JB170

Cat No.:V51923 Purity: ≥98%
JB170 is a potent and specific PROTAC-mediated degrader of AURORA-A (DC50=28 nM) formed by linking Alisertib to the Cereblon ligand Thalidomide.
JB170 Chemical Structure CAS No.: 2705844-82-0
Product category: Aurora Kinase
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
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Product Description
JB170 is a potent and specific PROTAC-mediated degrader of AURORA-A (DC50=28 nM) formed by linking Alisertib to the Cereblon ligand Thalidomide. JB170 preferentially binds AURORA-A (EC50=193 nM) over AURORA-B (EC50=1.4μM). JB170-mediated S-phase arrest is caused by AURORA-A depletion. JB170 has excellent inhibitory ability against the non-catalytic functions of AURORA-A kinase.
Biological Activity I Assay Protocols (From Reference)
Targets
Aurora A 28 nM (DC50) Aurora A 99 nM (Kd) Aurora A 193 nM (EC50) Cereblon
ln Vitro
JB170 (1 μM; 24-72 hours; MV4-11 cells) decreases the survival of cancer cells via mediating the depletion of Aurora-A [1]. AURORA-A levels are lowered by JB170 (0.01-10 μM; 6 hours; MV4-11 cells) [1]. JB170 (0.5 μM; 12 hours; MV4-11 cells) inhibits or slows the advancement of the S phase [1]. JB170 (0.5 μM; 0-72 hours; MV4-11 cells) exclusively targets AURORA-A to trigger apoptosis[1]. JB170 (0.1 μM; 0-9 hours; IMR5 cells) exhibits a quick AURORA-A depletion. In comparison to AURORA-A, JB170 (0~1 μM; 6 hours; MV4-11 cells) was significantly diminished in the mutants. In MV4-11 cells, JB170 (0.1 μM; 18 hours) does not cause AURORA-A activation. JB170 (0~1 μM; 24 hours; IMR5 cells) significantly eliminates the depletion of AURORA-AT217D. JB170 (1 μM; 4 days; IMR5 cells) mediates the reduction of Aurora-A, which prevents the survival of cancer cells. By lowering AURORA-A mRNA levels, JB170 (IMR5 cells) lowers AURORA-A levels [1].
Cell Assay
Cell Viability Assay[1]
Cell Types: MV4-11 cells
Tested Concentrations: 1 µM
Incubation Duration: 24-72 hrs (hours)
Experimental Results: After 72 hrs (hours), the number of viable cells was 32% of control levels.

Western Blot Analysis[1]
Cell Types: MV4-11 cells
Tested Concentrations: 0.01~10 μM
Incubation Duration: 6 hrs (hours)
Experimental Results: Substantial degradation was observed at 100 nM and 1 µM.

Apoptosis Analysis[1]
Cell Types: MV4-11 cells
Tested Concentrations: 0.5 µM
Incubation Duration: 0~72 hrs (hours)
Experimental Results: Apoptosis was exclusively caused by targeting AURORA-A.

Cell Cycle Analysis[1]
Cell Types: MV4-11 cells
Tested Concentrations: 0.5 µM
Incubation Duration: 12 hrs (hours)
Experimental Results: Delayed or arrested S-phase progression.
References
[1]. Adhikari B, et al. PROTAC-mediated degradation reveals a non-catalytic function of AURORA-A kinase. Nat Chem Biol. 2020;16(11):1179-1188.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C48H44CLFN8O11
Molecular Weight
963.36
CAS #
2705844-82-0
SMILES
C(NCCOCCOCCNC(COC1=CC=CC2=C1C(=O)N(C1CCC(=O)NC1=O)C2=O)=O)(=O)C1=CC=C(NC2=NC=C3C(=N2)C2=CC=C(Cl)C=C2C(C2=C(OC)C=CC=C2F)=NC3)C=C1OC
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : 100 mg/mL (103.80 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (2.60 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.0380 mL 5.1902 mL 10.3803 mL
5 mM 0.2076 mL 1.0380 mL 2.0761 mL
10 mM 0.1038 mL 0.5190 mL 1.0380 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
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