PPT
Chemical Name: 4,4',4''-(4-Propyl-[1H]-pyrazole-1,3,5-triyl)trisphenol
Purity: ≥99%
Biological Activity
PPT is a potent, subtype-selective estrogen receptor agonist (EC50 ~ 200 pM); displays 410-fold selectivity for ERα over ERβ. Prevents ovariectomy-induced weight gain and loss of bone mineral density, and induces gene expression in the hypothalamus following systemic administration in vivo.Technical Data
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Background References
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Loss of estrogen-mediated immunoprotection underlies female gender bias in experimental Crohn's-like ileitis.
Goodman, W A, Garg, R R, Reuter, B K, Mattioli, B, Rissman, E F, Pizarro, T T
Mucosal Immunol, 2014;7(5):1255-65. -
Activation of estrogen receptor alpha induces beiging of adipocytes
RS Santos, AP Frank, LA Fátima, BF Palmer, DJ Clegg
Mol Metab, 2018;0(0):. -
Urocortin suppresses endometrial cancer cell migration via CRFR2 and its system components are differentially modulated by estrogen
GL Owens, KM Lawrence, TR Jackson, EJ Crosbie, BS Sayan, HC Kitchener, PA Townsend
Cancer Med, 2017;0(0):. -
Estrogen receptor (ER) agonists differentially regulate neuroangiogenesis in peritoneal endometriosis via the repellent factor SLIT3.
Greaves E, Collins F, Esnal-Zufiaurre A, Giakoumelou S, Horne A, Saunders P
Endocrinology, 2014;155(10):4015-26. -
17 beta-Estradiol activates GPER- and ESR1-dependent pathways inducing apoptosis in GC-2 cells, a mouse spermatocyte-derived cell line.
Chimento A, Sirianni R, Casaburi I, Ruggiero C, Maggiolini M, Ando S, Pezzi V
Mol. Cell. Endocrinol., 2012;355(1):49-59. -
The DEK oncogene is a target of steroid hormone receptor signaling in breast cancer.
Privette Vinnedge L, Ho S, Wikenheiser-Brokamp K, Wells S
PLoS ONE, 2012;7(10):e46985. -
ERbeta-mediated estradiol enhances epithelial mesenchymal transition of lung adenocarcinoma through increasing transcription of midkine.
Mol. Endocrinol., 2012;26(8):1304-15. -
Conformational changes and coactivator recruitment by novel ligands for estrogen receptor-α and estrogen receptor-β: correlations with biological character and distinct differences among SRC coactivator family members.
Kraichely et al.
Endocrinology, 2000;141:3534 -
Characterization of the biological roles of the estrogen receptors, ERα and ERβ, in estrogen target tissues in vivo through the use of an ERα-selective ligand.
Harris et al.
Endocrinology, 2002;143:4172 -
Pyrazole ligands: structure-affinity/activity relationships and estrogen receptor-α-selective agonists.
Stauffer et al.
J.Med.Chem., 2000;43:4934
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Citations for PPT
The citations listed below are publications that use Tocris products. Selected citations for PPT include:
93 Citations: Showing 1 - 10
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Pancreatic Ins content regulation by the estrogen receptor ER alpha.
Authors: Alonso-Magdalena Et al.
PLoS One ;3:e2069
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GPER is a mechanoregulator of pancreatic stellate cells and the tumor microenvironment.
Authors: Cortes Et al.
EMBO Rep 2019;20
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Loss of the interaction between E2 and IGF-1 in brain endothelial cells associates to changes in mood homeostasis during peri-menopause in mice.
Authors: Munive Et al.
Aging (Albany NY) 2019;11:174
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ERβ Accelerates Diabetic Wound Healing by Ameliorating Hyperglycemia-Induced Persistent Oxidative Stress.
Authors: Zhou Et al.
Front Endocrinol (Lausanne) 2019;10:499
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Estrogen Promotes Pro-resolving Microglial Behavior and Phagocytic Cell Clearance Through the Actions of Annexin A1.
Authors: Loiola Et al.
Front Endocrinol (Lausanne) 2019;10:420
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17β-estradiol regulates the RNA-binding protein Nova1, which then regulates the alternative splicing of estrogen receptor β in the aging female rat brain.
