Fig. 5From: The underlying molecular mechanisms and biomarkers between periodontitis and COVID-19The expression levels of nine co-upregulated TFs(NFE2, POU2AF1, IRF4,XBP1, STAT3, EPAS1, E2F3, ARID3A and ELL) were examined by quantitative real-time polymerase chain reaction. The control represents healthy group. (*p < 0.05, ** p < 0.01, ***p < 0.001, ****p < 0.0001)Back to article page