Estrogen receptor beta
Estrogen receptor beta(ERβ) also known asNR3A2(nuclear receptor subfamily 3, group A, member 2) is one of two main types ofestrogen receptor—anuclear receptorwhich is activated by the sex hormoneestrogen.[5]In humans ERβ is encoded by theESR2gene.[6]
Function
[edit]ERβ is a member of the family ofestrogen receptorsand the superfamily ofnuclear receptortranscription factors. The gene product contains anN-terminalDNA binding domainandC-terminalligand binding domain and is localized to the nucleus, cytoplasm, and mitochondria. Upon binding to 17-β-estradiol, estriol or related ligands, the encoded protein forms homo-dimers or hetero-dimers withestrogen receptor αthat interact with specific DNA sequences to activate transcription. Some isoforms dominantly inhibit the activity of other estrogen receptor family members. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some of these variants has not been fully characterized.[7]
ERβ may inhibit cell proliferation and opposes the actions of ERα in reproductive tissue.[8]ERβ may also have an important role in adaptive function of the lung during pregnancy.[9]
ERβ is a potenttumor suppressorand plays a crucial role in many cancer types such asprostate cancerandovarian cancer.[10][11]
Mammary gland
[edit]ERβknockout miceshow normal mammary gland development atpubertyand are able tolactatenormally.[12][13][14]The mammary glands of adult virgin female mice are indistinguishable from those of age-matched wild-type virgin female mice.[12]This is in contrast toERαknockout mice, in which a complete absence of mammary gland development at puberty and thereafter is observed.[12][14]Administration of theselectiveERβagonistERB-041to immatureovariectomizedfemale rats produced no observable effects in the mammary glands, further indicating that the ERβ is non-mammotrophic.[15][14][16]
Although ERβ is not required for pubertal development of the mammary glands, it may be involved interminaldifferentiationinpregnancy,and may also be necessary to maintain the organization and differentiation of mammaryepitheliumin adulthood.[17][18]In old female ERβ knockout mice, severecystic mammary diseasethat is similar in appearance topostmenopausalmastopathydevelops, whereas this does not occur in aged wild-type female mice.[13]However, ERβ knockout mice are not only deficient in ERβ signaling in the mammary glands, but also have deficientprogesteroneexposure due to impairment ofcorpora luteaformation.[13][17]This complicates attribution of the preceding findings to mammary ERβ signaling.[13][17]
Selective ERβ agonism withdiarylpropionitrile(DPN) has been found to counteract theproliferativeeffects in the mammary glands of selective ERα agonism withpropylpyrazoletriol(PPT) inovariectomizedpostmenopausal female rats.[19][20]Similarly,overexpressionof ERβ vialentiviralinfectionin mature virgin female rats decreases mammary proliferation.[20]ERα signaling has proliferative effects in both normal breast andbreast cancercell lines,whereas ERβ has generallyantiproliferativeeffects in such cell lines.[17]However, ERβ has been found to have proliferative effects in some breast cell lines.[17]
