Table 1. Clinically used nanomaterials that activate the innate immune system.
Material | Activation Pathway | References |
---|---|---|
DOXIL | Alternative pathway activation shown to be activated | 5, 16, 23, 24 |
Iron oxide nanoparticles for MRI contrast (Feridex) | Alternative pathway activated. C3b covalently attaches to hydroxyls and amines on the surfaces of the particles 25 | 6 |
PEGylated PLA-based nanoparticles (BIND-014) | Unknown, but hypersensitivity reactions reported in phase II trial (18 of 40 patients with 3 experiencing grade 3 or 4 reaction) | 26 |
Nanoemulsions (alum, MF59, AS04) | Inflammasomes, TLR4 | 11, 14, 15 |