Probenecid and 25–100 mg/kg baicalin decreased Panx-1, P2Y6 and P2X7 protein expression compared to that in the infection group (p < 0.05) (Figure 3B, C, E, F, H, I) (Panx-1, 25 mg/kg baicalin, no significant difference). This evidence concerns the gene P2RX7 and infection.