Corticotropin-Releasing Hormone: An Autocrine Hormone That Promotes Lipogenesis in Human Sebocytes

The study examined the role of corticotropin-releasing hormone (CRH) in human sebocytes, finding that CRH acted as an autocrine hormone promoting lipogenesis. CRH, along with its binding protein and receptors, was expressed in sebocytes, with CRH-R1 being the predominant receptor. CRH increased sebaceous lipid synthesis without affecting cell viability or proliferation. Testosterone and growth hormone influenced CRH receptor expression, indicating a negative feedback mechanism. These findings suggested that CRH could be involved in conditions like acne, seborrhea, and androgenetic alopecia, due to its role in sebaceous lipid production.