Androst-5-ene-3β,7α/β,17β-triols, their plasma levels and dependence on the hypothalamic-pituitary-adrenal axis

Androst-5-ene-triols are metabolites of dehydroepiandrosterone, the most abundant steroid hormone in human circulation. Many observations in rodents have demonstrated the anti-inflammatory and immune modulating activity of 7β-hydroxy-androst-5-enes, and on the basis of these experiments androst-5-ene-3β,7β,17β-triol is considered as a potential agent in the treatment of autoimmune diseases. In contrast to the fairly abundant information on the levels and effects of androst-5-ene-triols in experimental animals and of their the pharmacological perspective, little is known about androst-5-ene-3β,7α/β,17β-triols circulating in human blood, their regulation by the hypothalamo-pituitary-adrenal axis, or their daily concentration variability. Here we provide some data on androst-5-ene-3β,7α/β,17β-triol concentrations under various conditions in men and women.