Fig. 2From: DNA methylation in the OPG/RANK/RANKL pathway is associated with steroid-induced osteonecrosis of the femoral headIntergroup differences in the methylation levels of CpG units. Compared with the control group, the methylation levels of 4 CpG units in OPG, 15 CpG units in RANK and 10 CpG units in RANKL were significantly increasedBack to article page