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ARV-771 is a small-molecule pan-BET degrader with Kd values of 4.7, 7.6, 7.6 nM against BRD2, BRD3 and BRD4, respectively. ARV-771 potently degrades BRD2/3/4 in 22Rv1 cells with a DC50 less than 5 nM. c-MYC protein is a downstream effector of BET proteins. Treatment with ARV-771 results in depletion of c-MYC with an IC50 of less than 1 nM. ARV-771 shows strong antiproliferative effect on 22Rv1, VCaP, and LnCaP95 cell lines.
In vivo, treatment of non castrated male Nu/Nu mice bearing AR-V7+ 22Rv1 tumor xenografts with daily subcutaneous injections of ARV-771 at 10 mg/kg for 3 d results in 37% and 76% down-regulation of BRD4 and c-MYC levels, respectively, in tumor tissue.
| Cell Experiment | |
|---|---|
| Cell lines | 22Rv1 cells |
| Preparation method | ARV-771 is dissolved in DMSO. 22Rv1 cells (5,000 cells per well) are dosed with ARV-771 serially diluted 1:3 for a 10-point dose curve for 72 h. CellTiter-Glo Luminescent Cell Viability Assay is added, and the plate is read on a luminometer. Data are analyzed and plotted using GraphPad Prism software. |
| Concentrations | |
| Incubation time | 72 h |
| Animal Experiment | |
|---|---|
| Animal models | Mice bearing tumors |
| Formulation | |
| Dosages | (5, 10, 30, 50 mg/kg) for up to 3 wk |
| Administration | |
| Molecular Weight | 986.64 |
| Formula | C49H60ClN9O7S2 |
| CAS Number | 1949837-12-0 |
| Solubility (25°C) | DMSO 10 mM |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Epigenetic Reader Domain Products |
|---|
| RVX-208
Apabetalone (RVX-208) is a first-in-class, small molecule inhibitor of BET bromodomain with IC50 of 0.51 μM for BD2. |
| I-BET151
I-BET151 (GSK1210151A) is an inhibitor of the BET family with IC50 of 0.5 μM, 0.25 μM and 0.79 μM for BRD2, BRD3 and BRD4, respectively. |
| (+)-JQ1
(+)-JQ1 is a BET bromodomain inhibitor that acts on BRD4(2) with an IC50 of 33 nM and binds to all bromodomain domains in the BET family, but not to bromodomain domains outside the BET family. JQ1 down-regulates CD47 expression through a C-MYC-mediated pathway, and JQ1 down-regulates CD47 expression through a C-MYC-mediated pathway. |
| I-BET-762
I-BET-762 (GSK525762) is a selective small molecule BET inhibitor. |
| CPI-0610
CPI-0610 is a novel BET protein bromodomain inhibitor. |
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