Expressionof ERα and ERβ in the mammary gland have been found to vary throughout themenstrual cycleand in an ovariectomized state in female rats.[20]Whereas mammary ERα inrhesus macaquesisdownregulatedin response to increasedestradiollevels, expression of ERβ in the mammary glands is not.[21]Expression of ERα and ERβ in the mammary glands also differs throughout life in female mice.[22]Mammary ERα expression is higher and mammary ERβ expression lower in younger female mice, while mammary ERα expression is lower and mammary ERβ expression higher in older female mice as well as inparousfemale mice.[22]Mammary proliferation and estrogen sensitivity is higher in young female mice than in old or parous female mice, particularly during pubertal mammary gland development.[22]
Tissue distribution
[edit]ERβ is expressed by manytissuesincluding theuterus,[23]blood monocytes and tissue macrophages, colonic and pulmonary epithelial cells and in prostatic epithelium and in malignant counterparts of these tissues. Also, ERβ is found throughout the brain at different concentrations in different neuron clusters.[24][25]ERβ is also highly expressed in normal breast epithelium, although its expression declines with cancer progression.[26]ERβ is expressed in all subtypes of breast cancer.[27]Controversy regarding ERβ protein expression has hindered study of ERβ, but highly sensitive monoclonal antibodies have been produced and well-validated to address these issues.[28]
ERβ abnormalities
[edit]ERβ function is related to various cardiovascular targets includingATP-binding cassette transporter A1 (ABCA1)andapolipoprotein A1 (ApoA-1).Polymorphism may affect ERβ function and lead to altered responses in postmenopausal women receivinghormone replacement therapy.[29]Abnormalities in gene expression associated with ERβ have also been linked toautism spectrum disorder.[30]
Disease
[edit]Cardiovascular disease
[edit]Mutations in ERβ have been shown to influencecardiomyocytes,the cells that comprise the largest part of the heart, and can lead to an increased risk ofcardiovascular disease(CVD). There is a disparity in prevalence of CVD between pre- and post-menopausal women, and the difference can be attributed to estrogen levels. Many types of ERβ receptors exist in order to help regulate gene expression and subsequent health in the body, but binding of 17βE2 (a naturally occurring estrogen) specifically improves cardiac metabolism. The heart utilizes a lot of energy in the form ofATPto properly pump blood and maintain physiological requirements in order to live, and 17βE2 helps by increasing these myocardial ATP levels and respiratory function.[31]
In addition, 17βE2 can alter myocardial signaling pathways and stimulate myocyte regeneration, which can aid in inhibiting myocyte cell death. The ERβ signaling pathway plays a role in bothvasodilationandarterialdilation, which contributes to an individual having a healthy heart rate and a decrease in blood pressure. This regulation can increaseendothelialfunction andarterial perfusion,both of which are important to myocyte health. Thus, alterations in this signaling pathways due to ERβ mutation could lead to myocyte cell death from physiological stress. While ERα has a more profound role in regeneration after myocyte cell death, ERβ can still help by increasingendothelial progenitor cellactivation and subsequent cardiac function.[32]
