Abstract
The study of anticancer properties from natural products has regained popularity as natural molecules provide a high diversity of chemical structures with specific biological and medicinal activity. Based on a documented library of the most common medicinal plants used by the indigenous people of North America, we screened and isolated compounds with anti-breast cancer properties from Juniperus communis (common Juniper). Using bioassay-guided fractionation of a crude plant extract, we identified the diterpene isocupressic acid and the aryltetralin lignan deoxypodophyllotoxin (DPT) as potent inducers of caspase-dependent programmed cell death (apoptosis) in malignant MB231 breast cancer cells. Further elucidation revealed that DPT, in contrast to isocupressic acid, also concomitantly inhibited cell survival pathways mediated by the MAPK/ERK and NFκB signaling pathways within hours of treatment. Our findings emphasize the potential and importance of natural product screening for new chemical entities with novel anticancer activities. Natural products research complemented with the wealth of information available through the ethnobotanical and ethnopharmacological knowledge of the indigenous peoples of North America can provide new candidate entities with desirable bioactivities to develop new cancer therapies.
Keywords: Apoptosis, breast cancer, caspase, deoxypodophyllotoxin, ERK, isocupressic acid, Juniperus communis, NFκB.
Anti-Cancer Agents in Medicinal Chemistry
Title:Deoxypodophyllotoxin Isolated from Juniperus communis Induces Apoptosis in Breast Cancer Cells
Volume: 15 Issue: 1
Author(s): Sami Benzina, Jason Harquail, Stephanie Jean, Annie-Pier Beauregard, Caitlyn D. Colquhoun, Madison Carroll, Allyson Bos, Christopher A. Gray and Gilles A. Robichaud
Affiliation:
Keywords: Apoptosis, breast cancer, caspase, deoxypodophyllotoxin, ERK, isocupressic acid, Juniperus communis, NFκB.
Abstract: The study of anticancer properties from natural products has regained popularity as natural molecules provide a high diversity of chemical structures with specific biological and medicinal activity. Based on a documented library of the most common medicinal plants used by the indigenous people of North America, we screened and isolated compounds with anti-breast cancer properties from Juniperus communis (common Juniper). Using bioassay-guided fractionation of a crude plant extract, we identified the diterpene isocupressic acid and the aryltetralin lignan deoxypodophyllotoxin (DPT) as potent inducers of caspase-dependent programmed cell death (apoptosis) in malignant MB231 breast cancer cells. Further elucidation revealed that DPT, in contrast to isocupressic acid, also concomitantly inhibited cell survival pathways mediated by the MAPK/ERK and NFκB signaling pathways within hours of treatment. Our findings emphasize the potential and importance of natural product screening for new chemical entities with novel anticancer activities. Natural products research complemented with the wealth of information available through the ethnobotanical and ethnopharmacological knowledge of the indigenous peoples of North America can provide new candidate entities with desirable bioactivities to develop new cancer therapies.
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Benzina Sami, Harquail Jason, Jean Stephanie, Beauregard Annie-Pier, Colquhoun D. Caitlyn, Carroll Madison, Bos Allyson, Gray A. Christopher and Robichaud A. Gilles, Deoxypodophyllotoxin Isolated from Juniperus communis Induces Apoptosis in Breast Cancer Cells, Anti-Cancer Agents in Medicinal Chemistry 2015; 15 (1) . https://dx.doi.org/10.2174/1871520614666140608150448
DOI https://dx.doi.org/10.2174/1871520614666140608150448 |
Print ISSN 1871-5206 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5992 |
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