Article: Calamusins J-K: new anti-angiogenic sesquiterpenes from Sarcophyton glaucum
Natural product research. 2021 Dec. 17, v. 35, no. 24
2021
Abstract: Chemical investigation of the organic extract of the marine soft coral Sarcophyton glaucum from Red Sea, Egypt, afforded two new hydroazulenes; calamusin J (1) and its hydroperoxide derivative calamusin K (2) in addition to eight known compounds. ... ...
Abstract | Chemical investigation of the organic extract of the marine soft coral Sarcophyton glaucum from Red Sea, Egypt, afforded two new hydroazulenes; calamusin J (1) and its hydroperoxide derivative calamusin K (2) in addition to eight known compounds. Structure of compounds 1-2 were confirmed by intensive NMR and mass spectrometry studies. The coral extract and the obtained compounds were examined against a set of diverse microorganisms. The in vitro anti-cancer properties were assessed against colon (Caco-2) and breast (MCF-7) cell lines together with their exerted cytotoxicity on the immortalized normal epithelium (hTERT-RPE1) cell type. The anti-angiogenic power was also highlighted through suppressing MCF-7 cell migration and the significant inactivation of VEGFR2 enzyme. Compounds 1,2 are the most potent angiogenic inhibitors (represented by 1.2- and 1.4-fold enzyme inactivation, respectively) relative to sorafenib. The polyhydroxy sterol; 5α-3β,6α,11-trihydroxy-24-methyl-9,11-seco-5a-cholest-7-en-9-one (S4) inhibited effectively the growth of Caco-2 and MCF-7 with GI₅₀ of 0.62 and 2.3 µM, respectively. |
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Keywords | Sarcophyton ; breasts ; cell movement ; colon ; corals ; cytotoxicity ; enzyme inactivation ; epithelium ; human cell lines ; mass spectrometry ; research ; sesquiterpenoids ; sterols ; vascular endothelial growth factor receptor-2 ; Egypt ; Red Sea |
Language | English |
Dates of publication | 2021-1217 |
Size | p. 5720-5731. |
Publishing place | Taylor & Francis |
Document type | Article |
ZDB-ID | 2185747-7 |
ISSN | 1478-6427 ; 1478-6419 |
ISSN (online) | 1478-6427 |
ISSN | 1478-6419 |
DOI | 10.1080/14786419.2020.1828404 |
Database | NAL-Catalogue (AGRICOLA) |
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