Alzheimer's disease
[edit]Genetic variation in ERβ is both sex and age dependent and ERβ polymorphism can lead to accelerated brain aging, cognitive impairment, and development of AD pathology. Similar to CVD, post-menopausal women have an increased risk of developingAlzheimer's disease(AD) due to a loss of estrogen, which affects proper aging of thehippocampus,neural survival andregeneration,andamyloid metabolism.ERβ mRNA is highly expressed in hippocampal formation, an area of the brain that is associated with memory. This expression contributes to increased neuronal survival and helps protect against neurodegenerative diseases such as AD. The pathology of AD is also associated with accumulation ofamyloid beta peptide(Aβ). While a proper concentration of Aβ in the brain is important for healthy functioning, too much can lead to cognitive impairment. Thus, ERβ helps control Aβ levels by maintaining the protein it is derived from, β-amyloid precursor protein. ERβ helps by up-regulatinginsulin-degrading enzyme(IDE), which leads to β-amyloid degradation when accumulation levels begin to rise. However, in AD, lack of ERβ causes a decrease in this degradation and an increase in plaque build-up.[33]
ERβ also plays a role in regulatingAPOE,a risk factor for AD that redistributes lipids across cells. APOE expression in the hippocampus is specifically regulated by 17βE2, affecting learning and memory in individuals afflicted with AD. Thus, estrogen therapy via an ERβ-targeted approach can be used as a prevention method for AD either before or at the onset of menopause. Interactions between ERα and ERβ can lead to antagonistic actions in the brain, so an ERβ-targeted approach can increase therapeutic neural responses independently of ERα. Therapeutically, ERβ can be used in both men and women in order to regulate plaque formation in the brain.[34]
Neuroprotective benefits
[edit]Synaptic strength and plasticity
[edit]ERβ levels can dictate both synaptic strength andneuroplasticitythrough neural structure modifications. Variations in endogenous estrogen levels cause changes indendritic architecturein the hippocampus, which affects neural signaling and plasticity. Specifically, lower estrogen levels lead to decreased dendritic spines and improper signaling, inhibiting plasticity of the brain. However, treatment of 17βE2 can reverse this affect, giving it the ability to modify hippocampal structure. As a result of the relationship between dendritic architecture andlong-term potentiation(LTP), ERβ can enhance LTP and lead to an increase in synaptic strength. Furthermore, 17βE2 promotesneurogenesisin developing hippocampal neurons and neurons in thesubventricular zoneanddentate gyrusof the adult human brain. Specifically, ERβ increases the proliferation of progenitor cells to create new neurons and can be increased later in life through 17βE2 treatment.[35][36]
Ligands
[edit]Agonists
[edit]Non-selective
[edit]- Endogenousestrogens(e.g.,estradiol,estrone,estriol,estetrol)
- Naturalestrogens(e.g.,conjugated estrogens)
- Syntheticestrogens(e.g.,ethinylestradiol,diethylstilbestrol)
Selective
[edit]Agonists of ERβ selective overERαinclude:
