S C I E N C E A D V A N C E S | R E S E A R C H A R T I C L EC E L L B I O L O G Y Copyright ? 2021 Rab7-harboring vesicles are carriers of the transferrin The Authors, some rights reserved; receptor through the biosynthetic secretory pathway exclusive licensee American Association for the Advancement Maika S. Deffieu1,2*, Ieva Cesonyte2?, Fran?ois Delalande3, Gaelle Boncompain4, of Science. No claim to original U.S. Government Cristina Dorobantu2?, Eli Song5, Vincent Lucansky2§, Aurélie Hi...