IFI44 and cancer: Besides, the overexpression of IFI44 in the HNSC section was verified in three public microarray datasets (Figure 1B; GSE107591, 45 normal vs. 167 cancer, P < 0.0001; GSE30784, 23 normal vs. 24 cancer, P = 0.0076; GSE138206, 12 normal vs. 6 cancer, P = 0.0023).