Gold nanoparticles combined baker’s yeast as a successful approach for breast cancer treatment

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Abstract

Background: Saccharomyces cerevisiae (S. cerevisiae) has been demonstrated in vitro to sensitize several breast cancer cell lines and to be a safe, non-toxic drug with anti-skin cancer action in mice. Furthermore, plasmonic photothermal treatment using gold nanorods has been authorized as a novel method for in vitro and in vivo cancer therapy. Results: When compared to tumor-free rats, the treatment with S. cerevisiae conjugated to gold nanospheres (GNSs) lowered Bcl-2 levels while increasing FasL, Bax, cytochrome c, and caspases 8, 9, and 3 levels. Histopathological results showed changes reflecting the ability of nanogold conjugated heat-killed yeast to induce apoptosis is greater than heat-killed yeast alone as the nanogold conjugated with heat-killed yeast showed no tumor, no hyperplasia, no granulation tissue formation, no ulceration, and no suppuration. Nanogold conjugated with heat-killed yeast-treated breast cancer group displayed normal levels of ALT and AST, indicating relatively healthy hepatic cells. Conclusion: Our results proved that nanogold conjugated heat-killed yeast can initiate apoptosis and can be used as a safe non-invasive method for breast cancer treatment more effectively than the yeast alone. This, in turn, gives us new insight and a future hope for the first time that breast cancer can be treated by non-invasive, simple, safe, and naturally originated method and achieves a hopeful treatment and a novel method for in vivo cancer therapy.

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APA

Elwakkad, A., Gamal el Din, A. A., Saleh, H. A., Ibrahim, N. E., Hebishy, M. A., Mourad, H. H., … Elqattan, G. M. (2023). Gold nanoparticles combined baker’s yeast as a successful approach for breast cancer treatment. Journal of Genetic Engineering and Biotechnology, 21(1). https://doi.org/10.1186/s43141-023-00481-1

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