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. 2013 Jul 5;8(7):e68367. doi: 10.1371/journal.pone.0068367

Table 1. Cell densities and positive controls used in reporter cell stimulations.

Cell line Cell density Positive control
THP-1 MD2-CD14 1*106 cells/ml E.coli K12 lipopolysaccharide Ultrapure (LPS, 100 ng/ml)
THP-1 DefMyD 2*106 cells/ml L-Ala-gamma-D-Glu-mDAP (TriDAP, 10 µg/ml)
HEK-Blue TLR2 2.8*105 cells/ml Pam2CGDPKHPKSF (FSL-1, 1 µg/ml)
HEK-Blue TLR3 2.8*105 cells/ml Poly(I:C) high molecular weight (HMW, 1 mg/ml)
HEK-Blue TLR4 1.4*106 cells/ml E.coli K12 lipopolysaccharide Ultrapure (LPS, 100 ng/ml)
HEK-Blue TLR5 1.4*106 cells/ml Recombinant flagellin from S.typhimurium (Rec-FLA-ST,100 ng/ml)
HEK-Blue TLR7 2.2*106 cells/ml Imiquimod (5 µg/ml)
HEK-Blue TLR8 2.2*106 cells/ml Single stranded RNA (ssRNA40/LyoVec™, 5 µg/ml)
HEK-Blue TLR9 4.5*106 cells/ml Type B CpG oligonucleotide (ODN 2006, 100 mg/ml)
HEK-Blue NOD1 2.8*106 cells/ml L-Ala-gamma-D-Glu-mDAP (TriDAP, 10 µg/ml)
HEK-Blue NOD2 1.4*106 cells/ml MurNac-L-Ala-gamma-D-Glu-mDAP (M-TriDAP, 10 µg/ml)