IFI44L and systemic lupus erythematosus: SLE patients had hypomethylation of the site 1 (57.4 vs. 27.1; p = 0.0011) and site 2 (93.6 vs. 82.02; p = 0.0057) of the promoter of IFI44L gene (Figures 4A,B) (SLE n = 19; HC n = 10).