All AbMole products are for research use only, cannot be used for human consumption.
Telaglenastat (CB-839) is a potent, selective, and orally bioavailable glutaminase inhibitor with IC50 of 24 nM for recombinant human GAC.
In vitro: CB-839 exhibits time-dependent and slowly reversible kinetics. IC50 values for glutaminase inhibition by CB-839 following preincubation with rHu-GAC for-1 hour are < 50 nmol/L, at least 13-fold lower than with BPTES. CB-839 has antiproliferative activity in a triple-negative breast cancer (TNBC) cell line, HCC-1806, while no antiproliferative activity is observed in an estrogen receptor–positive cell line, T47D.
In vivo: In the mouse TNBC model, single agent CB-839 (200 mg/kg, p.o.) suppresses tumor growth by 61% relative to vehicle control. In the mouse JIMT-1 xenograft model, CB-839 alone (200 mg/kg, p.o.) results in 54% tumor growth inhibition (TGI) relative to vehicle control, combination of CB-839 (200 mg/kg, p.o.) with paclitaxel (10 mg/kg, p.o.) largely suppresses the regrowth of the tumors resulting in a TGI relative to vehicle control of 100%.
Mol Carcinog. 2024 Feb 14.
Glutaminase potentiates the glycolysis in esophageal squamous cell carcinoma by interacting with PDK1
CB-839 purchased from AbMole
| Cell Experiment | |
|---|---|
| Cell lines | HCC1806, MDA-MB-231, and T47D cells |
| Preparation method | For viability assays, all cell lines are treated with CB-839 at the indicated concentrations for 72 hours and analyzed for antiproliferative effects using Cell Titer Glo. |
| Concentrations | 1 mM |
| Incubation time | 72 h |
| Animal Experiment | |
|---|---|
| Animal models | Female Scid/Bg mice bearing TNBC or JIMT-1 xenograft |
| Formulation | 25% (w/v) hydroxypropyl-b-cyclodextrin (HPBCD) in 10 mmol/L citrate, pH 2 |
| Dosages | 200 mg/kg |
| Administration | p.o. |
| Molecular Weight | 571.57 |
| Formula | C26H24F3N7O3S |
| CAS Number | 1439399-58-2 |
| Solubility (25°C) | DMSO 60 mg/mL (warmed) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
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