Authors: Shults Et al.
Neurobiol Aging 2018;61:13
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Distal Dendritic Enrichment of HCN1 Channels in Hippocampal CA1 Is Promoted by Estrogen, but Does Not Require Reelin.
Authors: Meseke Et al.
Eneuro 2018;5
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Activation of estrogen receptor alpha induces beiging of adipocytes.
Authors: Santos Et al.
Mol Metab 2018;18:51
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Tph2-/- female mice restore socio-sexual recognition through upregulating ERα and OTR genes in the amygdala.
Authors: Huo Et al.
PLoS One 2018;13:e0193395
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Feedback control of the CXCR7/CXCL11 chemokine axis by estrogen receptor α in ovarian cancer.
Authors: Benhadjeba Et al.
Mol Oncol 2018;12:1689
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Estrogen enhances mismatch repair by induction of MLH1 expression via estrogen receptor-β.
Authors: Lu Et al.
Oncotarget 2017;8:38767
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Understanding the dynamics of Toll-like Receptor 5 response to flagellin and its regulation by estradiol.
Authors: Caballero Et al.
Sci Rep 2017;7:40981
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Molecular mechanisms involved in the non-monotonic effect of bisphenol-a on Ca2+ entry in mouse pancreatic β-cells.
Authors: Villar-Pazos Et al.
Sci Rep 2017;7:11770
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Estrogen receptor 1 (ESR1) regulates VEGFA in adipose tissue.
Authors: Fatima
Sci Rep 2017;7(1):16716
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Identification of Differential ER-Alpha Versus ER-Beta Mediated Activation of eNOS in Ovine Uterine Artery Endothelial Cells.
Authors: Pastore Et al.
Biol Reprod 2016;94:139
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Multiple direct and indirect mechanisms drive estrogen-induced tumor growth in high grade serous ovarian cancers.
Authors: Ciucci Et al.
Oncotarget 2016;7:8155
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Genetic variability in a frozen batch of MCF-7 cells invisible in routine authentication affecting cell function.
Authors: Kleensang Et al.
Sci Rep 2016;6:28994
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Estrogen replacement therapy-induced neuroprotection against brain ischemia-reperfusion injury involves the activation of astrocytes via estrogen receptor β.
Authors: Ma Et al.
Sci Rep 2016;6:21467
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Pharmacological activation of estrogen receptors-α and -β differentially modulates keratinocyte differentiation with functional impact on wound healing.
Authors: Perželová Et al.
Endocrinology 2016;37:42603
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17β-OE Acutely Potentiates Glutamatergic Synaptic Transmission in the Hippocampus through Distinct Mechanisms in Males and Females.
Authors: Oberlander
J Neurosci 2016;36:2677
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ERα Mediates Estrogen-Induced Expression of the Breast Cancer Metastasis Suppressor Gene BRMS1.
Authors: Ma
Int J Mol Sci 2016;17
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Mechanisms by Which 17β-OE (E2) Suppress Neuronal cox-2 Gene Expression.
Authors: Stacey Et al.
PLoS One 2016;11:e0161430
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Rapid modulation of synaptogenesis and spinogenesis by 17β-OE in primary cortical neurons.
Authors: Sellers Et al.
Front Cell Neurosci 2015;9:137
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Nitrostyrene Derivatives Act as RXRα Ligands to Inhibit TNFα Activation of NF-κB.
Authors: Zeng Et al.
J Exp Med 2015;75:2049
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Estrogen receptor subtypes mediate distinct microvascular dilation and reduction in [Ca2+]I in mesenteric microvessels of female rat.
Authors: Mazzuca Et al.
J Pharmacol Exp Ther 2015;352:291
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Oestrogen receptors interact with the α-catalytic subunit of AMP-activated protein kinase.
Authors: Lipovka Et al.
Cancer Res 2015;35
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Biologic roles of estrogen receptor-β and Ins-like growth factor-2 in triple-negative breast cancer.
Authors: Hamilton Et al.
Biomed Res Int 2015;2015:925703
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Estrogen mediated expression of nucleophosmin 1 in human endometrial carcinoma clinical stages through estrogen receptor-α signaling.
Authors: Zhou Et al.
