A mobile endocytic network connects clathrin-independent receptor endocytosis to recycling and promotes T cell activation by Compeer, E, Kraus, F, Ecker, M, Redpath, G, Amiezer, M, Rother, N, Nicovich, P, Kapoor-Kaushik, N, Deng, Q, Samson, G, Yang, Z, Lou, J, Carnell, M, Vartoukian, H, Gaus, K, Rossy, J