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Toll-like receptors and their ligands
| Receptor | Ligand |
|---|---|
| TLR1 | Triacyl lipopeptides |
| TLR2 | Triacyl lipopeptides, peptidoglycans, lipoteichoic acid |
| TLR3 | Viral double-stranded RNA, poly I:C |
| TLR4 | Lipopolysaccharide, heparan, hyaluronate |
| TLR5 | Bacterial flagellin |
| TLR6 | Diacyl lipopeptides |
| TLR7 | Single-stranded RNA, short double-stranded RNA |
| TLR8 | Single-stranded RNA |
| TLR9 | Unmethylated CpG oligodeoxynucletides |
| TLR10 | Unknown |
| TLR11 | Profilin |
| TLR12 | Unknown |
| TLR13 | Unknown |
