Abstract: Anastasis is a phenomenon described as a cellular escape from ethanol-induced cell death. Although the relevant mechanism has not yet been fully elucidated, anastasis is thought to play a role in drug resistance in cancer cells. To date, the regulation of anastasis in normal and cancerous cells has not been clarified. The current cancer treatment strategies are expected to selectively attack cancer cells without negatively affecting normal cell proliferation. Inspired by the anti-cancer potential of bee venom, this study is the first to evaluate whether bee venom has similar selectivity in producing an anastatic effect. The results indicated that bee venom induces anastasis in normal cells (Michigan Cancer Foundation-10A (MCF10A), Adult Retinal Pigment Epithelium cell line-19 (ARPE-19), and National Institutes of Health 3T3 cell line (NIH3T3)) but causes irreversible cell death in breast cancer cells (M.D. Anderson-Metastatic Breast-231 (MDA-MB-231) and Michigan Cancer Foundation-7 (MCF7)). Liver cancer (HepG2) cells were moderately more resistant to permanent cell death after bee venom treatment compared to breast cancer cells. However, cisplatin caused permanent non-selective cell death in both normal and cancerous cells. The selectivity indices after bee venom treatment were higher compared to cisplatin. Taken together, bee venom was shown to induce selective anastasis only in normal cells, not in cancer cells, which suggests that bee venom has significant potential in selective cancer therapy, especially for breast cancer, via promoting the recovery and maintenance of viability of normal cells.

Key words: Anastasis; Bee venom; Cancer; Cytotoxicity

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