The results show high expression of Notch1 and Jagged1 in Nrf2 overexpression in MCF‐7 and MDA‐MB‐231 breast cancer cells; while Nrf2 knockdown in MCF‐7 and MDA‐MB‐231 cells had the opposite effect (Figure 4A,B). Here, NOTCH1 is linked to breast carcinoma.