Affiliation:
1. Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
2. Graduate University of Science and Technology, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
3. Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology (VAST), Haiphong, Vietnam
4. Institute of Biotechnology, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
Abstract
A new sterol (1) and 8 known (2-9) compounds were isolated from the methanol extract of the Vietnamese marine sponge Halichondria panicea (Pallas, 1766) by various chromatographic methods. Their chemical structures were determined as 5 α,6 α-epoxy-(22 E)-ergosta-3 β,7 α-diol-8,22,25-triene (1), (22 E)-ergosta-7,22,25-triene-3 β,5 α,6 β-triol (2), 3 β-hydroxycholest-5ene-7-one (3), cholesterol sulfate (4), 3-formamidotheonellin (5), para-hydroxybenzylideneacetone (6), indole-3-carbaldehyde (7), thymidine (8), and adenosine (9) by using a combination of HR-ESI-MS, 1D and 2D NMR spectral data, as well as by comparison with the previous literature. This is the first report of these compounds from H panicea. Compounds 1 and 2 exhibited cytotoxic effects on Hep-G2, SK-Mel-2, LU-1, and MCF-7 cell lines with IC50 values of 9.27 ± 1.25, 11.34 ± 1.18, 15.45 ± 1.47, and 10.85 ± 1.19 µM (for 1), and 6.45 ± 0.77, 9.74 ± 1.03, 7.08 ± 0.64, 5.61 ± 0.39 µM (for 2), compared to the positive control compound, ellipticine, 1.60 ± 0.37, 2.53 ± 0.51, 1.82 ± 0.20, and 2.17 ± 0.66 µM, respectively.
Funder
Vietnam Academy of Science and Technology
Subject
Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine
Cited by
1 articles.
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