibitory activities on lipopolysaccharide (LPS)-stimulated interleukin (IL)-12 production in bone marrow-derived dendritic cells (BMDCs). Compound 1 exhibited inhibitory activity with IC50 value of 26.5 μM on IL-12 production, compared with IC50 value of 29.6 μM for the positive control. Compound 1 also showed significant suppression of LPS-stimulated IL-6 and tumor necrosis factor-alpha (TNF-α) production.

Original languageEnglish
Pages (from-to)6703-6707
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume20
Issue number22
DOIs
StatePublished - 15 Nov 2010

Keywords

  • Acanthopanax koreanum
  • Bone marrow-derived dendritic cells
  • IL-12
  • IL-6
  • Lupane-type triterpenoids
  • TNF-α

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