期刊
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
卷 86, 期 12, 页码 1219-1228出版社
SERBIAN CHEMICAL SOC
DOI: 10.2298/JSC210806085K
关键词
terpenoids; Euphorbiaceae; P-glycoprotein; MDR
资金
- Ministry of Education, Science and Technological Development of the Republic of Serbia [451-03-9//2021-14/200168, 451-03-9/2021-14/200007, 451-03-9/2021-14/200026]
In this study, two new jatrophane diterpenes were isolated from the root of Euphorbia nicaeensis and their antitumor potential was evaluated on various cancer cell lines. The results showed that these compounds have different inhibition effects on cancer cell growth and also inhibit P-glycoprotein.
In the previous study fifteen jatrophane diterpenes were isolated from the Euphorbia nicaeensis latex. Fourteen of them have been shown to be potent P-glycoprotein (P-gp) inhibitor in two MDR cancer cells (NCI-H460/R and DLD1-TxR). The aim of this study was to determine whether and which jatrophane diterpenes can be isolated from the root of the plant, and then to examine their inhibition power on P-glycoprotein of selected cancer cell lines (NCI-H460,DLD1, U87, NCI-H460/R, DLD1-TxR and U87-TxR). Two previously undescribed jatrophane diterpenes were isolated from the root of E. nicaeensis collected in Deliblato Sand (Serbia). The structures of the isolated compounds were determined using 1D and 2D NMR, as well as HRESIMS data. The results obtained by MTT assay showed different antitumor potential of these two jatrophanes. Compound 1 inhibited cell growth of non-small cell lung carcinoma cell lines NCI-H460 and NCI-H460/R, as well as glioblastoma cell lines U87 and U87-TxR, while jatrophane 2 was almost completely inactive in the suppression of cancer cell growth in a given range of concentrations. The obtained results also showed that the isolated compounds have an inhibitory effect on P-glycoprotein, as well as that their inhibitory potential is similar.
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