Biodegradable NP-induced pathways

Biodegradable NPs*Target receptorsReported signal pathways§Reported protein expression§References
Polymeric NPs:
StarchesTLRs, CLRs, RLRsNF-κBIL-6, IL-1β, TNF-α, CCL2, CCL5, CCL4[15], [16], [17]
Chitin/ChitosanTLR2, CD206, Dectin 1ERK, NF-κB, MAPKIL-2, IFN-γ, IL-10, IL-6, IL-8[19], [24]
PLGAMultiple PRRsERK, NF-κB, MHC-1IL-6, IL-1β, TNF-α, IL-2, IFN-γ, IL-10[27], [28]
Protein NPs:
Virus like particlesTLR7, TLR9, PTXTGF-β, MHC-1, Lectin/classical complement pathways, MAPK, NF-κBIL-1β, TNF-α, CCL2, IL-6[49]
LNPs:
Liposomes and SLNPsTLRs, CD206ERK, MAPK, classical pathway binding to IgG, IgM, C1q, CRPCCL2, IFN-γ, IL-17A, IL-17F[59], [86]

: With or without surface chemistry modifications;

: frequently reported in literature; ERK: extracellular regulated kinase; MAPK: mitogen-activated protein kinase; PTX: pentraxin