期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 23, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/ijms232415493
关键词
breast neoplasms; mebendazole; radiotherapy; natural killer cell
资金
- National Research Foundation of Korea (NRF)
- [NRF-2020R1I1A3057533]
- [NRF-2021R1F1A1045436]
In this study, the anticancer effect of the combination of mebendazole (MBZ) and radiotherapy (RT) was evaluated in triple-negative breast cancer (TNBC) cells. The results showed that the combined treatment increased the anticancer effect of RT without additional toxicity. Furthermore, the combination therapy blocked cell cycle progression, induced DNA double-strand breaks, and promoted NK cell-mediated cytotoxicity in TNBC.
Breast cancer is the most commonly diagnosed cancer worldwide and ranks first in terms of both prevalence and cancer-related mortality in women. In this study, we aimed to evaluate the anticancer effect of mebendazole (MBZ) and radiotherapy (RT) concomitant use in triple-negative breast cancer (TNBC) cells and elucidate the underlying mechanisms of action. Breast cancer mouse models and several types of breast cancer cells, including TNBC-derived RT-resistant (RT-R) MDA-MB-231 cells, were treated with MBZ and/or RT. In mice, changes in body weight, renal and liver toxicity, tumor volume, and number of lung metastases were determined. In cells, cell viability, colony formation, scratch wound healing, Matrigel invasion, and protein expression using western blotting were determined. Our findings showed that MBZ and RT combined treatment increased the anticancer effect of RT without additional toxicity. In addition, we noted that cyclin B1, PH2AX, and natural killer (NK) cell-mediated cytotoxicity increased following MBZ + RT treatment compared to unaided RT. Our results suggest that MBZ + RT have an enhanced anticancer effect in TNBC which acquires radiation resistance through blocking cell cycle progression, initiating DNA double-strand breaks, and promoting NK cell-mediated cytotoxicity.
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