Recognition of microbial products through TLRs Flashcards
TLR1:TLR2 heterodimer (Provide: Ligands, Cells carrying receptor, and Location of receptor)
Ligands: Lipopeptides/GPI
Cells Carrying Receptor: Monocytes, DCs, Eosinophils, basophils and mast cells
Location: Plasma membrane
TLR2: TLR6 heterodimer
Ligands: Lipoteichoic Acid/Zymosan
Cells Carrying Receptor: Monocytes, DCs, eosinophils, basophils, mast cells
Location: Plasma membrane
TLR 3
Ligands: Double stranded viral RNA
Cells Carrying Receptor: NK cells
Location: Endosomes
TLR4:TLR4 homodimer
Ligands: lipopolysacchride
Cells Carrying Receptor: Macrophages, DCs, mast cells, eosinophils
Location: Plasma membrane
TLR5
Ligands: flagellin
Cells Carrying Receptor: intestinal epithelium
Location: plasma membranes
TLR7
Ligands: Single-stranded viral RNAs
Cells Carrying Receptor: Plasmacytoid dendreitic cells, NK cells, eosinophils, B cells
Location: Endosomes
TLR8
Ligands: Single stranded viral RNA
Cells Carrying Receptor: NK cells
Location: Endosomes
TLR9
Ligands: Unmethylated CpG-rich DNA
Cells Carrying Receptor: Plasmcytoid dendritic cells, B cells, eosinophils, basophils
Location: Endsomes
TLR10 homodimer and heterodimers with TLR 1/2
Ligands: Unknown
Cells Carrying Receptor: Plasmcytoid dendritic cells, B cells, eosinophils, basophils
Location: Unknown
bacteria
TLR 1 2 4 5 9
viruses
TLR 3 7 8 9
fungi
TLR 2 6