- 20-Hydroxyecdysone(ecdysterone, 20-HE, 20-E) —phytoecdysteroid[37]
- 3β-Androstanediol(3β-diol) –endogenous
- 8β-VE2
- AC-186
- Apigenin–phytoestrogen[38]
- Daidzein– phytoestrogen[38]
- DCW234
- Dehydroepiandrosterone(DHEA) – endogenous
- Diarylpropionitrile(DPN)
- ERB-79and its active enantiomerERB-26
- ERB-196(WAY-202196)
- Erteberel(SERBA-1, LY-500307)
- FERb 033– 62-fold selectivity for ERβ over ERα[39]
- Genistein– phytoestrogen; 16-fold selectivity for ERβ over ERα[38]
- Liquiritigenin(Menerba) – phytoestrogen[38]
- Penduletin– phytoestrogen[38]
- Prinaberel(ERB-041, WAY-202041)
- S-Equol((S)-4',7-isoflavandiol) – phytoestrogen; 13-fold selectivity for ERβ over ERα[38]
- WAY-166818
- WAY-200070
- WAY-214156
Antagonists
[edit]Non-selective
[edit]- Selective estrogen receptor modulators(e.g.,tamoxifen,raloxifene)[40]
- Antiestrogens(e.g.,fulvestrant,ICI-164384)
Selective
[edit]Antagonists of ERβ selective over ERα include:
- PHTPP
- (R,R)-Tetrahydrochrysene((R,R)-THC) – actually not selective over ERα, but rather an agonist instead of antagonist of ERα
Affinities
[edit]Ligand | Other names | Relative binding affinities(RBA, %)a | Absolute binding affinities(Ki,nM)a | Action | ||
---|---|---|---|---|---|---|
ERα | ERβ | ERα | ERβ | |||
Estradiol | E2; 17β-Estradiol | 100 | 100 | 0.115 (0.04–0.24) | 0.15 (0.10–2.08) | Estrogen |
Estrone | E1; 17-Ketoestradiol | 16.39 (0.7–60) | 6.5 (1.36–52) | 0.445 (0.3–1.01) | 1.75 (0.35–9.24) | Estrogen |
Estriol | E3; 16α-OH-17β-E2 | 12.65 (4.03–56) | 26 (14.0–44.6) | 0.45 (0.35–1.4) | 0.7 (0.63–0.7) | Estrogen |
Estetrol | E4; 15α,16α-Di-OH-17β-E2 | 4.0 | 3.0 | 4.9 | 19 | Estrogen |
Alfatradiol | 17α-Estradiol | 20.5 (7–80.1) | 8.195 (2–42) | 0.2–0.52 | 0.43–1.2 | Metabolite |
16-Epiestriol | 16β-Hydroxy-17β-estradiol | 7.795 (4.94–63) | 50 | ? | ? | Metabolite |
17-Epiestriol | 16α-Hydroxy-17α-estradiol | 55.45 (29–103) | 79–80 | ? | ? | Metabolite |
16,17-Epiestriol | 16β-Hydroxy-17α-estradiol | 1.0 | 13 | ? | ? | Metabolite |
2-Hydroxyestradiol | 2-OH-E2 | 22 (7–81) | 11–35 | 2.5 | 1.3 | Metabolite |
2-Methoxyestradiol | 2-MeO-E2 | 0.0027–2.0 | 1.0 | ? | ? | Metabolite |
4-Hydroxyestradiol | 4-OH-E2 | 13 (8–70) | 7–56 | 1.0 | 1.9 | Metabolite |
4-Methoxyestradiol | 4-MeO-E2 | 2.0 | 1.0 | ? | ? | Metabolite |
2-Hydroxyestrone | 2-OH-E1 | 2.0–4.0 | 0.2–0.4 | ? | ? | Metabolite |
2-Methoxyestrone | 2-MeO-E1 | <0.001–<1 | <1 | ? | ? | Metabolite |
4-Hydroxyestrone | 4-OH-E1 | 1.0–2.0 | 1.0 | ? | ? | Metabolite |
4-Methoxyestrone | 4-MeO-E1 | <1 | <1 | ? | ? | Metabolite |
16α-Hydroxyestrone | 16α-OH-E1; 17-Ketoestriol | 2.0–6.5 | 35 | ? | ? | Metabolite |
2-Hydroxyestriol | 2-OH-E3 | 2.0 | 1.0 | ? | ? | Metabolite |
4-Methoxyestriol | 4-MeO-E3 | 1.0 | 1.0 | ? | ? | Metabolite |
Estradiol sulfate | E2S; Estradiol 3-sulfate | <1 | <1 | ? | ? | Metabolite |
Estradiol disulfate | Estradiol 3,17β-disulfate | 0.0004 | ? | ? | ? | Metabolite |
Estradiol 3-glucuronide | E2-3G | 0.0079 | ? | ? | ? | Metabolite |
Estradiol 17β-glucuronide | E2-17G | 0.0015 | ? | ? | ? | Metabolite |
Estradiol 3-gluc. 17β-sulfate | E2-3G-17S | 0.0001 | ? | ? | ? | Metabolite |
Estrone sulfate | E1S; Estrone 3-sulfate | <1 | <1 | >10 | >10 | Metabolite |
