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Bazedoxifene hydrochloride (TSE-424 hydrochloride) 能透过血脑屏障的,非甾体、选择性的雌激素受体调节剂 (SERM),对 ERα 和 ERβ 作用的 IC50 值分别为 26 nM 和 99 nM,可用于骨质疏松症的研究。Bazedoxifene hydrochloride 也是一种 IL-6/GP130 蛋白相互作用抑制剂,可用于胰腺癌的研究。
Information
Bazedoxifene HCl (WAY-140424, TSE-424) is a novel, non-steroidal, indole-based estrogen receptor modulator (SERM) binding to bothERαandERβwithIC50of 23 nM and 89 nM, respectively.
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. Bazedoxifene does not stimulate proliferation of MCF-7 cells but did inhibit 17β-estradiol-induced proliferation with IC50 of 0.19 nM.
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.
Cell Data
cell lines:
Concentrations:~10 nM
Incubation Time:7 days
Powder Purity:≥96%
| IC50 | ERα, IC50: 23 nM; ERβ, IC50: 89 nM |
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