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- W3186642092 abstract "Copper complex has been gaining much attention in anticancer research as a targeted agent since cancer cells uptake more copper than non-cancerous cells. Our group synthesised a ternary copper complex, which is composed of 1,10-phenanthroline and tyrosine [Cu(phen)(L-tyr)Cl].3H20. These two payloads have been designed to cleave DNA and inhibit protein degradation system (proteasome) concurrently in cancer cells, making this copper complex a dual-target compound.The current study was carried out to investigate the mode of cell death and the role of autophagy induced by [Cu(phen)(L-tyr)Cl].3H20 in MCF-7 and MDA-MB-231 breast cancer cells.Growth inhibition of [Cu(phen)(L-tyr)Cl].3H20 towards MDA-MB-231 and human non-cancerous MCF10A breast cells was determined by MTT assay. Annexin-V-FITC/PI and cell cycle analysis were evaluated by flow cytometry. The expression of p53, Bax, caspase-9, caspase-7, caspase-3 and LC3 was determined using western blot analysis. The cells were then co-treated with hydroxychloroquine to ascertain the role of autophagy induced by [Cu(phen)(L-tyr)Cl].3H20.[Cu(phen)(L-tyr)Cl].3H20 inhibited the growth of cancer cells dose-dependently with less toxicity towards MCF10A cells. Additionally, [Cu(phen)(L-tyr)Cl].3H20 induced apoptosis and cell cycle arrest towards MCF-7 and MDA-MB-231 breast cancer cells possibly via regulation of p53, Bax, caspase-9, caspase-3 and capase-7. The expression of LC3II was upregulated in both cancer cell lines upon treatment with [Cu(phen)(L-tyr) Cl].3H20, indicating the induction of autophagy. Co-treatment with autophagy inhibitor hydroxychloroquine significantly enhanced growth inhibition of both cell lines, suggesting that autophagy induced by [Cu(phen)(L-tyr) Cl].3H20 in both breast cancer cells promoted cell survival.[Cu(phen)(L-tyr)Cl].3H20 holds great potential to be developed for breast cancer treatment." @default.
- W3186642092 created "2021-08-02" @default.
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- W3186642092 date "2022-04-01" @default.
- W3186642092 modified "2023-09-26" @default.
- W3186642092 title "Induction of Apoptosis and Autophagy by Ternary Copper Complex Towards Breast Cancer Cells" @default.
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- W3186642092 doi "https://doi.org/10.2174/1871520621666210726132543" @default.
- W3186642092 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34315396" @default.
- W3186642092 hasPublicationYear "2022" @default.
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