Androsterone Glucuronide
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Androsterone glucuronide (ADT-G) is a major circulating and
urinary The human urinary system, also known as the urinary tract or renal system, consists of the kidneys, ureters, bladder, and the urethra. The purpose of the urinary system is to eliminate waste from the body, regulate blood volume and blood pressu ...
metabolite In biochemistry, a metabolite is an intermediate or end product of metabolism. The term is usually used for small molecules. Metabolites have various functions, including fuel, structure, signaling, stimulatory and inhibitory effects on enzymes, c ...
of
testosterone Testosterone is the primary male sex hormone and androgen in Male, males. In humans, testosterone plays a key role in the development of Male reproductive system, male reproductive tissues such as testicles and prostate, as well as promoting se ...
and
dihydrotestosterone Dihydrotestosterone (DHT, 5α-dihydrotestosterone, 5α-DHT, androstanolone or stanolone) is an endogenous androgen sex steroid and hormone primarily involved in the growth and repair of the prostate and the penis, as well as the production o ...
(DHT). It accounts for 93% of total androgen glucuronides in women. ADT-G is formed from
androsterone Androsterone, or 3α-hydroxy-5α-androstan-17-one, is an endogenous steroid hormone, neurosteroid, and putative pheromone. It is a weak androgen with a potency that is approximately 1/7 that of testosterone. Androsterone is a metabolite of te ...
by
UDP-glucuronosyltransferase Uridine 5'-diphospho-glucuronosyltransferase ( UDP-glucuronosyltransferase, UDPGT or UGT) is a microsomal glycosyltransferase () that catalyzes the transfer of the glucuronic acid component of UDP-glucuronic acid to a small hydrophobic molecu ...
s, with the major
enzyme An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different mol ...
s being UGT2B15 and UGT2B17. It is a marker of
acne Acne ( ), also known as ''acne vulgaris'', is a long-term Cutaneous condition, skin condition that occurs when Keratinocyte, dead skin cells and Sebum, oil from the skin clog hair follicles. Typical features of the condition include comedo, ...
in women while
androstanediol glucuronide 3α-Androstanediol glucuronide (3α-ADG) is a metabolite formed from human androgens; compounds involved in the development and maintenance of sexual characteristics. It is formed by the glucuronidation of dihydrotestosterone, and has been propos ...
is a marker of
hirsutism Hirsutism is excessive body hair on parts of the body where hair is normally absent or minimal. The word is from early 17th century: from Latin ''hirsutus'' meaning "hairy". It usually refers to a male pattern of hair growth in a female that ma ...
(excess hair growth) in women.


Relevance in women's health

Quantification of ADT-G and 3α-diol-G levels in
Serum (blood) Serum () is the fluid and solvent component of blood which does not play a role in clotting. It may be defined as blood plasma without the clotting factors, or as blood with all cells and clotting factors removed. Serum contains all proteins ...
is an effective means of assessing androgen content in blood and androgenic activity in women.  Androsterone glucuronide content can be estimated using
Liquid chromatography–mass spectrometry Liquid chromatography–mass spectrometry (LC–MS) is an analytical chemistry technique that combines the physical separation capabilities of liquid chromatography (or High performance liquid chromatography, HPLC) with the mass analysis capabil ...
. If an unusual level of ADT-G is observed in the blood (either an elevated or decreased amount), proper treatment plans can be developed in order to treat related symptoms. Elevated levels of androsterone glucuronide in the blood have been observed in adult females who present with inflammatory acne.  The introduction of therapeutic antiandrogen treatment and the use of an oral
Contraceptive Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. Birth control has been used since ancient times, but effective and safe methods of birth control only be ...
by women who are affected with androsterone related acne can decrease the amount of inflammatory acne present.


See also

* 3α-Androstanediol * Androsterone sulfate * Etiocholanolone glucuronide


References


External links


Metabocard for Androsterone Glucuronide (HMDB02829) – Human Metabolome Database
{{Steroid hormones 5α-Reduced steroid metabolites Androstanes Glucuronide esters Human metabolites