Steroids

spinqualitylabelsall models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Estradiol is an important estrogen steroid hormone in both women and men. It is a typical steroid with core four-ring system (ABCD), composed of 17 carbon atoms. Cutting Ring B produces secosteroids one of which is vitamin D3. 25-hydroxy-cholecalciferol (25-D3); 25-hydroxyvitamin D3 (5ien). Calcitriol is the active form of vitamin D pro-hormone. Steroid Hormones and their receptors Types by function Corticosteroids Glucocorticoids Cortisol, a glucocorticoid whose functions include immunosuppression Mineralocorticoids Aldosterone, a mineralocorticoid which helps regulate blood pressure through water and electrolyte balance Sex steroids Progestogens Progesterone, which regulates cyclical changes in the endometrium of the uterus and maintains a pregnancy Androgens Testosterone, which contributes to the development and maintenance of male secondary sex characteristics Estrogens Estradiol, which contributes to the development and maintenance of female secondary sex characteristics Additional classes of steroids include: Neurosteroids such as DHEA and allopregnanolone Aminosteroid neuromuscular blocking agents such as pancuronium bromide As well as the following class of secosteroids (open-ring steroids) Vitamin D forms such as ergocalciferol, cholecalciferol, and calcitriol

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Alexander Berchansky