Browsing by Author "Davids, Hajierah"

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    In vitro analysis of the combinatory effects of novel aminonaphthoquinone derivatives and curcumin on breast cancer progression
    (International Institute of Anticancer Research, 2020-01) Pereira, Melanie C.; Mohammed, Raushaan; Van Otterlo, Willem A. L.; De Koning, Charles B.; Davids, Hajierah
    Background/aim: We previously reported the potential of aminonaphthoquinone derivatives as therapeutic agents against breast and other oestrogen-responsive tumours when combined with curcumin. This study aimed at screening of novel aminonaphthoquinone derivatives (Rau 008, Rau 010, Rau 015 and Rau 018) combined with curcumin for cytotoxic, anti-angiogenic and anti-metastatic effects on MCF-7 and MDA-MB-231 breast cancer cells. Materials and methods: Cytotoxic and anti-angiogenic effects were analysed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and enzyme-linked immunosorbent assay; while anti-metastatic effects were measured using adhesion assay, Boyden chambers and Matrigel. Results: Curcumin combined with Rau 008 elicited marked cytotoxic effects in MCF-7 cells compared with the individual treatments, whereas when it was combined with Rau 015 and with Rau 018, it displayed similar effects in MDA-MB-231 cells. The anti-angiogenic effect of Rau 015 plus curcumin in MCF-7 cells and Rau 018 plus curcumin in MDA-MB-231 cells was more effective than individual treatments, while the metastatic capability of MDA-MB-231 cells was significantly reduced after treatment with the aminonaphthoquinone-curcumin combinations. Conclusion: Aminonaphthoquinones may offer significant promise as therapeutic agents against breast cancer, particularly when combined with curcumin.