2-Hydroxyestrone
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| IUPAC name
(8R,9S,13S,14S)-2,3-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one | |
| Other names
2-OHE1; 2,3-Dihydroxyestra-1,3,5(10)-trien-17-one; Estra-1,3,5(10)-trien-2,3-diol-17-one | |
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| Properties | |
| C18H22O3 | |
| Molar mass | 286.371 g/mol |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
2-Hydroxyestrone (2-OHE1), also known as estra-1,3,5(10)-trien-2,3-diol-17-one, is an endogenous, naturally occurring catechol estrogen and a major metabolite of estrone and estradiol.[1][2][3] It is formed irreversibly from estrone in the liver and to a lesser extent in other tissues via 2-hydroxylation mediated by cytochrome P450 enzymes, mainly the CYP3A and CYP1A subfamilies.[1][3] 2-OHE1 is the most abundant catechol estrogen in the body.[3] It is not significantly uterotrophic in bioassays, whereas other hydroxylated estrogen metabolites including 2-hydroxyestradiol, 16α-hydroxyestrone, estriol (16α-hydroxyestradiol), 4-hydroxyestradiol, and 4-hydroxyestrone all are.[1][4]
See also
References
- 1 2 3 Michael Oettel; Ekkehard Schillinger (6 December 2012). Estrogens and Antiestrogens I: Physiology and Mechanisms of Action of Estrogens and Antiestrogens. Springer Science & Business Media. p. 227. ISBN 978-3-642-58616-3.
- ↑ David Rakel (2012). Integrative Medicine. Elsevier Health Sciences. pp. 338–. ISBN 1-4377-1793-4.
- 1 2 3 H.J. Buchsbaum (6 December 2012). The Menopause. Springer Science & Business Media. pp. 64–65. ISBN 978-1-4612-5525-3.
- ↑ Bhavnani BR, Nisker JA, Martin J, Aletebi F, Watson L, Milne JK (2000). "Comparison of pharmacokinetics of a conjugated equine estrogen preparation (premarin) and a synthetic mixture of estrogens (C.E.S.) in postmenopausal women". J. Soc. Gynecol. Investig. 7 (3): 175–83. PMID 10865186.
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