GSK2334470

Catalog No.S7087

GSK2334470 Chemical Structure

Molecular Weight(MW): 462.59

GSK2334470 is a novel PDK1 inhibitor with IC50 of ~10 nM in a cell-free assay, with no activity at other close related AGC-kinases.

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2 Customer Reviews

  • (G) Effect of the PDK1 inhibitor GSK2334470 on MYC and P70 phosphorylation in CNE2/235 cell line by immunoblotting analysis. (H) Sensitivity to GSK2334470 in CNE2/235 cells after treatment with GSK2334470 for 5 d using the MTT assay. (I) Inhibitory effect of GSK2334470 in combination with BEZ235 on cell proliferation in CNE2/235 cells using the MTT assay. (J) IC50 values of BEZ235 with or without GSK2334470 in CNE2 and CNE2/235 cell lines. The data shown are representative of 3 individual experiments.

    Oncotarget, 2016, 6(7):5134-46.. GSK2334470 purchased from Selleck.

    E. TMD8IDELA-R cells were treated with vehicle, idelalisib (1 μM), GSK2334470 (1 μM), and idelalisib plus GSK2334470 for 48 hours. Apoptosis was assessed by 7AAD and PE annexin V staining, and analyzed by flow cytometry, mean ± SD, n = 3. G. TMD8IDELA-R cells were treated with vehicle, idelalisib (1 μM), GSK2334470 (1 μM), and idelalisib plus GSK2334470 for 2 hours. Protein lysates were generated and analyzed by western blot, representative experiment of n = 3. TMD8IDELA-S vehicle control was included as a reference on the same membrane.

    PLoS One, 2017, 12(2):e0171221. GSK2334470 purchased from Selleck.

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Biological Activity

Description GSK2334470 is a novel PDK1 inhibitor with IC50 of ~10 nM in a cell-free assay, with no activity at other close related AGC-kinases.
Targets
PDK-1 [1]
(Cell-free assay)
10 nM
In vitro

GSK2334470 inhibits PDK1 from activating full-length Akt1 in the presence of PtdIns(3,4,5)P3-containing lipid vesicles or a mutant of Akt1 lacking the PH domain (ΔPH-Akt1) with IC50 of ~10 nM. GSK2334470 also similarly inhibits PDK1 from phosphorylating the PDKtide peptide substrate with IC50 of ~10 nM. GSK2334470 (0.1 μM–0.3 μM) induces significant dose-dependent inhibition of endogenous NDRG1 with over 50% reduction in phosphorylation in HEK-293 cells. GSK2334470 (30 nM) induces a significant dose-dependent inhibition of the T-loop phosphorylation of each SGK isoform in HEK-293 cells. GSK2334470 (1 μM) inhibits hydrophobic motif phosphorylation of S6K1 to a similar extent as T-loop phosphorylation in HEK-293 cells. GSK2334470 (3 μM) also suppresses S6K1 activity and phosphorylation induced by IGF1 stimulation of serum-starved HEK-293 cells. GSK2334470 (3 μM) markedly inhibits the phosphorylation of several Akt substrates [FoxO (forkhead box O), GSK3 and PRAS40]. GSK2334470 (3 μM) also induces near maximal inhibition of Akt1 activity and phosphorylation within 5 min, and Akt substrate phosphorylation (FoxO, GSK3 and PRAS40) is inhibited at a slightly later time point (10 min). GSK2334470 (0.3 μM) significantly inhibits phosphorylation of Akt or PRAS40/GSK3 in PDK1K465E/K465E knock-in but not wild-type ES cells. GSK2334470 (1 μM) effectively suppresses SGK1 activity as judged by the inhibition of NDRG1 phosphorylation in U87 glioblastoma cells. GSK2334470 (1 μM) also potently suppresses activation of S6K1 (Figure 7B) as well as SGK1 in MEF (mouse embryonic fibroblast) cells. GSK2334470 (0.1 μM) induces ~50% inhibition of RSK2 activity in HEK-293 cells. [1] GSK2334470 (30 µM) suppresses U46619 induced Ca2+-sensitized force in α-toxin permeabilized rabbit pulmonary artery SM. GSK2334470 (30 µM) results in a significant decrease in the contractile force in response to [Ca2+]. [2] GSK2334470 (1 μM) results in total abrogation of the EGF-induced intracellular calcium increase and inositol phosphates accumulation in MDA-MB-231 cells. GSK2334470 (1 μM) inhibits PLCγ1 Tyr783 phosphorylation in MDA-MB-231 cells. [3]

Protocol

Solubility (25°C)

In vitro DMSO 90 mg/mL (194.55 mM)
Ethanol 90 mg/mL (194.55 mM)
Water Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 462.59
Formula

C25H34N8O

CAS No. 1227911-45-6
Storage powder
Synonyms N/A

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Related Antibodies

PDK Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID