Honey bee propolis is rich in cinnamic acid derivatives. Baccharin and drupanin from Brazilian honey bee propolis are cinnamic acid derivatives that contain prenyl moieties. We previously isolated these two compounds and demonstrated that they induce an apoptotic event in several tumor cell lines.
The human aldo-keto reductase (AKR) 1C3, also known as type-5 17β-hydroxysteroid dehydrogenase and prostaglandin F synthase, has been suggested as a therapeutic target in the treatment of prostate and breast cancers. In this study, AKR1C3 inhibition was examined by Brazilian propolis-derived
This study evaluated the antiproliferative activity of the Brazilian green propolis and Baccharis dracunculifolia extracts and their major compounds artepillin C and baccharin in different tumor cell lines. The lowest IC50 values observed for Brazilian green propolis and B. dracunculifolia extracts
A cell growth inhibitory effect of drupanin and baccharin, ingredients of propolis, was found in human cancer cell lines. These compounds induced apoptosis in the cells characterized by morphological and nucleosomal DNA fragmentation analysis. Their effects were less potent compared with that of
Propolis cinnamic acid derivatives have a number of biological activities including anti-oxidant and anti-cancer ones. In this study, we aimed to elucidate the mechanism of the anti-cancer activity of 3 representative propolis cinnamic acid derivatives, i.e., Artepilin C, Baccharin and Drupanin in
Brazilian propolis is rich in cinnamic acid derivatives and reportedly reduces intestinal inflammation in rodents; however, the underlying mechanisms remain unclear. We hypothesized that the regulation of tight junction (TJ) barrier, Th17 cell differentiation, and/or, macrophage activation by
Propolis, a resinous substance produced by honeybees, possesses various biological actions including anticancer activity towards tumor cells. Recently, the ethanol extract of Brazilian green propolis has been shown to induce autophagy, which is known to be induced in treatment of cancer cells with
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