Two previous studies on the endometriotic cell line Hs832.Tc (ATCC CRL-7566) [19] and the endometrial stroma cell line ST-T1b [20] identified the transcriptional regulator KLF9, the interleukin-6 receptor subunit IL6ST/gp130, and steroid sulfatase (STS) as regulatory targets of miR-142-3p, however, the exact role microRNA-142-3p plays in the pathophysiology of endometriosis currently remains incompletely understood. Here, STS is linked to endometriosis.