Research Article

Mechanistic Understanding of Cell Recognition and Immune Reaction via CR1/CR3 by HAP- and SiO2-NPs

Figure 2

Scheme of possible mechanisms of HAP-NPs recognition by THP-1. (1) HAP-NPs-Pro: nanoparticles be deposited of activated complement proteins; (2) HAP-NPs: nanoparticles which were not incubated with human serum and were without adhesive protein on the surface; (3) HAP-C: activated complement supernatant after incubation and centrifuge of nanoparticles and human serum ( versus NC group).