Sex steroid hormone synthesis pathway

Sex steroid hormone synthesis is the enzymatic process by which cholesterol is converted into biologically active sex steroids: estrogen, androgen, and progestogen hormones. This process involves several key enzymes, including cholesterol side-chain cleavage enzyme (CYP11A1), 17α-hydroxylase/17,20-lyase (CYP17A1), 3β-hydroxysteroid dehydrogenase (HSD3B), 17β-hydroxysteroid dehydrogenase (HSD17B), and aromatase (CYP19). These enzymes catalyze a series of reactions that determine tissue-specific and sex-specific steroid hormone profiles. Many of these enzymes are therapeutic targets in hormone-dependent cancers and endocrine disorders, and their function is essential for sexual differentiation, reproduction, and overall endocrine health[2][4][1]. Drugs targeting these enzymes aim to modulate hormone levels for disease treatment but present significant safety challenges related to the complexity and systemic role of steroid hormones[1][3][4].

Other names

Steroidogenesis pathwaySex steroid biosynthetic pathwaySteroid hormone biosynthetic pathwaySex steroid metabolism pathway

Inhibition of biosynthetic enzymes to block sex steroid production (e.g., CYP17A1, CYP19 (aromatase)); Competitive antagonism at the active site; Blocking cholesterol side-chain cleavage