期刊
CANCERS
卷 11, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/cancers11122011
关键词
apoptosis; cold atmospheric plasma; breast cancer; genome-wide expression; reactive oxygen species
类别
资金
- Leading Foreign Research Institute Recruitment Program [NRF-2016K1A4A3914113]
- National Research Foundation of Korea - Ministry of Education, Science, and Technology [NRF-2016R1D1A1B01009235]
Paclitaxel (Tx) is a widely used therapeutic chemical for breast cancer treatment; however, cancer recurrence remains an obstacle for improved prognosis of cancer patients. In this study, cold atmospheric plasma (CAP) was tested for its potential to overcome the drug resistance. After developing Tx-resistant MCF-7 (MCF-7/TxR) breast cancer cells, CAP was applied to the cells, and its effect on the recovery of drug sensitivity was assessed in both cellular and molecular aspects. Sensitivity to Tx in the MCF-7/TxR cells was restored up to 73% by CAP. A comparison of genome-wide expression profiles between the TxR cells and the CAP-treated cells identified 49 genes that commonly appeared with significant changes. Notably, 20 genes, such as KIF13B, GOLM1, and TLE4, showed opposite expression profiles. The protein expression levels of selected genes, DAGLA and CEACAM1, were recovered to those of their parental cells by CAP. Taken together, CAP inhibited the growth of MCF-7/TxR cancer cells and recovered Tx sensitivity by resetting the expression of multiple drug resistance-related genes. These findings may contribute to extending the application of CAP to the treatment of TxR cancer.
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