Fig. 1

Schematics of LRP1 shuttling across brain endothelial cells (a) following either the PACSIN2 or Rab5 pathway and its relationship with multivalent cargo. LPR1 expression in brain endothelial cells (b) as a function of cargo valency. The latter represents the average number of ligands per cargo that interact with LRP1, with n = 1 representing a single peptide. The data are replotted from refs. 31,32