Table 1.

Cellular vehicles and their applications.

Cell types	Loading methods	Target tissues	Cargo
leukocytes	phagocytosis, surface deposition/modification	plaques, various tumors	genes, nanoparticles, small molecules
RBCs	encapsulation, surface deposition/modification	lungs, various tumors	enzymes, nanoparticles, small molecules
SCs	internalization, surface deposition/modification	brain, various tumors	genes, nanoparticles, small molecules