Estradiol benzoate | EB; Estradiol 3-benzoate | 10 | ? | ? | ? | Estrogen |
Estradiol 17β-benzoate | E2-17B | 11.3 | 32.6 | ? | ? | Estrogen |
Estrone methyl ether | Estrone 3-methyl ether | 0.145 | ? | ? | ? | Estrogen |
ent-Estradiol | 1-Estradiol | 1.31–12.34 | 9.44–80.07 | ? | ? | Estrogen |
Equilin | 7-Dehydroestrone | 13 (4.0–28.9) | 13.0–49 | 0.79 | 0.36 | Estrogen |
Equilenin | 6,8-Didehydroestrone | 2.0–15 | 7.0–20 | 0.64 | 0.62 | Estrogen |
17β-Dihydroequilin | 7-Dehydro-17β-estradiol | 7.9–113 | 7.9–108 | 0.09 | 0.17 | Estrogen |
17α-Dihydroequilin | 7-Dehydro-17α-estradiol | 18.6 (18–41) | 14–32 | 0.24 | 0.57 | Estrogen |
17β-Dihydroequilenin | 6,8-Didehydro-17β-estradiol | 35–68 | 90–100 | 0.15 | 0.20 | Estrogen |
17α-Dihydroequilenin | 6,8-Didehydro-17α-estradiol | 20 | 49 | 0.50 | 0.37 | Estrogen |
Δ8-Estradiol | 8,9-Dehydro-17β-estradiol | 68 | 72 | 0.15 | 0.25 | Estrogen |
Δ8-Estrone | 8,9-Dehydroestrone | 19 | 32 | 0.52 | 0.57 | Estrogen |
Ethinylestradiol | EE; 17α-Ethynyl-17β-E2 | 120.9 (68.8–480) | 44.4 (2.0–144) | 0.02–0.05 | 0.29–0.81 | Estrogen |
Mestranol | EE 3-methyl ether | ? | 2.5 | ? | ? | Estrogen |
Moxestrol | RU-2858; 11β-Methoxy-EE | 35–43 | 5–20 | 0.5 | 2.6 | Estrogen |
Methylestradiol | 17α-Methyl-17β-estradiol | 70 | 44 | ? | ? | Estrogen |
Diethylstilbestrol | DES; Stilbestrol | 129.5 (89.1–468) | 219.63 (61.2–295) | 0.04 | 0.05 | Estrogen |
Hexestrol | Dihydrodiethylstilbestrol | 153.6 (31–302) | 60–234 | 0.06 | 0.06 | Estrogen |
Dienestrol | Dehydrostilbestrol | 37 (20.4–223) | 56–404 | 0.05 | 0.03 | Estrogen |
Benzestrol (B2) | – | 114 | ? | ? | ? | Estrogen |
Chlorotrianisene | TACE | 1.74 | ? | 15.30 | ? | Estrogen |
Triphenylethylene | TPE | 0.074 | ? | ? | ? | Estrogen |
Triphenylbromoethylene | TPBE | 2.69 | ? | ? | ? | Estrogen |
Tamoxifen | ICI-46,474 | 3 (0.1–47) | 3.33 (0.28–6) | 3.4–9.69 | 2.5 | SERM |
Afimoxifene | 4-Hydroxytamoxifen; 4-OHT | 100.1 (1.7–257) | 10 (0.98–339) | 2.3 (0.1–3.61) | 0.04–4.8 | SERM |
Toremifene | 4-Chlorotamoxifen; 4-CT | ? | ? | 7.14–20.3 | 15.4 | SERM |
Clomifene | MRL-41 | 25 (19.2–37.2) | 12 | 0.9 | 1.2 | SERM |
Cyclofenil | F-6066; Sexovid | 151–152 | 243 | ? | ? | SERM |
Nafoxidine | U-11,000A | 30.9–44 | 16 | 0.3 | 0.8 | SERM |
Raloxifene | – | 41.2 (7.8–69) | 5.34 (0.54–16) | 0.188–0.52 | 20.2 | SERM |
Arzoxifene | LY-353,381 | ? | ? | 0.179 | ? | SERM |
Lasofoxifene | CP-336,156 | 10.2–166 | 19.0 | 0.229 | ? | SERM |
Ormeloxifene | Centchroman | ? | ? | 0.313 | ? | SERM |
Levormeloxifene | 6720-CDRI; NNC-460,020 | 1.55 | 1.88 | ? | ? | SERM |
Ospemifene | Deaminohydroxytoremifene | 0.82–2.63 | 0.59–1.22 | ? | ? | SERM |
Bazedoxifene | – | ? | ? | 0.053 | ? | SERM |
Etacstil | GW-5638 | 4.30 | 11.5 | ? | ? | SERM |
ICI-164,384 | – | 63.5 (3.70–97.7) | 166 | 0.2 | 0.08 | Antiestrogen |
Fulvestrant | ICI-182,780 | 43.5 (9.4–325) | 21.65 (2.05–40.5) | 0.42 | 1.3 | Antiestrogen |
Propylpyrazoletriol | PPT | 49 (10.0–89.1) | 0.12 | 0.40 | 92.8 | ERα agonist |
16α-LE2 | 16α-Lactone-17β-estradiol | 14.6–57 | 0.089 | 0.27 | 131 | ERα agonist |
16α-Iodo-E2 | 16α-Iodo-17β-estradiol | 30.2 | 2.30 | ? | ? | ERα agonist |
Methylpiperidinopyrazole | MPP | 11 | 0.05 | ? | ? | ERα antagonist |
