G-1

Tocris Bioscience a Bio-Techne Brand

Catalog # 3577

Citations (19)

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Key Product Details

Description:	Potent and selective GPER agonist
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% (HPLC)
Molecular Weight:	412.28

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Biological Activity for G-1

G-1 is a potent and selective GPER agonist (K_i = 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 for G-1

M. Wt	412.28
Formula	C₂₁H₁₈BrNO₃
Storage	Store at -20°C
Purity	≥98% (HPLC)
CAS Number	881639-98-1
PubChem ID	5322399
InChi Key	VHSVKVWHYFBIFJ-HKZYLEAXSA-N
Smiles	CC(C5=CC([C@@]4([H])[C@@]([H])3CC=C4)=C(C=C5)N[C@H]3[C@]1=CC(OCO2)=C2C=C1Br)=O

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.

Solubility for G-1

	Solvent	Max Conc. mg/mL	Max Conc. mM
Solubility
Solubility	DMSO	41.23	100

Preparing Stock Solutions for G-1

The following data is based on the product molecular weight 412.28.

Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
1 mM	2.43 mL	12.13 mL	24.26 mL
5 mM	0.49 mL	2.43 mL	4.85 mL
10 mM	0.24 mL	1.21 mL	2.43 mL
50 mM	0.05 mL	0.24 mL	0.49 mL

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References for G-1

References are publications that support the biological activity of the product.

Yue Activation of G-protein-coupled receptor 30 protects neurons against excitotoxicity through inhibiting excessive autophagy induced by glutamate. ACS Chem.Neurosci 2019 PMID: 31545891
Ariazi The G protein-coupled receptor GPR30 inhibits proliferation of estrogen receptor-positive breast cancer cells. Cancer Res. 2010 PMID: 20086172
Blasko Beneficial role of the GPR30 agonist G-1 in an animal model of multiple sclerosis. J.Neuroimmunol. 2009 PMID: 19664827
Albanito 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. Cancer Res. 2007 PMID: 17308128
Bologa Virtual and biomolecular screening converge on a selective agonist for GPR30. Nature Chem.Biol.

Citations for G-1 (19)

Showing 1 - 10 of 19 citations Showing All

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Citations are publications that use Bio-Techne products. Selected citations for G-1 include:

Loiola et al. (2019) Estrogen Promotes Pro-resolving Microglial Behavior and Phagocytic Cell Clearance Through the Actions of Annexin A1. Front Endocrinol (Lausanne). 10:420
PMID: 31297095
Cortes et al. (2019) TAX mechanically deactivates hepatic stellate cells via the G protein-coupled estrogen receptor. Oncogene. 38:2910
PMID: 30575816
Meseke et al. (2018) Distal Dendritic Enrichment of HCN1 Channels in Hippocampal CA1 Is Promoted by Estrogen, but Does Not Require Reelin. Eneuro. 5
PMID: 30406178
Caballero et al. (2017) Understanding the dynamics of Toll-like Receptor 5 response to flagellin and its regulation by estradiol. Sci Rep. 7:40981
PMID: 28112187
Huang et al. (2016) GPR30 decreases with vascular aging and promotes vascular smooth muscle cells maintaining differentiated phenotype and suppressing migration via activation of ERK1/2. Onco Targets Ther. 9:3415
PMID: 27354813
Chimento et al. (2015) GPER agonist G-1 decreases adrenocortical carcinoma (ACC) cell growth in vitro and in vivo. Cell Death Dis. 6:19190
PMID: 26131713
Santolla et al. (2015) SIRT1 is involved in oncogenic signaling mediated by GPER in breast cancer. Sci Rep. 6:e1834
PMID: 26225773
Villa et al. (2015) Estrogen accelerates the resolution of inflammation in macrophagic cells. Breast Cancer Res. 5:15224
PMID: 26477569
Yuan et al. (2015) 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 Dis Model Mech. 17:69
PMID: 25990368
Lappano et al. (2015) A calixpyrrole derivative acts as an antagonist to GPER, a G-protein coupled receptor: mechanisms and models. Cell Death Dis. 8:1237
PMID: 26183213
Mazzuca et al. (2015) Estrogen receptor subtypes mediate distinct microvascular dilation and reduction in [Ca2+]I in mesenteric microvessels of female rat. J Pharmacol Exp Ther. 352:291
PMID: 25472954
An et al. (2014) Estrogen rapidly enhances incisional pain of ovariectomized rats primarily through the G protein-coupled estrogen receptor. Brain Behav. 15:10479
PMID: 24921706
Anchan et al. (2014) GPR30 activation decreases anxiety in the open field test but not in the elevated plus maze test in female mice. Am J Physiol Renal Physiol. 4:51
PMID: 24653954
Nag and Mokha (2014) 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. Oncotarget. 267:122
PMID: 24613724
Sandner et al. (2014) Expression of the oestrogen receptor GPER by testicular peritubular cells is linked to sexual maturation and male fertility. Andrology. 2:695
PMID: 25052196
Francesco et al. (2014) GPER mediates activation of HIF1α/VEGF signaling by estrogens. Cancer Res. 74:4053
PMID: 24894716
Engelstoft et al. (2013) Seven transmembrane G protein-coupled receptor repertoire of gastric ghrelin cells. Mol Metab. 2:376
PMID: 24327954
Chimento et al. (2013) Selective GPER activation decreases proliferation and activates apoptosis in tumor Leydig cells. Int J Mol Sci. 4:e747
PMID: 23907461
Duncan et al. (2012) 2-MethoxyOE inhibits experimental autoimmune encephalomyelitis through suppression of immune cell activation. Proc Natl Acad Sci U S A. 109:21034
PMID: 23213242

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