CAPE Analogs Induce Growth Arrest and Apoptosis in Breast Cancer Cells
AbstractBreast cancer is the second leading cause of death amongst women worldwide. As a result, many have turned their attention to new alternative approaches to treat this disease. Caffeic acid phenylethyl ester (CAPE), a well-known active compound from bee propolis, has been previously identified as a strong antioxidant, anti-inflammatory, antiviral and anticancer molecule. In fact, CAPE is well documented as inducing cell death by inhibiting NFκB and by inducing pro-apoptotic pathways (i.e., p53). With the objective of developing stronger anticancer compounds, we studied 18 recently described CAPE derivatives for their ability to induce apoptosis in breast cancer cell lines. Five of the said compounds, including CAPE, were selected and subsequently characterised for their anticancer mechanism of action. We validated that CAPE is a potent inducer of caspase-dependent apoptosis. Interestingly, some newly synthesized CAPE derivatives also showed greater cell death activity than the lead CAPE structure. Similarly to CAPE, analog compounds elicited p53 activation. Interestingly, one compound in particular, analog 10, induced apoptosis in a p53-mutated cell line. These results suggest that our new CAPE analog compounds may display the capacity to induce breast cancer apoptosis in a p53-dependent and/or independent manner. These CAPE analogs could thus provide new therapeutic approaches for patients with varying genotypic signatures (such as p53 mutations) in a more specific and targeted fashion. View Full-Text
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Beauregard, A.-P.; Harquail, J.; Lassalle-Claux, G.; Belbraouet, M.; Jean-Francois, J.; Touaibia, M.; Robichaud, G.A. CAPE Analogs Induce Growth Arrest and Apoptosis in Breast Cancer Cells. Molecules 2015, 20, 12576-12589.
Beauregard A-P, Harquail J, Lassalle-Claux G, Belbraouet M, Jean-Francois J, Touaibia M, Robichaud GA. CAPE Analogs Induce Growth Arrest and Apoptosis in Breast Cancer Cells. Molecules. 2015; 20(7):12576-12589.Chicago/Turabian Style
Beauregard, Annie-Pier; Harquail, Jason; Lassalle-Claux, Grégoire; Belbraouet, Mehdi; Jean-Francois, Jacques; Touaibia, Mohamed; Robichaud, Gilles A. 2015. "CAPE Analogs Induce Growth Arrest and Apoptosis in Breast Cancer Cells." Molecules 20, no. 7: 12576-12589.