Diarylpropionitrile | DPN | 0.12–0.25 | 6.6–18 | 32.4 | 1.7 | ERβ agonist |
8β-VE2 | 8β-Vinyl-17β-estradiol | 0.35 | 22.0–83 | 12.9 | 0.50 | ERβ agonist |
Prinaberel | ERB-041; WAY-202,041 | 0.27 | 67–72 | ? | ? | ERβ agonist |
ERB-196 | WAY-202,196 | ? | 180 | ? | ? | ERβ agonist |
Erteberel | SERBA-1; LY-500,307 | ? | ? | 2.68 | 0.19 | ERβ agonist |
SERBA-2 | – | ? | ? | 14.5 | 1.54 | ERβ agonist |
Coumestrol | – | 9.225 (0.0117–94) | 64.125 (0.41–185) | 0.14–80.0 | 0.07–27.0 | Xenoestrogen |
Genistein | – | 0.445 (0.0012–16) | 33.42 (0.86–87) | 2.6–126 | 0.3–12.8 | Xenoestrogen |
Equol | – | 0.2–0.287 | 0.85 (0.10–2.85) | ? | ? | Xenoestrogen |
Daidzein | – | 0.07 (0.0018–9.3) | 0.7865 (0.04–17.1) | 2.0 | 85.3 | Xenoestrogen |
Biochanin A | – | 0.04 (0.022–0.15) | 0.6225 (0.010–1.2) | 174 | 8.9 | Xenoestrogen |
Kaempferol | – | 0.07 (0.029–0.10) | 2.2 (0.002–3.00) | ? | ? | Xenoestrogen |
Naringenin | – | 0.0054 (<0.001–0.01) | 0.15 (0.11–0.33) | ? | ? | Xenoestrogen |
8-Prenylnaringenin | 8-PN | 4.4 | ? | ? | ? | Xenoestrogen |
Quercetin | – | <0.001–0.01 | 0.002–0.040 | ? | ? | Xenoestrogen |
Ipriflavone | – | <0.01 | <0.01 | ? | ? | Xenoestrogen |
Miroestrol | – | 0.39 | ? | ? | ? | Xenoestrogen |
Deoxymiroestrol | – | 2.0 | ? | ? | ? | Xenoestrogen |
β-Sitosterol | – | <0.001–0.0875 | <0.001–0.016 | ? | ? | Xenoestrogen |
Resveratrol | – | <0.001–0.0032 | ? | ? | ? | Xenoestrogen |
α-Zearalenol | – | 48 (13–52.5) | ? | ? | ? | Xenoestrogen |
β-Zearalenol | – | 0.6 (0.032–13) | ? | ? | ? | Xenoestrogen |
Zeranol | α-Zearalanol | 48–111 | ? | ? | ? | Xenoestrogen |
Taleranol | β-Zearalanol | 16 (13–17.8) | 14 | 0.8 | 0.9 | Xenoestrogen |
Zearalenone | ZEN | 7.68 (2.04–28) | 9.45 (2.43–31.5) | ? | ? | Xenoestrogen |
Zearalanone | ZAN | 0.51 | ? | ? | ? | Xenoestrogen |
Bisphenol A | BPA | 0.0315 (0.008–1.0) | 0.135 (0.002–4.23) | 195 | 35 | Xenoestrogen |
Endosulfan | EDS | <0.001–<0.01 | <0.01 | ? | ? | Xenoestrogen |
Kepone | Chlordecone | 0.0069–0.2 | ? | ? | ? | Xenoestrogen |
o,p'-DDT | – | 0.0073–0.4 | ? | ? | ? | Xenoestrogen |
p,p'-DDT | – | 0.03 | ? | ? | ? | Xenoestrogen |
Methoxychlor | p,p'-Dimethoxy-DDT | 0.01 (<0.001–0.02) | 0.01–0.13 | ? | ? | Xenoestrogen |
HPTE | Hydroxychlor;p,p'-OH-DDT | 1.2–1.7 | ? | ? | ? | Xenoestrogen |
Testosterone | T; 4-Androstenolone | <0.0001–<0.01 | <0.002–0.040 | >5000 | >5000 | Androgen |
Dihydrotestosterone | DHT; 5α-Androstanolone | 0.01 (<0.001–0.05) | 0.0059–0.17 | 221–>5000 | 73–1688 | Androgen |
Nandrolone | 19-Nortestosterone; 19-NT | 0.01 | 0.23 | 765 | 53 | Androgen |
Dehydroepiandrosterone | DHEA; Prasterone | 0.038 (<0.001–0.04) | 0.019–0.07 | 245–1053 | 163–515 | Androgen |
5-Androstenediol | A5; Androstenediol | 6 | 17 | 3.6 | 0.9 | Androgen |
4-Androstenediol | – | 0.5 | 0.6 | 23 | 19 | Androgen |
4-Androstenedione | A4; Androstenedione | <0.01 | <0.01 | >10000 | >10000 | Androgen |
3α-Androstanediol | 3α-Adiol | 0.07 | 0.3 | 260 | 48 | Androgen |
3β-Androstanediol | 3β-Adiol | 3 | 7 | 6 | 2 | Androgen |
Androstanedione | 5α-Androstanedione | <0.01 | <0.01 | >10000 | >10000 | Androgen |
Etiocholanedione | 5β-Androstanedione | <0.01 | <0.01 | >10000 | >10000 | Androgen |
Methyltestosterone | 17α-Methyltestosterone | <0.0001 | ? | ? | ? | Androgen |
