Template:Selected_biological_properties_of_endogenous_estrogens_in_rats

Template:Selected biological properties of endogenous estrogens in rats

More information Estrogen, ERTooltip Estrogen receptor RBATooltip relative binding affinity (%) ...

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Martucci CP, Fishman J (December 1979). "Impact of continuously administered catechol estrogens on uterine growth and luteinizing hormone secretion". Endocrinology. 105 (6): 1288–1292. doi:10.1210/endo-105-6-1288. PMID 499073.

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Fishman J, Martucci CP (1980). "New Concepts of Estrogenic Activity: the Role of Metabolites in the Expression of Hormone Action". In Pasetto N, Paoletti R, Ambrus JL (eds.). The Menopause and Postmenopause. pp. 43–52. doi:10.1007/978-94-011-7230-1_5. ISBN 978-94-011-7232-5.

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Estrogen	ERTooltip Estrogen receptor RBATooltip relative binding affinity (%)	Uterine weight (%)	Uterotrophy	LHTooltip Luteinizing hormone levels (%)	SHBGTooltip Sex hormone-binding globulin RBATooltip relative binding affinity (%)
Control	–	100	–	100	–
Estradiol (E2)	100	506 ± 20	+++	12–19	100
Estrone (E1)	11 ± 8	490 ± 22	+++	?	20
Estriol (E3)	10 ± 4	468 ± 30	+++	8–18	3
Estetrol (E4)	0.5 ± 0.2	?	Inactive	?	1
17α-Estradiol	4.2 ± 0.8	?	?	?	?
2-Hydroxyestradiol	24 ± 7	285 ± 8	+^b	31–61	28
2-Methoxyestradiol	0.05 ± 0.04	101	Inactive	?	130
4-Hydroxyestradiol	45 ± 12	?	?	?	?
4-Methoxyestradiol	1.3 ± 0.2	260	++	?	9
4-Fluoroestradiol^a	180 ± 43	?	+++	?	?
2-Hydroxyestrone	1.9 ± 0.8	130 ± 9	Inactive	110–142	8
2-Methoxyestrone	0.01 ± 0.00	103 ± 7	Inactive	95–100	120
4-Hydroxyestrone	11 ± 4	351	++	21–50	35
4-Methoxyestrone	0.13 ± 0.04	338	++	65–92	12
16α-Hydroxyestrone	2.8 ± 1.0	552 ± 42	+++	7–24	<0.5
2-Hydroxyestriol	0.9 ± 0.3	302	+^b	?	?
2-Methoxyestriol	0.01 ± 0.00	?	Inactive	?	4
Notes: Values are mean ± SD or range. ER RBA = Relative binding affinity to estrogen receptors of rat uterine cytosol. Uterine weight = Percentage change in uterine wet weight of ovariectomized rats after 72 hours with continuous administration of 1 μg/hour via subcutaneously implanted osmotic pumps. LH levels = Luteinizing hormone levels relative to baseline of ovariectomized rats after 24 to 72 hours of continuous administration via subcutaneous implant. Footnotes: ^a = Synthetic (i.e., not endogenous). ^b = Atypical uterotrophic effect which plateaus within 48 hours (estradiol's uterotrophy continues linearly up to 72 hours). Sources: ^[1]^[2]^[3]^[4]^[5]^[6]^[7]^[8]^[9]

Template:Selected_biological_properties_of_endogenous_estrogens_in_rats

Template:Selected biological properties of endogenous estrogens in rats

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