Fig. 1From: Relationship between mucosal TNF-α expression and Th1, Th17, Th22 and Treg responses in Helicobacter pylori infectionPCR efficiency of qPCR primers drawn by standard curve assay. A The efficiency of β-actin primer was 101%. B The efficiency of TNF-α primer was 97%. PCR efficiency of TaqMan probe and primers is stated with 100% ± 5%Back to article page