G-1
Chemical Name: (±)-1-[(3aR*,4S*,9bS*)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-8-yl]- ethanone
Purity: ≥98%
Biological Activity
G-1 is a potent and selective GPER agonist (Ki = 11 nM, EC50 = 2 nM); displays no activity at ERα and ERβ at concentrations up to 10 μM. Increases cytosolic Ca2+ and inhibits migration of SKBr3 cells and MCF-7 cells in response to chemoattractants (IC50 values are 0.7 and 1.6 nM respectively) in vitro. Blocks MCF-1 cell cycle progression at the G1 phase. Displays therapeutic effects in the mouse EAE model of multiple sclerosis. Also inhibits glutamate-induced autophagy and neuronal loss in cultured primary cortical neurons.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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G protein-coupled receptor 30 (GPR30) mediates gene expression changes and growth response to 17β-OE and selective GPR30 ligand G-1 in ovarian cancer cells.
Albanito et al.
Cancer Res., 2007;67:1859 -
Beneficial role of the GPR30 agonist G-1 in an animal model of multiple sclerosis.
Blasko et al.
J.Neuroimmunol., 2009;214:67 -
The G protein-coupled receptor GPR30 inhibits proliferation of estrogen receptor-positive breast cancer cells.
Ariazi et al.
Cancer Res., 2010;70:1184 -
Virtual and biomolecular screening converge on a selective agonist for GPR30.
Bologa et al.
Nature Chem.Biol., 2006;2:207 -
Activation of G-protein-coupled receptor 30 protects neurons against excitotoxicity through inhibiting excessive autophagy induced by glutamate.
Yue et al.
ACS Chem.Neurosci, 2019;10:4227
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Citations for G-1
The citations listed below are publications that use Tocris products. Selected citations for G-1 include:
19 Citations: Showing 1 - 10
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TAX mechanically deactivates hepatic stellate cells via the G protein-coupled estrogen receptor.
Authors: Cortes Et al.
Oncogene 2019;38:2910
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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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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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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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GPR30 decreases with vascular aging and promotes vascular smooth muscle cells maintaining differentiated phenotype and suppressing migration via activation of ERK1/2.
Authors: Huang Et al.
Onco Targets Ther 2016;9:3415
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A calixpyrrole derivative acts as an antagonist to GPER, a G-protein coupled receptor: mechanisms and models.
Authors: Lappano Et al.
Cell Death Dis 2015;8:1237
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SIRT1 is involved in oncogenic signaling mediated by GPER in breast cancer.
Authors: Santolla Et al.
Sci Rep 2015;6:e1834
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GPER agonist G-1 decreases adrenocortical carcinoma (ACC) cell growth in vitro and in vivo.
Authors: Chimento Et al.
Cell Death Dis 2015;6:19190
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Estrogen accelerates the resolution of inflammation in macrophagic cells.
Authors: Villa Et al.
Breast Cancer Res 2015;5:15224
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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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Acquisition of epithelial-mesenchymal transition phenotype in the tamoxifen-resistant breast cancer cell: a new role for G protein-coupled estrogen receptor in mediating tamox. resistance through cancer-associated fibroblast-derived fibronectin and
Authors: Yuan Et al.
Dis Model Mech 2015;17:69
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GPER mediates activation of HIF1α/VEGF signaling by estrogens.
Authors: Francesco Et al.
Cancer Res 2014;74:4053
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GPR30 activation decreases anxiety in the open field test but not in the elevated plus maze test in female mice.
Authors: Anchan Et al.
Am J Physiol Renal Physiol 2014;4:51
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Expression of the oestrogen receptor GPER by testicular peritubular cells is linked to sexual maturation and male fertility.
Authors: Sandner Et al.
Andrology 2014;2:695
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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
Oncotarget 2014;267:122
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Estrogen rapidly enhances incisional pain of ovariectomized rats primarily through the G protein-coupled estrogen receptor.
Authors: An Et al.
Brain Behav 2014;15:10479
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Selective GPER activation decreases proliferation and activates apoptosis in tumor Leydig cells.
Authors: Chimento Et al.
Int J Mol Sci 2013;4:e747
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Seven transmembrane G protein-coupled receptor repertoire of gastric ghrelin cells.
Authors: Engelstoft Et al.
Mol Metab 2013;2:376
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2-MethoxyOE inhibits experimental autoimmune encephalomyelitis through suppression of immune cell activation.
Authors: Duncan Et al.
Proc Natl Acad Sci U S A 2012;109:21034
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