Int J Mol Med 2015;14:540
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Gender effect in experimental models of human medulloblastoma: does the estrogen receptor β signaling play a role?
Authors: Ciucci Et al.
J Natl Cancer Inst 2014;9:e101623
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Loss of estrogen-mediated immunoprotection underlies female gender bias in experimental Crohn's-like ileitis.
Authors: Goodman Et al.
PLoS One 2014;7:1255
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Rat uterine oxyt. receptor and estrogen receptor α and β mRNA levels are regulated by estrogen through multiple estrogen receptors.
Authors: Murata Et al.
PLoS One 2014;60:55
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Activation of a Gq-coupled membrane estrogen receptor rapidly attenuates α2-adrenoceptor-induced antinociception via an ERK I/II-dependent, non-genomic mechanism in the female rat.
Authors: Nag and Mokha
Am J Physiol Regul Integr Comp Physiol 2014;267:122
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Support of a bi-faceted role of estrogen receptor β (ERβ) in ERα-positive breast cancer cells.
Authors: Jonsson Et al.
Endocr Relat Cancer 2014;21:143
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Both GPER and membrane oestrogen receptor-α activation protect ventricular remodelling in 17β oOE-treated ovariectomized infarcted rats.
Authors: Lee Et al.
J Cell Mol Med 2014;18:2454
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Estrogen responsiveness of the TFIID subunit TAF4B in the normal mouse ovary and in ovarian tumors.
Authors: Wardell Et al.
Biol Reprod 2013;89:116
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The memory-enhancing effects of hippocampal estrogen receptor activation involve metabotropic glutamate receptor signaling.
Authors: Boulware Et al.
J Neuroendocrinol 2013;33:15184
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The membrane estrogen receptor ligand STX rapidly enhances GABAergic signaling in NPY/AgRP neurons: role in mediating the anorexigenic effects of 17β-OE.
Authors: Smith Et al.
Am J Physiol Endocrinol Metab 2013;305:E632
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The effect of estrogen compounds on human embryoid bodies.
Authors: Kim Et al.
Nucl Recept 2013;20:661
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Estrogen Induces Metastatic Potential of Papillary Thyroid Cancer Cells through Estrogen Receptor α and β.
Authors: Dong Et al.
Int J Endocrinol 2013;2013:941568
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Oestrogen receptor α agonist improved long-term ovariectomy-induced spatial cognition deficit in young rats.
Authors: Qu Et al.
Int J Neuropsychopharmacol 2013;16:1071
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OE promotes the development of a fibrotic phenotype and is increased in the serum of patients with systemic sclerosis.
Authors: Aida-Yasuoka Et al.
Behav Brain Res 2013;15:R10
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The DEK oncogene is a target of steroid hormone receptor signaling in breast cancer.
Authors: Vinnedge Et al.
Neuroscience 2012;7:e46985
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Estrogen modulates NFκB signaling by enhancing IκBα levels and blocking p65 binding at the promoters of inflammatory genes via estrogen receptor-β.
Authors: Xing Et al.
PLoS One 2012;7:e36890
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Estrogen prevents oxidative damage to the mitochondria in Friedreich's ataxia skin fibroblasts.
Authors: Richardson Et al.
Neuropsychopharmacology 2012;7:e34600
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Estrogen represses hepatocellular carcinoma (HCC) growth via inhibiting alternative activation of tumor-associated macrophages (TAMs).
Authors: Yang Et al.
J Biol Chem 2012;287:40140
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Estrogen-responsive nitroso-proteome in uterine artery endothelial cells: role of endothelial nitric oxide synthase and estrogen receptor-β.
Authors: Zhang Et al.
J Cell Physiol 2012;227:146
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Src Inhibition with saracatinib reverses fulves. resistance in ER-positive ovarian cancer models in vitro and in vivo.
Authors: Simpkins Et al.
Clin Cancer Res 2012;18:5911
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OE increases cell growth in human astrocytoma cell lines through ERα activation and its interaction with SRC-1 and SRC-3 coactivators.
Authors: González-Arenas Et al.
Biochim Biophys Acta 2012;1823:379
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OE directly attenuates sodium currents and depolarizing afterpotentials in isolated gonadotropin-releasing hormone neurons.
