Fig. 2

Protein expression in the Nrf2/HO-1 pathway and GPX4, ACSL4 and S100A4 in bMECs. A Changes of Nrf2, Keap1 and HO-1 in bMECs infected with K. pneumoniae. B Changes of GPX4, ACSL4 and S100A4 in bMECs infected with K. pneumoniae. C Ultrastructural observation of bMECs. Compared to the control group, *P < 0.05 and **P < 0.01