Inducible nitric oxide synthase inhibitors from Melia azedarach var. japonica

Hak Cheol Kwon, Byeong Gon Lee, Seung Hee Kim, Chil Mann Jung, Sung Youl Hong, Jeung Whan Han, Hyang Woo Lee, Ok Pyo Zee, Kang Ro Lee

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In bioassay-guided search for inducible nitric oxide synthase (iNOS) inhibitory compounds from higher plants of South Korea, two β-carboline alkaloids, 4-methoxy-1-vinyl-β-carboline (1) and 4,8-dimethoxy-1-vinyl-β-carboline (2) have been isolated from the cortex of Melia azedarach var. japonica. The structures of these compounds were elucidated on the basis of spectroscopic data. Compounds 1 and 2 showed marked inhibitory activity of iNOS on LPS- and interferon-γ-stimulated RAW 264.7 cells.

Original languageEnglish
Pages (from-to)410-413
Number of pages4
JournalArchives of Pharmacal Research
Volume22
Issue number4
DOIs
StatePublished - Aug 1999

Keywords

  • 4,8-Dimethoxy-1-vinyl-β-carboline
  • 4-Methoxy-1-vinyl-carboline
  • Inducible nitric oxide synthase
  • Melia azedarach var. japonica

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