To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S4 Time-lapse imaging of PMN pre-treated with ZCL278 (100 μM) for 15 mins and uniformly stimulated with fMLF-Alexa Fluor 488 (50 nM). Multiple intensity projection ~2 μm from the cell’s bottom is presented at the rate of 5 frames/sec. The LTB4–BLT1 axis regulates the polarized trafficking of chemoattractant GPCRs during neutrophil chemotaxis Bhagawat C. Subramanian, Konstadinos Moissoglu, and Carole A. Parent J Cell Sci 2018. 131:None-None; doi: 10.1242/jcs.217422 Download Original Video