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The androgen backdoor pathways occur without the involvement of testosterone (T) and/or androstenedione (A4), which are part of the conventional, canonical (classic) [30] [31] [11] androgenic pathway. [15] In the canonical pathways of androgen biosynthesis, DHT is synthesized from T via 5α-reduction, so that 5α-reduction of T, a C
Schematic diagram of the androgen biosynthesis via the canonical, backdoor, and 11-oxyback door pathways ... Added the 11-oxy backdoor pathway is also important in ...
English: Will update with all enzyme names once diagram is checked for accuracy. Date: 5 February 2021: Source: Own work: Author: ... The androgen backdoor pathway ...
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 ...
The androgen backdoor pathway (red arrows) roundabout testosterone embedded in within conventional androgen synthesis that lead to 5α-dihydrotestosterone through testosterone. [ 7 ] [ 8 ] [ 9 ] 5α-Pregnan-17α-ol-3,20-dione (17-OH-DHP) is a progestogen , i.e., it binds to the progesterone receptors .
5α-Reductase (1, 2, 3) – androgen and neurosteroid synthesis, progestogen metabolism; 5β-Reductase – androgen and progestogen metabolism, neurosteroid synthesis; Conjugation (and deconjugation) Glucuronosyltransferase – steroid metabolism [6] Glucuronidase (β-glucuronidase) – steroid synthesis [7]
The lyase activity of CYP17A1 converts intermediates like 3,11diOH-DHP4 to potent androgens such as 5α-pregnan-3α,11β,17α-triol-20-one (11OH-Pdiol). These findings indicate that CYP17A1 plays a role in the metabolism of this steroid through both hydroxylation and lyase reactions in the 11-oxygenated steroid backdoor pathway to androgens.
Androgen deprivation therapy (ADT), also called androgen ablation therapy or androgen suppression therapy, is an antihormone therapy whose main use is in treating prostate cancer. Prostate cancer cells usually require androgen hormones , such as testosterone , to grow.