AKB-4924 enhances neutrophil recruitment in vivo. A Neutrophil recruitment to the site of LPS injection as determined by MPO assay. B H&E stained section of mouse skin injected with LPS and AKB-4924 or LPS and vehicle control, 24 h post-injection in low and high power magnification. Scale bars = 50 µm. C Histological scoring of H&E stained skin sections. * indicates P < 0.05.