Figure 1: A. pleuropneumoniae WT infection induces PAM apoptosis and the release of inflammatory cytokines in vitro.

(A) Annexin V/PI staining of A. pleuropneumoniae WT-infected PAMs; (B) Observation of A. pleuropneumoniae WT-infected PAMs by transmission electron microscopy; (C) Flow cytometry results and fluorescence staining of A. pleuropneumoniae WT-infected PAMs; (D) LDH release of A. pleuropneumoniae WT-infected PAMs; (E) WB results of the activation of the p65 submit; (F) The release of cytokines by A. pleuropneumoniae WT-infected PAMs.