Macrophages self-generate and refine chemotactic gradients during migration towards complement C5a. - Kiran A; Thomason PA; Versluis DM; Paschke PI; Donnelly H; Tweedy L; Lilla S; Bravo-Ferrer I; Shergold A; Devlin R; Roberts EW; Insall RH (PLoS biology, 2026)