PKI-402PI3K inhibitor,selective, reversible and ATP-competitive CAS# 1173204-81-3 |
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Quality Control & MSDS
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| Cas No. | 1173204-81-3 | SDF | Download SDF |
| PubChem ID | 44187953 | Appearance | Powder |
| Formula | C29H34N10O3 | M.Wt | 570.65 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | DMSO : 5 mg/mL (8.76 mM; Need ultrasonic) | ||
| Chemical Name | 1-[4-(3-ethyl-7-morpholin-4-yltriazolo[4,5-d]pyrimidin-5-yl)phenyl]-3-[4-(4-methylpiperazine-1-carbonyl)phenyl]urea | ||
| SMILES | CCN1C2=C(C(=NC(=N2)C3=CC=C(C=C3)NC(=O)NC4=CC=C(C=C4)C(=O)N5CCN(CC5)C)N6CCOCC6)N=N1 | ||
| Standard InChIKey | ZAXFYGBKZSQBIV-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C29H34N10O3/c1-3-39-27-24(34-35-39)26(37-16-18-42-19-17-37)32-25(33-27)20-4-8-22(9-5-20)30-29(41)31-23-10-6-21(7-11-23)28(40)38-14-12-36(2)13-15-38/h4-11H,3,12-19H2,1-2H3,(H2,30,31,41) | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | PKI-402 is a potent dual inhibitor of PI3K/mTOR with IC50 values of 2 nM/7 nM/16 nM/14 nM and 3 nM for PI3Kα/β/γ/δ and mTOR, respectively. | ||||||
| Targets | PI3Kα | mTOR | PI3Kβ | PI3Kδ | PI3Kγ | ||
| IC50 | 2 nM | 3 nM | 7 nM | 14 nM | 16 nM | ||
PKI-402 Dilution Calculator
PKI-402 Molarity Calculator
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PKI-402 is a selective, equipotent and ATP-competitive class I PI3K inhibitor (IC50= 1 nM, 7 nM, 16 nM and 14 nM for PI3Kα, PI3Kβ, PI3Kγ and PI3Kδ, respectively.)
PI3K (phosphatidylinositol-4,5-bisphosphate 3-kinase) is a family of enzymes involved in cellular functions such as cell growth, proliferation, differentiation, motility, survival and intracellular trafficking, which in turn are involved in cancer. It plays a key role in PI3K/Akt/mTOR pathway.
In multiple human cancer cell lines (e.g. breast, brain, pancreas and NSCL), PKI-402 inhibited growth of cancer cells, and attenuated phosphorylation of effector of PI3K and mTOR. In MDA-MB-361, 30 nM PKI-402 caused cleaved of the apoptosis marker—PARP.
In MDA-MB-361 mouse tumor xenograft models, administration of 100 mg/kg of PKI-402 daily for 5 days decreased the initial tumor volume from 260 mm3 to 129 mm3 and inhibited tumor regrowth for 70 days, single dose of PKI-402 blocked phosphorylation of Akt and led to cleaved PARP.
Reference:
1. Mallon R, Hollander I, Feldberg L et al. Antitumor efficacy profile of PKI-402, a dual phosphatidylinositol 3-kinase/mammalian target of rapamycin inhibitor. Mol Cancer Ther. 2010 Apr;9(4):976-84.
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Antitumor efficacy profile of PKI-402, a dual phosphatidylinositol 3-kinase/mammalian target of rapamycin inhibitor.[Pubmed:20371716]
Mol Cancer Ther. 2010 Apr;9(4):976-84.
PKI-402 is a selective, reversible, ATP-competitive, equipotent inhibitor of class I phosphatidylinositol 3-kinases (PI3K), including PI3K-alpha mutants, and mammalian target of rapamycin (mTOR; IC(50) versus PI3K-alpha = 2 nmol/L). PKI-402 inhibited growth of human tumor cell lines derived from breast, brain (glioma), pancreas, and non-small cell lung cancer tissue and suppressed phosphorylation of PI3K and mTOR effector proteins (e.g., Akt at T308) at concentrations that matched those that inhibited cell growth. In MDA-MB-361 [breast: Her2(+) and PIK3CA mutant (E545K)], 30 nmol/L PKI-402 induced cleaved poly(ADP-ribose) polymerase (PARP), a marker for apoptosis. In vivo, PKI-402 inhibited tumor growth in MDA-MB-361, glioma (U87MG), and lung (A549) xenograft models. In MDA-MB-361, PKI-402 at 100 mg/kg (daily for 5 days, one round) reduced initial tumor volume of 260 mm(3) to 129 mm(3) and prevented tumor regrowth for 70 days. In MDA-MB-361 tumors, PKI-402 (100 mg/kg, single dose) suppressed Akt phosphorylation (at T308) and induced cleaved PARP. Suppression of phosphorylated Akt (p-Akt) was complete at 8 hours and still evident at 24 hours. Cleaved PARP was evident at 8 and 24 hours. In normal tissue (heart and lung), PKI-402 (100 mg/kg) had minimal effect on p-Akt, with no detectable cleaved PARP. Preferential accumulation of PKI-402 in tumor tissue was observed. Complete, sustained suppression of Akt phosphorylation may cause tumor regression in MDA-MB-361 and other xenograft models. We are testing whether dual PI3K/mTOR inhibitors can durably suppress p-Akt, induce cleaved PARP, and cause tumor regression in a diverse set of human tumor xenograft models. Mol Cancer Ther; 9(4); 976-84. (c)2010 AACR.
Lead optimization of N-3-substituted 7-morpholinotriazolopyrimidines as dual phosphoinositide 3-kinase/mammalian target of rapamycin inhibitors: discovery of PKI-402.[Pubmed:19968288]
J Med Chem. 2010 Jan 28;53(2):798-810.
Herein we describe the identification and lead optimization of triazolopyrimidines as a novel class of potent dual PI3K/mTOR inhibitors, resulting in the discovery of 3 (PKI-402). Compound 3 exhibits good physical properties and PK parameters, low nanomolar potency against PI3Kalpha and mTOR, and excellent inhibition of cell proliferation in several human cancer cell lines. Furthermore, in vitro and in vivo biomarker studies demonstrated the ability of 3 to shut down the PI3K/Akt pathway and induce apoptosis in cancer cells. In addition, 3 showed excellent in vivo efficacy in various human cancer xenografts, validating suppression of PI3K/mTOR signaling as a potential anticancer therapy.
