CBLN1 and polycystic ovary syndrome: Of all these hub genes, CBLN1 (AUC = 0.924), DNAH5 (AUC = 0.867), HMOX1 (AUC = 0.971), SLC26A8 (AUC = 0.933), and LOC100507250 (AUC = 0.848) were highly predictive of the occurrence and development of PCOS (Figure 3C).