Review Article

Pros and Cons of Antigen-Presenting Cell Targeted Tumor Vaccines

Table 1

Concise overview of the ontogenic, phenotypic, and functional features of the five main DC subtypes: cDC1, cDC2, pDC, LC, and moDC.

cDC1cDC2pDCLCmoDC

OntogenyHSC + Flt3-L, BATF3, NFIL3, and Id2HSC + Flt3-L, RelB, NOTCH2, RBP-J, IRF2, and IRF4HSC + Flt3-L and E2-2Blood residing monocytes + inflammationFetal liver monocytes + CSF1R

Mouse
Other markers
CD8α+/CD103+ cDC
DEC205+
CD4+ CD11b+ cDCSiglecH+ BST2+ pDC
B220+
Langerin+ LCCD11b+ moDCs
CD64, FcγRε, and Ly6c

Human
Other markers
CD141+cDC
CD16 DEC20
CD1c+cDC
CD11
CD123+ pDC
BDCA-2+, BDCA-4+
Langerin+ LC
DEC205, CD1
CD11b+ CD1a+ moDCs
CD24+, CD206+, CD16+, and DC-SIGN

Conserved (besides CD11c and MHC class II) TLR3+ CADM1+ XCR1+ CLEC9A+MHCI SIRPα+TLR TLRE-cadherin+, EpCAM+, and langerin+CD11b+

FunctionsTH1
Cross-presentation
TH2 and TH17
Cross-presentation
IFN-α/β and IFNλ HumoralAdaptable
MOUSE: Treg or TH17
HUMAN: IL-15 promoting CTLs + Cross-presentation
Highly adaptable
(IL-12, IL-23, TNFα, and iNOS)