CXCL8 and infection: IL-10 expression was significantly higher in ARPE-19 challenged with the MDR-PA at 6 h (10.23-fold vs. 2.57-fold; p = 0.03) along with both IL-6 (12-fold; p = 0.05) and IL-8 (16.71-fold; p = 0.03) at 12 h post-infection, as shown in Figure 8.