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The term "backdoor pathway" was coined by Auchus in 2004 [28] and was described as 5α-reduction of 17α-hydroxyprogesterone (17OHP) which is a first step in a pathway that ultimately leads to the production of dihydrotestosterone (DHT). and defined as a route to DHT that: (1) bypasses conventional intermediates androstenedione (A4) and T; (2 ...
In 2004, Richard Auchus, in a review published in Trends in Endocrinology and Metabolism coined the term "backdoor pathway" as a metabolic route to DHT that: 1) bypasses conventional intermediates androstenedione and testosterone; 2) involves 5α-reduction of 21-carbon (C21) pregnanes to 19-carbon (C19) androstanes; and 3) involves the 3α ...
The subsequent intermediate products in the pathway are 5α-pregnane-3α,17α-diol-20-one, androsterone and 5α-androstane-3α,17β-diol. [ 9 ] [ 10 ] The primary feature of the androgen backdoor pathway is that 17α-hydroxyprogesterone (17-OHP) can be 5α-reduced and finally converted to 5α-dihydrotestosterone (DHT) via an alternative route ...
5α-Pregnane-3α,17α-diol-20-one is a metabolite, an intermediate product within the androgen backdoor pathway [17] in which 17α-hydroxyprogesterone (17-OHP) is 5α-reduced and finally converted to 5α-dihydrotestosterone (DHT) without testosterone as a metabolic intermediate.
When DHT causes baldness in women, it’s called female pattern hair loss. At its core, hair loss seems to come down to genetics. Some people are just more sensitive to the effects of DHT.
The androgen backdoor pathway (red arrows) roundabout testosterone embedded in within conventional androgen synthesis that lead to 5α-dihydrotestosterone through testosterone [27] [28] [29] CAH is a genetic disorder characterized by impaired production of cortisol in the adrenal glands. [1] [4] Production of cortisol begins at week 8 of fetal ...
Therefore, androstanediol can be used a marker of the backdoor pathway of DHT synthesis. [11] Spectrometric studies identify androsterone as the main backdoor androgen in the human male fetus. Circulating levels are sex dependent, DHT being essentially absent in the female, in which titres of backdoor intermediates also are very low. [12]
Look to Shampoo from Blu Atlas—the best DHT-blocking shampoo—to improve your head of hair daily. Switching out your cheap bottle of ‘poo for a clean, premium product like Blu Atlas is a ...