Ethinyl-3α-androstanediol | 17α-Ethynyl-3α-adiol | 4.0 | <0.07 | ? | ? | Estrogen |
Ethinyl-3β-androstanediol | 17α-Ethynyl-3β-adiol | 50 | 5.6 | ? | ? | Estrogen |
Progesterone | P4; 4-Pregnenedione | <0.001–0.6 | <0.001–0.010 | ? | ? | Progestogen |
Norethisterone | NET; 17α-Ethynyl-19-NT | 0.085 (0.0015–<0.1) | 0.1 (0.01–0.3) | 152 | 1084 | Progestogen |
Norethynodrel | 5(10)-Norethisterone | 0.5 (0.3–0.7) | <0.1–0.22 | 14 | 53 | Progestogen |
Tibolone | 7α-Methylnorethynodrel | 0.5 (0.45–2.0) | 0.2–0.076 | ? | ? | Progestogen |
Δ4-Tibolone | 7α-Methylnorethisterone | 0.069–<0.1 | 0.027–<0.1 | ? | ? | Progestogen |
3α-Hydroxytibolone | – | 2.5 (1.06–5.0) | 0.6–0.8 | ? | ? | Progestogen |
3β-Hydroxytibolone | – | 1.6 (0.75–1.9) | 0.070–0.1 | ? | ? | Progestogen |
Footnotes:a= (1)Binding affinityvalues are of the format "median (range)" (# (#–#)), "range" (#–#), or "value" (#) depending on the values available. The full sets of values within the ranges can be found in the Wiki code. (2) Binding affinities were determined via displacement studies in a variety ofin-vitrosystems withlabeledestradiol and humanERαandERβproteins (except the ERβ values from Kuiper et al. (1997), which are rat ERβ).Sources:See template page. |
Interactions
[edit]Estrogen receptor beta has been shown tointeractwith:
References
[edit]- ^abcGRCh38: Ensembl release 89: ENSG00000140009–Ensembl,May 2017
- ^abcGRCm38: Ensembl release 89: ENSMUSG00000021055–Ensembl,May 2017
- ^"Human PubMed Reference:".National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^"Mouse PubMed Reference:".National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^Kuiper GG, Enmark E, Pelto-Huikko M, Nilsson S, Gustafsson JA (June 1996)."Cloning of a novel receptor expressed in rat prostate and ovary".Proceedings of the National Academy of Sciences of the United States of America.93(12): 5925–5930.doi:10.1073/pnas.93.12.5925.PMC39164.PMID8650195.
- ^Mosselman S, Polman J, Dijkema R (August 1996)."ER beta: identification and characterization of a novel human estrogen receptor".FEBS Letters.392(1): 49–53.doi:10.1016/0014-5793(96)00782-X.PMID8769313.S2CID85795649.
- ^"Entrez Gene: ESR2 estrogen receptor 2 (ER beta)".
- ^Weihua Z, Saji S, Mäkinen S, Cheng G, Jensen EV, Warner M, Gustafsson JA (May 2000)."Estrogen receptor (ER) beta, a modulator of ERalpha in the uterus".Proceedings of the National Academy of Sciences of the United States of America.97(11): 5936–5941.Bibcode:2000PNAS...97.5936W.doi:10.1073/pnas.97.11.5936.PMC18537.PMID10823946.
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Further reading
[edit]- Pettersson K, Gustafsson JA (2001). "Role of estrogen receptor beta in estrogen action".Annual Review of Physiology.63:165–192.doi:10.1146/annurev.physiol.63.1.165.PMID11181953.
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- Saxon LK, Turner CH (February 2005). "Estrogen receptor beta: the antimechanostat?".Bone.36(2): 185–192.doi:10.1016/j.bone.2004.08.003.PMID15780944.
- Halachmi S, Marden E, Martin G, MacKay H, Abbondanza C, Brown M (June 1994). "Estrogen receptor-associated proteins: possible mediators of hormone-induced transcription".Science.264(5164): 1455–1458.Bibcode:1994Sci...264.1455H.doi:10.1126/science.8197458.PMID8197458.
