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. 2022 Feb 16;9:772380. doi: 10.3389/fcell.2021.772380

FIGURE 7.

FIGURE 7

SLC7A11 is degraded by ubiquitination after IR treatment. MCF-7 (A) and ZR-75-1 (B) cells were pretreated with MG132 (10 μM) or DMSO for 4 h before harvest. (C) MCF-7 cells were transfected with Si-NEDD4L. The protein level of SLC7A11 was analyzed by Western blot. (D) Western blot analysis of WCL and IP samples of IgG or anti-NEDD4L antibody were conducted to detect the interaction between SLC7A11 and NEDD4L. MCF-7 cells were transfected with FLAG-SLC7A11 for 48 h, then treated with IR. MG132 (10 μM) was added into the culture medium for 4 h before harvest. (E) Western blotting analysis of WCL and ubiquitin IP samples were performed with indicated antibody in MCF-7 cells. The cells were treated with MG132 (10 μM) for 4 h before harvest.