The MDA-MB-231, MDA-MB-453 and MDA-MB-468 human BC cell lines were incubated in L15 medium (LA9510; Beijing Solarbio Science & Technology Co., Ltd.) containing 10% FBS (SH30084.03; HyClone; Cytiva), 1% penicillin (C8251; Beijing Solarbio Science & Technology Co., Ltd.) and 1% streptomycin (S8290; Beijing Solarbio Science & Technology Co., Ltd.) in a 37°C, 5% CO2 incubator. The MCF-7 and ZR-75-1 cells were cultured with Minimum Essential Medium (MEM; 41500; Beijing Solarbio Science & Technology Co., Ltd.) containing 10% FBS, 1% penicillin (C8251; Beijing Solarbio Science & Technology Co., Ltd.) and 1% streptomycin (S8290; Beijing Solarbio Science & Technology Co., Ltd.) and RPMI-1640 (31800; Beijing Solarbio Science & Technology Co., Ltd.) medium containing 10% FBS, 1% penicillin (C8251; Beijing Solarbio Science & Technology Co., Ltd.) and 1% streptomycin (S8290; Beijing Solarbio Science & Technology Co., Ltd.) in a 37°C, 5% CO2 incubator, respectively. The MCF-10A cells were cultured in Mammary Epithelium Basal Medium (CC-3150; iCell Bioscience, Inc.) in a 37°C, 5% CO2 incubator. The MDA-MB-231, MDA-MB-453, MDA-MB-468, MCF-7 and MCF-10A cells were purchased from iCell Bioscience, Inc. The ZR-75-1 cells were purchased from Procell Life Science & Technology Co., Ltd.
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