Dactolisib (BEZ235)
Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3TopBP1-ER cell. Dactolisib induces autophagy and suppresses HIV-1 replication.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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PLoS One,2011;6(9):e25132.
The dual PI3K/mTOR inhibitor NVP-BEZ235 induces tumor regression in a genetically engineered mouse model of PIK3CA wild-type colorectal cancer.[Pubmed:
21966435]
Cell lines:HCT116, DLD-1 and SW480 cells
Concentrations: 0-1 μM
Incubation Time: 48 hours
Method:
The human CRC cell lines, HCT116 (PIK3CA mutant; kinase domain at H1047R), DLD-1 (PIK3CA mutant; helical domain at E545K), and SW480 (PIK3CA wild-type) and isogenic DLD-1 PIK3CA mutant as well as wild-type cells are maintained in DMEM with 10% FBS and 1 × Penicillin/Streptomycin. Cells are plated at different initial densities (HCT116: 3 × 103 cells/well, DLD-1: 5.5 × 103 cells/well, SW480: 4.5 × 103 cells/well, DLD-1 PIK3CA mutant: 7 × 103 cells/well, and DLD-1 PIK3CA wild-type: 9 × 103 cells/well) to account for differential growth kinetics. After 16 hours, cells are incubated with increasing concentrations of BEZ235, and the drug-containing growth medium is changed every 24 hours. Cell viability is assessed 16 hours after the initial plating and 48 hours after initiation of drug treatment using the colorimetric MTS assay CellTiter 96® AQueous One Solution Cell Proliferation Assay, as per the manufacturer's instructions. Cell viability after drug treatment is normalized to that of untreated cells also grown for 48 hours. For western blot analysis, cells are plated with zero or maximum inhibitory dose (500 nM) BEZ235 for 2, 6, 24, or 48 hours.
Mol Cancer Ther,2008 Jul;7(7):1851-63.
Identification and characterization of NVP-BEZ235, a new orally available dual phosphatidylinositol 3-kinase/mammalian target of rapamycin inhibitor with potent in vivo antitumor activity.[Pubmed:
18606717]
Animal Models: Female Harlan athymic nude mice
Dosages:45 mg/kg
Administration: p.o.
