3β-androsterone sulfate

Overview

3β-Androsterone sulfate is a steroid metabolite and a sulfated form of androsterone, which is an endogenous androgen and neurosteroid. It is a significant component in the metabolism of androgens and is primarily found in the human body as a conjugated form, which increases its solubility in water and facilitates its excretion.

Chemical Structure

3β-Androsterone sulfate is a sulfated steroid, meaning it has a sulfate group attached to the 3β position of the androsterone molecule. The chemical formula for 3β-androsterone sulfate is C19H30O5S, and it has a molecular weight of 370.51 g/mol.

Biosynthesis

3β-Androsterone sulfate is synthesized in the body through the sulfation of androsterone. This process is catalyzed by the enzyme sulfotransferase, which transfers a sulfate group from 3'-phosphoadenosine-5'-phosphosulfate (PAPS) to the hydroxyl group at the 3β position of androsterone.

Function

As a sulfated steroid, 3β-androsterone sulfate is involved in the regulation of androgen activity. Sulfation generally reduces the biological activity of steroids, thus acting as a mechanism to modulate the effects of androgens in the body. It also serves as a reservoir for the active hormone, which can be reactivated by desulfation when needed.

Clinical Significance

The levels of 3β-androsterone sulfate in the body can be indicative of various physiological and pathological conditions. Abnormal levels may be associated with disorders of steroid metabolism, such as congenital adrenal hyperplasia or polycystic ovary syndrome.

Measurement

3β-Androsterone sulfate can be measured in biological fluids such as blood or urine using techniques like liquid chromatography-mass spectrometry (LC-MS) or radioimmunoassay (RIA). These measurements can provide valuable information about an individual's steroid metabolism and endocrine function.

Also see

• Androsterone
• Sulfotransferase
• Steroid metabolism
• Androgen
• Neurosteroid

External Links

• [PubChem entry for 3β-Androsterone sulfate](https://pubchem.ncbi.nlm.nih.gov/compound/3beta-Androsterone-sulfate)
• [KEGG entry for 3β-Androsterone sulfate](https://www.genome.jp/dbget-bin/www_bget?cpd:C05443)