In clinical serum samples, CD93, DOCK8, MBOAT1 (P < 0.001), CYBB, MYO1F, NLRP1(P < 0.01), IRF1, and PIK3R1 (P < 0.05) mRNA levels were significantly elevated and the PTER mRNA level was significantly reduced in the PCOS patients (P < 0.05). Here, CD93 is linked to polycystic ovary syndrome.