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. 2019 Mar 29;10:617. doi: 10.3389/fimmu.2019.00617

Table 1.

Co-stimulatory and inhibitory receptors of the immunoglobulin superfamily and TNFR family.

Inhibitory molecules Co-stimulatory molecules
Family Molecule Ligand Family Molecule Ligand
IgSF PD-1 PDL1 IgSF CD28 CD80
PDL2 CD86
CTLA-4 CD80 ICOS ICOSL
CD8 TNFRSF HVEM BTLA
BTLA HVEM LIGHT
Tim3 Galectin-9 4-1BB 4-1BBL
TIGIT PVR OX40 OX40L
CD155 CD27 CD70
CD112 CD30 CD30L
Lag3 MHCII CD40 CD40L
CD160 HVEM GITR GITRL