- Schwabe JW, Chapman L, Finch JT, Rhodes D (November 1993). "The crystal structure of the estrogen receptor DNA-binding domain bound to DNA: how receptors discriminate between their response elements".Cell.75(3): 567–578.doi:10.1016/0092-8674(93)90390-C.PMID8221895.S2CID20795587.
- Chen H, Lin RJ, Schiltz RL, Chakravarti D, Nash A, Nagy L, et al. (August 1997)."Nuclear receptor coactivator ACTR is a novel histone acetyltransferase and forms a multimeric activation complex with P/CAF and CBP/p300".Cell.90(3): 569–580.doi:10.1016/S0092-8674(00)80516-4.PMID9267036.S2CID15284825.
- Pace P, Taylor J, Suntharalingam S, Coombes RC, Ali S (October 1997)."Human estrogen receptor beta binds DNA in a manner similar to and dimerizes with estrogen receptor alpha".The Journal of Biological Chemistry.272(41): 25832–25838.doi:10.1074/jbc.272.41.25832.PMID9325313.
- Brandenberger AW, Tee MK, Lee JY, Chao V, Jaffe RB (October 1997)."Tissue distribution of estrogen receptors alpha (ER-alpha) and beta (ER-beta) mRNA in the midgestational human fetus".The Journal of Clinical Endocrinology and Metabolism.82(10): 3509–3512.doi:10.1210/jcem.82.10.4400.PMID9329394.
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- Vladusic EA, Hornby AE, Guerra-Vladusic FK, Lupu R (January 1998). "Expression of estrogen receptor beta messenger RNA variant in breast cancer".Cancer Research.58(2): 210–214.PMID9443393.
- Ogawa S, Inoue S, Watanabe T, Hiroi H, Orimo A, Hosoi T, et al. (February 1998). "The complete primary structure of human estrogen receptor beta (hER beta) and its heterodimerization with ER alpha in vivo and in vitro".Biochemical and Biophysical Research Communications.243(1): 122–126.doi:10.1006/bbrc.1997.7893.PMID9473491.
- Alves SE, Lopez V, McEwen BS, Weiland NG (March 1998)."Differential colocalization of estrogen receptor beta (ERbeta) with oxytocin and vasopressin in the paraventricular and supraoptic nuclei of the female rat brain: an immunocytochemical study".Proceedings of the National Academy of Sciences of the United States of America.95(6): 3281–3286.Bibcode:1998PNAS...95.3281A.doi:10.1073/pnas.95.6.3281.PMC19733.PMID9501254.
- Brandenberger AW, Tee MK, Jaffe RB (March 1998)."Estrogen receptor alpha (ER-alpha) and beta (ER-beta) mRNAs in normal ovary, ovarian serous cystadenocarcinoma and ovarian cancer cell lines: down-regulation of ER-beta in neoplastic tissues".The Journal of Clinical Endocrinology and Metabolism.83(3): 1025–1028.doi:10.1210/jcem.83.3.4788.PMID9506768.
- Moore JT, McKee DD, Slentz-Kesler K, Moore LB, Jones SA, Horne EL, et al. (June 1998). "Cloning and characterization of human estrogen receptor beta isoforms".Biochemical and Biophysical Research Communications.247(1): 75–78.doi:10.1006/bbrc.1998.8738.PMID9636657.
- Ogawa S, Inoue S, Watanabe T, Orimo A, Hosoi T, Ouchi Y, Muramatsu M (August 1998)."Molecular cloning and characterization of human estrogen receptor betacx: a potential inhibitor ofestrogen action in human".Nucleic Acids Research.26(15): 3505–3512.doi:10.1093/nar/26.15.3505.PMC147730.PMID9671811.
- Lu B, Leygue E, Dotzlaw H, Murphy LJ, Murphy LC, Watson PH (March 1998). "Estrogen receptor-beta mRNA variants in human and murine tissues".Molecular and Cellular Endocrinology.138(1–2): 199–203.doi:10.1016/S0303-7207(98)00050-1.PMID9685228.S2CID54243493.
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External links
[edit]- Estrogen+Receptor+betaat the U.S. National Library of MedicineMedical Subject Headings(MeSH)
- Overview of all the structural information available in thePDBforUniProt:Q92731(Estrogen receptor beta) at thePDBe-KB.
This article incorporates text from theUnited States National Library of Medicine,which is in thepublic domain.