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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 ...
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 ...
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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 ...
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 of sebum and body hair composition.
Testosterone is the primary male sex hormone and androgen in males. [4] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
Schematic of the HPA axis (CRH, corticotropin-releasing hormone; ACTH, adrenocorticotropic hormone) Hypothalamus, pituitary gland, and adrenal cortex The hypothalamic–pituitary–adrenal axis (HPA axis or HTPA axis) is a complex set of direct influences and feedback interactions among three components: the hypothalamus (a part of the brain located below the thalamus), the pituitary gland (a ...
11OHDHT, along with other carbon-11-oxygenated (C11-oxy) steroids, 11-ketodihydrotestosterone (11KDHT) and 11-ketotestosterone (11KT), are androgen receptor (AR ...