PHT-427 is an AKT inhibitor that inhibits AKT and PDPK1 at low micromolar concentrations in numerous cancer cell lines and exhibits good oral anti-tumor activity in mouse xenograft models. PHT-427 reduces the phosphorylation of AKT and PDPK1. Following the administration of a single oral dose of PHT-427 to mice bearing BxPC-3 human pancreatic tumor xenografts, PHT-427 inhibited the phosphorylation of both Akt and PDPK1 as well as downstream targets maximally at 8–12 h after administration corresponding to its peak plasma concentration, with PDPK1 inhibition extending to 24 hr.
CAS Number: 1191951-57-1
Molecular Weight: 409.61
Chemical Name: 4-dodecyl-N-(1, 3, 4-thiadiazol-2-yl)benzenesulfonamide
Appearance: Solid Power
Purity: ≥98% (or refer to the Certificate of Analysis)
Solubility: DMSO: 82 mg/mL(200.19 mM). Water: Insoluble.
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis
Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.
Shelf Life: ≥12 months if stored properly.
Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.
Drug Formulation: To be determined
HS Tariff Code: 382200
How to use
PH-427 is a pleckstrin homology domain inhibitor to Akt/PDPK1. PH-427 significantly reduces phospho-Ser241-PDPK1 phospho-Thr308-Akt in PC-3 prostate cancer cells at 10 μM, which shows that PHT-427 could inhibit both Akt and PDPK1. PHT-427 also inhibits translocation of the Akt and PDPK1 PH domains in plasma membrane. PHT-427 induces apoptosis and inhibits AKT phosphorylation with IC50 of 8.6 μM (in BxPC-3 cells), which mainly on its Ser473 residue and less strongly on Thr308 residue without affecting total Akt protein expression. PHT-427 also shows antiproliferation in Panc-1 cells with IC50 of 65 μM.
PHT-427 shows great antitumor activity in BxPC-3 pancreatic, MCF-7 breast and A-549 NSCL cancer xenografts. PHT-427 gives up to an 80% inhibition of tumor growth in BxPC-3 at doses of 125 to 250 mg/kg.
- Moses SA, et al. Cancer Res, 2009, 69(12), 5073-5081.
- Meuillet EJ, et al. Mol Cancer Ther, 2010, 9(3), 706-717.
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