Combinations of TLR Ligands: A Promising Approach in Cancer Immunotherapy

Table 1

TLR expression on CRC cell lines and immune cells.

	TLR3	TLR4	TLR7	TLR8
HROC40	++	++	+	−
HROC60	++	++	+	−
HROC69	−	++	+	−
DC	+++	+++	+++	+++
CT26	+++	+	+	n.d.
Macrophages	+	+++	+++	n.d.

ΔCT values were compared between cell lines and different target genes (+++ strong expression, ++ moderate expression, + low expression, − no expression, and n.d. not done).