Genes and proteins of the alternative steroid backdoor pathway for dihydrotestosterone synthesis are expressed in the human ovary and seem enhanced in the polycystic ovary syndrome
The human testis is able to produce androgens through the backdoor pathway. Whether the backdoor pathway exists in the human ovary is unknown. The specific genes and proteins of the backdoor pathway are expressed in the ovary. Higher expression of backdoor pathway genes and proteins is observed in PCOS. These data hint a role of the backdoor for androgen synthesis in the ovary.