New cytotoxic polyacetylene alcohols from the Egyptian marine sponge Siphonochalina siphonella

Dae Won Ki, Ahmed H. El-Desoky*, Chin Piow Wong, Mohamed Abdel-Ghani, Ahmed A. El-Beih, Mineyuki Mizuguchi, Hiroyuki Morita

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Three new polyacetylenic alcohols, siphonellanols A–C (1–3), together with two known polyacetylenic alcohols (4–5), were isolated from the CHCl3-soluble fraction of the methanolic extract of the marine sponge Siphonochalina siphonella, collected in Egypt. The structures of 1–3 were determined by spectroscopic analyses of their 1D-, 2D-NMR, and MS spectra and by comparisons with reported data. The cytotoxicity assay revealed that 1–3 exhibited moderate cytotoxic activities against a human cervical cancer cell line (HeLa), a human breast cancer cell line (MCF-7), and a human lung cancer cell line (A549) with IC50 values ranging from 25.9 to 69.2 μM.

Original languageEnglish
Pages (from-to)409-414
Number of pages6
JournalNatural Medicines
Volume74
Issue number2
DOIs
StatePublished - 2020/03/01

Keywords

  • Cytotoxic
  • Marine sponge
  • Polyacetylene
  • Red Sea
  • Siphonellanol
  • Siphonochalina siphonella

ASJC Scopus subject areas

  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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