Jatrophane diterpenoids from the latex of Euphorbia dendroides and their anti-P-glycoprotein activity in human multi-drug resistant cancer cell lines
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Milosavljević, Slobodan M.
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Thirteen jatrophane diterpenoids (1-10, 13-15), three previously isolated (11, 12, 16) and a known tigliane (17) were isolated from the latex of Euphorbia dendroides. The structures and relative configurations of compounds were elucidated by spectroscopic techniques. The P-glycoprotein (P-gp) inhibiting activities of the representative set of jatrophanes (1-6 and 11-16) have been assessed. Jatrophanes 2 and 5 demonstrated the most powerful inhibition of P-gp, higher than R(+)-verapamil and tariquidar in colorectal multi-drug resistant (MDR) cells (DLD1-TxR).
Keywords:Euphorbia dendroides / Euphorbiaceae / Isolation / Jatrophanes / Euphodendrophanes G-S / P-glycoprotein / Multi-drug resistance
Source:Phytochemistry, 2013, 86, 208-217
- Pergamon-Elsevier Science Ltd, Oxford
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- Supplementary material: http://cherry.chem.bg.ac.rs/handle/123456789/2902