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Steroid numbering. Steroid reductases. 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]
Figure 2. Numbering of carbon atoms in a prototypical steroid nucleus [3] The androgen backdoor pathways are vital for creating androgens from 21-carbon (C 21) steroids, known as pregnanes. A 21-carbon steroid is a steroid molecule with 21 carbon atoms, [25] hence, their chemical formula contains C 21. For example, the chemical formula of ...
Nicotinamide adenine dinucleotide phosphate, abbreviated NADP [1] [2] or, in older notation, TPN (triphosphopyridine nucleotide), is a cofactor used in anabolic reactions, such as the Calvin cycle and lipid and nucleic acid syntheses, which require NADPH as a reducing agent ('hydrogen source').
a 3-oxo-5α-steroid + acceptor ⇌ a 3-oxo-Δ 4-steroid + reduced acceptor. Where a 3-oxo-5α-steroid and acceptor are substrates, and a corresponding 3-oxo-Δ4-steroid and the reduced acceptor are products. An instance of this generalized reaction that 5α-reductase type 2 catalyzes is:
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 December 2024. Polycyclic organic compound having sterane as a core structure This article is about the family of polycyclic compounds. For the drugs, also used as performance-enhancing substances, see Anabolic steroid. For the scientific journal, see Steroids (journal). For the Death Grips EP, see ...
Relative affinities of anabolic steroids and related steroids; Steroid Chemical name Relative binding affinities (%) PR Tooltip Progesterone receptor AR Tooltip Androgen receptor ER Tooltip Estrogen receptor GR Tooltip Glucocorticoid receptor MR Tooltip Mineralocorticoid receptor SHBG Tooltip Sex hormone-binding globulin CBG Tooltip ...
List of steroidogenesis inhibitors – steroidogenesis inhibitors, or inhibitors of steroid biosynthesis and metabolism; As well as lists of steroid esters, including: List of androgen esters – androgen esters; List of estrogen esters – estrogen esters; List of progestogen esters – progestogen esters; List of corticosteroid esters ...