Sabutoclax

Catalog No.S8061

Sabutoclax(BI-97C1) is a pan-Bcl-2 inhibitor, including Bcl-xL, Bcl-2, Mcl-1 and Bfl-1 with IC50 of 0.31 μM, 0.32 μM, 0.20 μM and 0.62 μM, respectively.

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Sabutoclax Chemical Structure

Sabutoclax Chemical Structure
Molecular Weight: 700.78

Validation & Quality Control

Quality Control & MSDS

Product Information

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  • Research Area
  • Inhibition Profile

Product Description

Biological Activity

Description Sabutoclax(BI-97C1) is a pan-Bcl-2 inhibitor, including Bcl-xL, Bcl-2, Mcl-1 and Bfl-1 with IC50 of 0.31 μM, 0.32 μM, 0.20 μM and 0.62 μM, respectively.
Targets Mcl-1 [1] Bcl-xL [1] Bcl-2 [1] Bfl-1 [1]
IC50 0.20 μM 0.31 μM 0.32 μM 0.62 μM
In vitro BI-97C1 potently inhibits cell growth of human prostate cancer, lung cancer, and lymphoma cell lines with EC50 values of 0.13, 0.56, and 0.049 μM, respectively, and shows little cytotoxicity against bax-/-bak-/- cells[1]. It is suggest that treatment with the combination regimen of mda-7/IL-24 and BI-97C1 induces autophagy that facilitates apoptosis in association with up-regulation of NOXA, accumulation of Bim, and activation of Bax and Bak[2].
In vivo BI-97C1 displays in vivo efficacy in transgenic mice in which Bcl-2 is overexpressed in splenic B-cells and also demonstrates superior single-agent antitumor efficacy in a prostate cancer mouse xenograft model that depends on Mcl-1 for survival[1]. Treatment with Ad.5/3-mda-7 and BI-97C1 significantly inhibits the growth of human PC xenografts in nude mice and spontaneously induced PC in Hi-myc transgenic mice. Tumor growth inhibition correlats with increased TUNEL staining and decreased Ki-67 expression in both PC xenografts and prostates of Hi-myc mice[2].
Features

Protocol(Only for Reference)

Kinase Assay: [1]

Competitive fluorescence polarization assays (FPA) A Bak BH3 peptide (F-BakBH3) (GQVGRQLAIIGDDINR) is labeled at the N-terminus with fluorescein isothiocyanate (FITC) and purified by HPLC. For competitive binding assays, 100 nM GST-Bcl-XL ΔTM protein is preincubated with the tested compound at varying concentrations in 47.5 μL PBS (pH = 7.4) in 96-well black plates at room temperature for 10 min, and then 2.5 μL of 100 nM FITC-labeled Bak BH3 peptide is added to produce a final volume of 50 μL. The wild-type and mutant Bak BH3 peptides are included in each assay plate as positive and negative controls, respectively. After 30 min incubation at room temperature, the polarization values in millipolarization units are measured at excitation/emission wavelengths of 480/535 nm with a multilabel plate reader. IC50 is determined by fitting the experimental data to a sigmoidal dose-response nonlinear regression model. Data reported are mean of three independent experiments. Performance of Bcl-2 and Mcl-1FPA are similar. Briefly, 50 nM of GST-Bcl-2 or -Mcl-1are incubatedwith various concentrations of compound (4 and 11-14) for 2 min, and then 15 nM FITC-conjugated-Bim BH3 peptide is added in PBS buffer. Fluorescence polarization is measured after 10 min.

Cell Assay: [1]

Cell lines PC3, H460, H1299
Concentrations ~1 μM
Incubation Time 72 h
Method ATP-LITE assay

Animal Study: [1]

Animal Models Bcl-2 transgenic mice, human prostate cancer xenografts
Formulation ethanol:Cremophor EL:saline = 10:10:80
Dosages 1 mg/kg, 3 mg/kg, 5 mg/kg
Administration intraperitoneally

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)0.020.151.80.40.0810
Body Surface Area (m2)0.0070.0250.150.050.020.5
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Wei J, et al. J Med Chem, 2010, 53(10), 4166-4176

[2] Dash R, et al. Proc Natl Acad Sci U S A, 2011, 108(21), 8785-8790.

Chemical Information

Download Sabutoclax SDF
Molecular Weight (MW) 700.78
Formula

C42H40N2O8

CAS No. 1228108-65-3
Storage 3 years -20℃powder
6 months-80℃in solvent
Synonyms BI-97C1
Solubility (25°C) * In vitro DMSO 100 mg/mL warmed (142.69 mM)
Ethanol 54 mg/mL warmed (77.05 mM)
Water <1 mg/mL (<1 mM)
In vivo
* <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.
Chemical Name [2,2'-Binaphthalene]-5,5'-dicarboxamide, 1,1',6,6',7,7'-hexahydroxy-3,3'-dimethyl-N5,N5'-bis[(2R)-2-phenylpropyl]-, (1R)

Tech Support

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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
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