Bazedoxifene (WAY-140424) HCl

Catalog No.S2128 Batch:S212801

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Technical Data

Formula

C30H34N2O3.HCl
Molecular Weight 507.06 CAS No. 198480-56-7
Solubility (25°C)* In vitro DMSO 90 mg/mL (177.49 mM)
Water Insoluble
Ethanol Insoluble
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description Bazedoxifene HCl (WAY-140424, TSE-424) is a novel, non-steroidal, indole-based estrogen receptor modulator (SERM) binding to both ERα and ERβ with IC50 of 23 nM and 89 nM, respectively.
Targets
ERα [1]
(radioligand binding assay)		 ERβ [1]
(radioligand binding assay)
23 nM 89 nM
In vitro Bazedoxifene is a third generation selective estrogen receptor modulator (SERM). Bazedoxifene does not stimulate ERα mediated transcriptional activity and acts as an antagonist to estradiol in cultured breast cancer (bMCF-7) cells. Similar results are seen in other cell lines including CHO (ovarian), HepG2 (hepatic) or GTI-7 (neuronal) with bazedoxifene having no ERα agonist activity and acting as an antagonist to estradiol action.[2] Bazedoxifene does not stimulate proliferation of MCF-7 cells but did inhibit 17β-estradiol-induced proliferation with IC50 of 0.19 nM. [3]
In vivo In an immature rat model, bazedoxifene increases uterine wet weight 35% at a dose of 0.5 mg/kg compared to an 85% increase with raloxifene at the same dose and a 300% increase in uterine weight with ethinyl estradiol at a dose of 10 μg/kg. Ovarectomized rats treated with 0.3 mg/d bazedoxifene displayed maintenance of bone mass and bone strength similar to effects seen with 2 μg/d ethinyl estradiol, 3 mg/d raloxifene, or sham operated animals. [2]

Protocol (from reference)

Kinase Assay:[3]
  • Ligand binding competition experiments

    Test compounds are initially solubilized in DMSO and the final concentration of DMSO in the binding assay is ≤ 1%. Eight dilutions of each test compound are used as an unlabelled competitor for [3H]17β-estradiol. Typically, a set of compound dilutions would be tested simultaneously on human, rat and mouse ER-α and ER-β. The results are plotted as measured DPM vs. concentration of test compound. For dose-response curve fitting, a four parameter logistic model on the transformed, weighted data are fit and the IC50 is defined as the concentration of compound decreasing maximum [3H]estradiol binding by 50%. For active compounds, the IC50 is determined at least three times. It should be noted that IC50 values are not direct measures of a ligand’s affinity for the receptor. Rather, they can only be compared as relative values, in this case to 17β-estradiol.
Cell Assay:[3]
  • Cell lines

    MCF-7

  • Concentrations

    ~10 nM

  • Incubation Time

    7 days

  • Method

    For the proliferation assay, cells are plated at 20,000 cells/well in a 24-well plate in DMEM/F12 (50:50) (phenol red-free) with 10% charcoal/dextran-treated FBS and 1 × GlutaMAX-1. After overnight incubation, the medium is aspirated and treatments in DMEM/F12 (50:50) (phenol red-free) with 2% charcoal/dextran-treated FBS and 1 × GlutaMAX-1 are added to the wells. Each plate has a vehicle (baseline proliferation) and treatments. Treatments included 10 pM 17β-estradiol determined to be the EC80 for 17β-estradiol and 17β-estradiol in combination with six concentrations of BZA. Treatments from d 1 are renewed on d 3 and d 6 by aspirating medium from wells and replacing with fresh medium and treatments. On d 7, cells are detached from the plate using trypsin-EDTA and counted using a Multisizer II.
Animal Study:[2]
  • Animal Models

    Sprague Dawley rats

  • Dosages

    0.5 and 5.0 mg/kg

  • Administration

    SC

Customer Product Validation

Data from [J Med Chem, 2014, 57(3), 632-41]

Data from [Data independently produced by , , PLoS One, 2016, 24;11(3):e0151182]

Selleck's Bazedoxifene (WAY-140424) HCl has been cited by 16 publications

The Interleukin-11/IL-11 Receptor Promotes Glioblastoma Survival and Invasion under Glucose-Starved Conditions through Enhanced Glutaminolysis [ Int J Mol Sci, 2023, 24(4)3356] PubMed: 36834778
Targeting the gp130/STAT3 Axis Attenuates Tumor Microenvironment Mediated Chemoresistance in Group 3 Medulloblastoma Cells [ Cells, 2022, 11(3)381] PubMed: 35159191
Utilizing an Endogenous Progesterone Receptor Reporter Gene for Drug Screening and Mechanistic Study in Endometrial Cancer [ Cancers (Basel), 2022, 14(19)4883] PubMed: 36230806
A compendium of kinetic modulatory profiles identifies ferroptosis regulators [ Nat Chem Biol, 2021, 10.1038/s41589-021-00751-4] PubMed: 33686292
Synergistic PIM kinase and proteasome inhibition as a therapeutic strategy for MYC-overexpressing triple-negative breast cancer [ Cell Chem Biol, 2021, S2451-9456(21)00400-1] PubMed: 34525344
Bazedoxifene inhibits sustained STAT3 activation and increases survival in GBM [ Transl Oncol, 2021, 14(11):101192] PubMed: 34365219
Autocrine and paracrine signaling contributes to acquired chemotherapeutic resistance in Group 3 medulloblastoma [ B.S., The University of Arizona, 2021, ] PubMed: none
The dysregulated pharmacology of clinically relevant ESR1 mutants is normalized by ligand-activated WT receptor. [ Mol Cancer Ther, 2020, 7 pii: molcanther] PubMed: 32381587
G1T48, an oral selective estrogen receptor degrader, and the CDK4/6 inhibitor lerociclib inhibit tumor growth in animal models of endocrine-resistant breast cancer. [ Breast Cancer Res Treat, 2020, 10.1007/s10549-020-05575-9] PubMed: 32130619
Repurposing the Selective Estrogen Receptor Modulator bazedoxifene to Suppress Gastrointestinal Cancer Growth [ EMBO Mol Med, 2019, 11(4):e9539] PubMed: 30885958

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

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