Authors: Wang and Kuehl-Kovarik
Brain Res 2012;1436:81
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Generation of stable reporter breast cancer cell lines for the identification of ER subtype selective ligands.
Authors: Shanle Et al.
Biochem Pharmacol 2011;82:1940
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OE and progesterone strongly inhibit the innate immune response of mononuclear cells in newborns.
Authors: Giannoni Et al.
Infect Immun 2011;79:2690
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17β-OE enhances breast cancer cell motility and invasion via extra-nuclear activation of actin-binding protein ezrin.
Authors: Zheng Et al.
PLoS One 2011;6:e22439
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Specific activation of estrogen receptor α and β enhances male sexual behavior and neuroplasticity in male Japanese quail.
Authors: Seredynski Et al.
Endocrinology 2011;6:e18627
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Sex hormone control of left ventricular structure/function: mechanistic insights using echocardiography, expression, and DNA methylation analyses in adult mice.
Authors: Sebag Et al.
Am J Pathol 2011;301:H1706
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Oestrogen induces rhythmic expression of the Kisspeptin-1 receptor GPR54 in hypothalamic gonadotrophin-releasing hormone-Secr.g GT1-7 cells.
Authors: Tonsfeldt Et al.
PLoS One 2011;23:823
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The liver receptor homolog-1 (LRH-1) is expressed in human islets and protects {β}-cells against stress-induced apoptosis.
Authors: Baquié Et al.
J Pharmacol Exp Ther 2011;20:2823
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Molecular mechanisms of bladder outlet obstruction in transgenic male mice overexpressing aromatase (Cyp19a1).
Authors: Lin Et al.
Mucosal Immunol 2011;178:1233
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Estrogen protection in Friedreich's ataxia skin fibroblasts.
Authors: Richardson Et al.
Endocrinology 2011;152:2742
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Estrogen receptor-mediated enhancement of venous relaxation in female rat: implications in sex-related differences in varicose veins.
Authors: Raffetto Et al.
J Vasc Surg 2010;51:972
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OE selectively stimulates endothelial prostacyclin production through estrogen receptor-{alpha}.
Authors: Sobrino Et al.
J Mol Endocrinol 2010;44:237
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OE acutely potentiates hippocampal excitatory synaptic transmission through a presynaptic mechanism.
Authors: Smejkalova and Woolley
J Neurosci 2010;30:16137
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Estrogen stimulates degradation of β-amyloid peptide by up-regulating neprilysin.
Authors: Liang Et al.
Arthritis Res Ther 2010;285:935
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Gender-specific reduction in contraction is associated with increased estrogen receptor expression in single vascular smooth muscle cells of female rat.
Authors: Ma Et al.
Cell Physiol Biochem 2010;26:457
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Estrogen promotes cutaneous wound healing via estrogen receptor β independent of its antiinflammatory activities.
Authors: Campbell Et al.
Mol Cell Endocrinol 2010;207:1825
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17β-OE inhibits wound healing in male mice via estrogen receptor-α.
Authors: Gilliver Et al.
J Neurosci 2010;176:2707
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Neonatal bisphenol-a exposure alters rat reproductive development and ovarian morphology without impairing activation of gonadotropin-releasing hormone neurons.
Authors: Adewale Et al.
Biol Reprod 2009;81:690
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Clomiphene citrate causes aberrant tubal apoptosis and estrogen receptor activation in rat fallopian tube: implications for tubal ectopic pregnancy.
Authors: Shao Et al.
Biol Reprod 2009;80:1262
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Estrogen inhibits ATR signaling to cell cycle checkpoints and DNA repair.
Authors: Pedram Et al.
Mol Biol Cell 2009;20:3374
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Neonatal agonism of ERα masculinizes serotonergic (5-HT) projections to the female rat ventromedial nucleus of the hypothalamus (VMN) but does not impair lordosis.
Authors: Patisaul Et al.
Hum Mol Genet 2009;196:317
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Protopanaxadiol and protopanaxatriol bind to glucocorticoid and oestrogen receptors in endothelial cells.
Authors: Leung Et al.
Br J Pharmacol 2009;156:626
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Estrogen receptor-beta agonist diarylpropionitrile: biological activities of R- and S-enantiomers on behavior and hormonal response to stress.
