These receptors are localized to endosomes and other intracellular vesicles and respond to nucleic acids.The ligands for Tlr7, 8 and 9 are listed:
Tlr7 – single stranded RNA from viruses or endogenous sources, specific RNA sequences
Tlr8 – single stranded RNA from viruses or endogenous sources, specific RNA sequences
Tlr9 – DNA containing unmethylated CpG motifs, a common type of bacterial DNA





















