Anti-cancer therapeutic benefit of red guava extracts as a potential therapy in combination with doxorubicin or targeted therapy for triple-negative breast cancer cells.
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| Abstract |
Guava extracts purified from leaf and bark have many bio-active molecules with anti-cancer activities. In addition, lycopene-rich extracts obtained from red guava fruit can induce apoptosis in estrogen receptor-positive breast cancers. Triple-negative breast cancer (TNBC) lacks estrogen receptors, progesterone receptors and human epidermal growth factor receptor 2 (HER2) and, therefore, hormone therapy and targeted therapy are not used in the clinic. The purpose of this study was to determine whether red guava fruit extracts can affect the proliferation of TNBC cells. In this study, cell viability was determined by using the MTT assay. Apoptosis and necrosis were analyzed using flow cytometry. Cleaved caspase-3 and PARP were analyzed by western blotting. We found that red guava extracts can, through caspase-3 activation and PARP cleavage signaling, induce apoptotic and necrotic death in TNBC cells. Our results thus show the therapeutic benefit of red guava extracts as a potential cancer treatment for TNBC in combination with doxorubicin or targeted therapy.
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| Authors | Hsiao-Chun Liu, Chien-Chuan Chiang, Ching-Hsiang Lin, Chien-Sheng Chen, Chyou-Wei Wei, Shu-Yu Lin, Giou-Teng Yiang, Yung-Luen Yu |
| Journal | International journal of medical sciences (Int J Med Sci) Vol. 17 Issue 8 Pg. 1015-1022 ( 2020) ISSN: 1449-1907 [Electronic] Australia |
| PMID | 32410830 (Publication Type: Journal Article) |
| Copyright | © The author(s). |
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