For research use only.
Catalog No.S8759 Synonyms: S 055746,BCL201
CAS No. 1448584-12-0
S55746 (S 055746,BCL201) is a novel, orally active BCL-2 specific inhibitor (Ki = 1.3 nM) with poor affinity for BCL-XL and no significant binding to MCL-1, BFL-1 (BCL2A1/A1). The selectivity of S55746 for BCL-2 versus BCL-XL ranges from ~70 to 400 folds.
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|Description||S55746 (S 055746,BCL201) is a novel, orally active BCL-2 specific inhibitor (Ki = 1.3 nM) with poor affinity for BCL-XL and no significant binding to MCL-1, BFL-1 (BCL2A1/A1). The selectivity of S55746 for BCL-2 versus BCL-XL ranges from ~70 to 400 folds.|
S55746 occupies the hydrophobic groove of BCL-2. In a panel of hematological cell lines, S55746 induces hallmarks of apoptosis including externalization of phosphatidylserine, caspase-3 activation and PARP cleavage. S55746 potently induces RS4;11 cell killing after 72 h of treatment with an IC50 of 71.6 nM and exhibits a much weaker activity in H146 (IC50 = 1.7 μM), a BCL-XL-dependent cell line, which expresses a low level of BCL-2 and high level of BCL-XL. It has no cytotoxic activity on BCL-XL-dependent cells, such as platelets.
S55746 administered by oral route daily in mice demonstrates robust anti-tumor efficacy in two hematological xenograft models (RS4;11 and Toledo models) with no weight lost and no change in behavior.
|In vitro||DMSO||100 mg/mL (140.68 mM)|
* 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.
In vivo Formulation Calculator (Clear solution)
|Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)|
|Dosage||mg/kg||Average weight of animals||g||Dosing volume per animal||ul||Number of animals|
|Step 2: Enter the in vivo formulation ()|
|% DMSO % % Tween 80 % ddH2O|
Working concentration： mg/ml；
Method for preparing DMSO master liquid: ： mg drug pre-dissolved in μL DMSO (Master liquid concentration mg/mL，)
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 ddH2O，mix and clarify.
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.
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Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)
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Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )
* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / COA (available online).
Molecular Weight Calculator
Enter the chemical formula of a compound to calculate its molar mass and elemental composition:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Clinical Trial Information
|NCT Number||Recruitment||interventions||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT02603445||Completed||Drug: BCL201|Drug: Idelalisib||Follicular Lymphoma Mantle Cell Lymphoma||Novartis Pharmaceuticals|Novartis||November 16 2015||Phase 1|
|NCT02920541||Completed||Drug: S 055746||Acute Myeloid Leukaemia (AML)|Myelodysplastic Syndrome (MDS)||Institut de Recherches Internationales Servier|ADIR a Servier Group company|Servier||January 2015||Phase 1|
|NCT02920697||Completed||Drug: S 55746||Chronic Lymphocytic Leukaemia (CLL)|B-Cell Non-Hodgkin Lymphoma (NHL)|Multiple Myeloma (MM)||Institut de Recherches Internationales Servier|ADIR a Servier Group company|Servier||March 2014||Phase 1|
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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