Effects of Quorum Sensing Systems on Regulatory T Cells in Catheter-Related Pseudomonas aeruginosa Biofilm Infection Rat Models

Figure 2

Histopathological changes in the lung of rats. On the seventh day of infection with biofilm-covered tube intubation: control group (a), PAO1 group (b), ΔlasIΔrhlI group (c), and ΔlasRΔrhlR group (d). H&E stain, original magnification, ×100.

(a)

(b)

(c)

(d)