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1 mg
5 mg
10 mg
1 mM
1.7496 mL
8.7478 mL
17.4957 mL
5 mM
0.3499 mL
1.7496 mL
3.4991 mL
10 mM
0.1750 mL
0.8748 mL
1.7496 mL
50 mM
0.0350 mL
0.1750 mL
0.3499 mL
Description
Telaglenastat (CB-839) is a potent, selective, and orally bioavailable inhibitor with of 24 nM for recombinant human GAC. CB-839(Telaglenastat) inudces and has antitumor activity. Phase 1.
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%.