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GSK778 (Synonyms: iBET-BD1)

Catalog No.GC62654 Copy One-Click Copy Product Info

GSK778 (iBET-BD1) is a potent and selective BD1 bromodomain inhibitor of the BET proteins, with IC50s of 75 nM (BRD2 BD1), 41 nM (BRD3 BD1), 41 nM (BRD4 BD1), and 143 nM (BRDT BD1), respectively.

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GSK778 Chemical Structure

Cas No.: 2451862-42-1

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5 mg
$360.00
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10 mg
$576.00
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25 mg
$1,152.00
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50 mg
$2,160.00
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100 mg
$3,343.00
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Sample solution is provided at 25 µL, 10mM.



Description of GSK778

GSK778 (iBET-BD1) is a potent and selective BD1 bromodomain inhibitor of the BET proteins, with IC50s of 75 nM (BRD2 BD1), 41 nM (BRD3 BD1), 41 nM (BRD4 BD1), and 143 nM (BRDT BD1), respectively. GSK778 phenocopies the effects of pan-BET inhibitors in cancer models[1].

GSK778 inhibits BRD BD2 with the IC50s of 3950 nM (BRD2 BD2), 1210 nM (BRD3 BD2), 5843 nM (BRD4 BD2), and 17451 nM (BRDT BD2), respectively[1].GSK778 (0.01-10 μM; 72 hours) inhibits the proliferative activity of human primary CD4+ T cells and the production of effector cytokines including IFNγ, IL-17A and IL-22[1].GSK778 (0.001-10 μM; 5 days) has a more pronounced effect on the growth and viability of MDA-453, MOLM-13, K562, MV4-11, THP-1, and MDA-MB-231 cells[1].GSK778 (1000 nM; 72 hours) inhibits proliferation, induces a cell cycle arrest and apoptosis in MV4-11, MOLM13, MDA-MB-231 and MB453 cells[1].GSK778 (1000 nM; 12 days) reduces the clonogenic capacity of primary human AML cells[1].

GSK778 (15 mg/kg/BID; i.p. for 30 days) offers a superior survival advantage to iBET-BD2 in the aggressive MLL-AF9 AML model[1].GSK778 (15 mg/kg/BID; s.c. for 14 days) reduces the production of anti-keyhole limpet hemocyanin (KLH) IgM and is well tolerated[1].GSK778 exhibits Cmax (85 ng/mL), Tmax (1.48 h) and AUC∞ (132 ng.h/mL) following oral administration (10 mg/kg) in mice[1].

[1]. Omer G, et, al. Selective targeting of BD1 and BD2 of the BET proteins in cancer and immunoinflammation. Science. 2020 Apr 24; 368(6489): 387-394.

Chemical Properties of GSK778

Cas No. 2451862-42-1 SDF
Synonyms iBET-BD1
Formula C30H33N5O3 M.Wt 511.61
Solubility DMSO : 41.67 mg/mL (81.45 mM; Need ultrasonic) Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table of GSK778

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1 mg 5 mg 10 mg
1 mM 1.9546 mL 9.7731 mL 19.5461 mL
5 mM 390.9 μL 1.9546 mL 3.9092 mL
10 mM 195.5 μL 977.3 μL 1.9546 mL
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In vivo Formulation Calculator (Clear solution) of GSK778

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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL saline, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.

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Review for GSK778

Average Rating: 5 ★★★★★ (Based on Reviews and 32 reference(s) in Google Scholar.)

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