期刊
FITOTERAPIA
卷 136, 期 -, 页码 -出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2019.104176
关键词
Soft coral; Sinularia sp.; Cembranoids; Diterpenoid; Amyloid-beta (A beta) aggregation; Molecular docking
资金
- Drug Innovation Major Project [2018ZX09711-001-001-009]
- State Key Basic Research Program of the PRC [2018YFC0310903]
- NSFC-Shandong Joint Fund for Marine Science Research Center [U1606403]
- Natural Science Foundation of China [81520108028, 21672230]
- SKLDR/SIMM Project [SIMM1903ZZ-04]
Four new cembranoids (1-4) were isolated from the extracts of a soft coral collected from the sea area near Xisha Island, South China Sea. The structures of these compounds were determined mainly by spectroscopic analyses, with the absolute configuration of 1 being established by X-ray diffraction analysis. In bioassay, compounds 1 and 3 displayed moderate inhibitory activity against A beta(42) aggregation (20.6% and 37.2% inhibition at 10 mu M). The binding mode of 1 with A beta(42) monomer was predicted by molecular docking. In addition, compounds 1 and 3 did not show cytotoxicity against human tumor cell lines (SH-SY5Y, MDA-MB-426, A549, Hep3B, and HT-29) at 100 mu M. Taken together, these cembranoids as new anti-A beta aggregation agents derived from Sinularia sp. provided a new chemical scaffold for anti-Alzhemer's disease drug discovery.
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