Fig. 1From: DNA methylation in the OPG/RANK/RANKL pathway is associated with steroid-induced osteonecrosis of the femoral headEMBOSS software predicted the CpG islands in the OPG, RANK and RANKL genes. A CpG island in the OPG gene sequence, with a length of 219 bp (A). Two CpG islands were found in the RANK gene sequence, one CpG island was 829 bp in length, and the other was 296 bp (B). A CpG island was found in the RANKL gene sequence, with a length of 354 bp (C)Back to article page