Cerasoidine, a Bis-aporphine Alkaloid Isolated from Polyalthia cerasoides during Screening for Wnt Signal Inhibitors

Takumi Shono, Naoki Ishikawa, Kazufumi Toume, Midori A. Arai, Hyuma Masu, Takashi Koyano, Thaworn Kowithayakorn, Masami Ishibashi

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A new bis-aporphine alkaloid, cerasoidine (1), was isolated from the root extract of Polyalthia cerasoides together with the known bis-aporphine bidebiline E (2) during screening for compounds with Wnt signal inhibitory activities. The structure of cerasoidine (1) was established by X-ray analysis and shown by chiral HPLC analyses and electronic circular dichroism to be a 57:43 mixture of R(-)- and S(+)-atropisomers. Bidebiline E (2) exhibited inhibition of transcriptional activity of TCF/β-catenin with an IC50 value of 20.2 μM and was also found to inhibit Wnt signaling by decreasing nuclear β-catenin.

Original languageEnglish
Pages (from-to)2083-2088
Number of pages6
JournalJournal of Natural Products
Volume79
Issue number8
DOIs
Publication statusPublished - 2016 Aug 26
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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