DENND1A and polycystic ovary syndrome: The genome-wide association studies (GWAS) identified 15 susceptible single nucleotide polymorphisms (SNP) in 11 loci (LHCGR, FSHR, THADA, INSR, DENND1A, RAB5B, C9orf3, YAP1, SUMO1P1, TOX3, and HMGA2) in PCOS Chinese women (3, 4).