Fig. 2

PLGA@M removed the proinflammatory cytokines in vitro. The binding capacity of PLGA@M to recombinant human A IL-6 and B IL-1β (n = 3). C The expression of p-STAT3 protein in macrophages with different treatment was detected by western blot. D Fluorescent images of MPO expression (red) in neutrophils after incubation with IL-1β and PLGA@M. (Scale bar: 50 μm.)