Bioactive new withanolides from the cultured soft coral Sinularia brassica

Chiung Yao Huang, Atallah F. Ahmed, Jui Hsin Su, Ping Jyun Sung, Tsong Long Hwang, Pei Lun Chiang, Chang Feng Dai, Chih Chuang Liaw, Jyh Horng Sheu*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

21 Scopus citations

Abstract

Continuing study of the ethyl acetate (EtOAc) extract of the cultured soft coral Sinularia brassica afforded five new withanolides, sinubrasolides H–L (1–5). The structures of the new compounds were elucidated on the basis of spectroscopic analysis. The cytotoxicities of new compounds 1–5 and a known compound sinubrasolide A (6) against the proliferation of a limited panel of cancer cell lines were assayed. The anti-inflammatory activities of compounds 1–6 were evaluated by measuring their ability to suppress N-formyl-methionyl-leucyl-phenyl-alanine/cytochalasin B (fMLP/CB)-induced superoxide anion generation and elastase release in human neutrophils.

Original languageEnglish
Pages (from-to)3267-3271
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume27
Issue number15
DOIs
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

  • Anti-inflammatory activity
  • Cytotoxicity
  • Sinularia brassica
  • Soft coral
  • Withanolide

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