MAP1LC3B and breast cancer: Monitoring of autophagic flux using an RFP‐GFP‐LC3B kit revealed a significant increase in the number of yellow fluorescent puncta in T‐47D and MCF‐7 cells treated with 6 μm Cd compared with that in control cells, indicating that autophagic clearance is defective in Cd‐treated BC cells (Figure 1R,S).