Authors: Weiser Et al.
Endocrinology 2009;150:1817
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Blockade of estrogen receptor signaling inhibits growth and migration of medulloblastoma.
Authors: Belcher Et al.
Endocrinology 2009;150:1112
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Estrogen receptor alpha and beta specific agonists regulate expression of synaptic proteins in rat hippocampus.
Authors: Waters Et al.
Brain Res 2009;1290:43405
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Different roles of estrogen receptors alpha and beta in the regulation of E-cadherin protein levels in a mouse mammary epithelial cell line.
Authors: Helguero Et al.
Cancer Res 2008;68:8695
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Mitochondrial effects of estrogen are mediated by estrogen receptor α in brain endothelial cells.
Authors: Razmara Et al.
Am J Physiol Heart Circ Physiol 2008;325:782
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Liquiritigenin is a plant-derived highly selective estrogen receptor β agonist.
Authors: Mersereau Et al.
J Biol Chem 2008;283:49
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Roles of estrogen receptor alpha and beta in modulating urothelial cell proliferation.
Authors: Teng Et al.
Endocr Relat Cancer 2008;15:351
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The novel estrogen receptor, G protein-coupled receptor 30, mediates the proliferative effects induced by 17β-OE on mouse spermatogonial GC-1 cell line.
Authors: Sirianni Et al.
Biosci Rep 2008;149:5043
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An estrogen receptor-alpha knock-in mutation provides evidence of ligand-independent signaling and allows modulation of ligand-induced pathways in vivo.
Authors: Sinkevicius Et al.
Endocrinology 2008;149:2970
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Estrogen receptor beta protects against acoustic trauma in mice.
Authors: Meltser Et al.
J Clin Invest 2008;118:1563
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Influence of cellular ERalpha/ERbeta ratio on the ERalpha-agonist induced proliferation of human T47D breast cancer cells.
Authors: Sotoca Et al.
Toxicol Sci 2008;105:303
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Estrogen-dependent signaling in a molecularly distinct subclass of aggressive prostate cancer.
Authors: Setlur Et al.
Horm Behav 2008;100:815
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Evidence for the involvement of ERβ and RGS9-2 in 17-β OE enhancement of amphetamine-induced place preference behavior.
Authors: Silverman and Koenig
PLoS One 2007;52:146
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NM23-H2, an estrogen receptor β-associated protein, shows diminished expression with progression of atherosclerosis.
Authors: Rayner Et al.
Reprod Sci 2007;292:R743
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17beta-OE utilizes the estrogen receptor to regulate CD16 expression in monocytes.
Authors: Kramer Et al.
Mol Cell Endocrinol 2007;279:16
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Studies on estrogen receptor (ER) alpha and beta responses on gene regulation in peripheral blood leukocytes in vivo using selective ER agonists.
Authors: Stygar Et al.
J Endocrinol 2007;194:101
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Tissue- and hormone-dependent progesterone receptor distribution in the rat uterus.
Authors: Sahlin Et al.
Reprod Biol Endocrinol 2006;4:47
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17β-OE induces apoptosis in the developing rodent prostate independently of ERα or ERβ.
Authors: Taylor Et al.
Am J Pathol 2006;147:191
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Estrogen receptor alpha pathway is involved in the regulation of Calbindin-D9k in the uterus of immature rats.
Authors: Lee Et al.
Toxicol Sci 2005;84:270
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Stimulatory cross-talk between NFAT3 and estrogen receptor in breast cancer cells.
Authors: Zhang Et al.
J Biol Chem 2005;280:43188
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Estrogen modulates endothelial and neuronal nitric oxide synthase expression via an estrogen receptor beta-dependent mechanism in hypothalamic slice cultures.
Authors: Gingerich and Krukoff
Endocrinology 2005;146:2933
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Estrogen receptor-alpha mediates gene expression changes and growth response in ovarian cancer cells exposed to estrogen.
Authors: O'Donnell Et al.
Endocr Relat Cancer 2005;12:851
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Estrogen receptor-dependent activation of AP-1 via non-genomic signalling.
Authors: Björnström and Sjöberg
Cancer Cell Int 2004;2:3
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