GSK1059615

PI3K and mTOR inhibitor,potent and reversible CAS# 958852-01-2

GSK1059615

2D Structure

Catalog No. BCC4984----Order now to get a substantial discount!

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GSK1059615

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Chemical Properties of GSK1059615

Cas No. 958852-01-2 SDF Download SDF
PubChem ID 23582824 Appearance Powder
Formula C18H11N3O2S M.Wt 333.36
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : 5 mg/mL (15.00 mM; Need ultrasonic)
H2O : < 0.1 mg/mL (insoluble)
Chemical Name (5Z)-5-[(4-pyridin-4-ylquinolin-6-yl)methylidene]-1,3-thiazolidine-2,4-dione
SMILES C1=CC2=NC=CC(=C2C=C1C=C3C(=O)NC(=O)S3)C4=CC=NC=C4
Standard InChIKey QDITZBLZQQZVEE-YBEGLDIGSA-N
Standard InChI InChI=1S/C18H11N3O2S/c22-17-16(24-18(23)21-17)10-11-1-2-15-14(9-11)13(5-8-20-15)12-3-6-19-7-4-12/h1-10H,(H,21,22,23)/b16-10-
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.
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.
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.

Biological Activity of GSK1059615

DescriptionPotent inhibitor of PI 3-kinase α (PI3Kα) (IC50 = 2 nM). Inhibits proliferation in BT474 cells and attenuates MAPK signaling.

GSK1059615 Dilution Calculator

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GSK1059615 Molarity Calculator

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Preparing Stock Solutions of GSK1059615

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.9998 mL 14.9988 mL 29.9976 mL 59.9952 mL 74.994 mL
5 mM 0.6 mL 2.9998 mL 5.9995 mL 11.999 mL 14.9988 mL
10 mM 0.3 mL 1.4999 mL 2.9998 mL 5.9995 mL 7.4994 mL
50 mM 0.06 mL 0.3 mL 0.6 mL 1.1999 mL 1.4999 mL
100 mM 0.03 mL 0.15 mL 0.3 mL 0.6 mL 0.7499 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on GSK1059615

GSK1059615 is inhibitor of pan-PI3K with IC50 values of 0.4nM, 0.6nM, 5nM, 2nM and 12nM for PI3Kα, P13Kβ, P13Kγ, P13Kδ and mTOR, respectively [1].

GSK1059615 is a potent and reversible inhibitor of P13K. It also has inhibition efficacy to the oncogenic mutants of PI3Kα. The thiazolidinedione ring of GSK1059615 forms an interaction with the catalytic lysine (Lys833) within the ATP-binding pocket. In cellular assay, GSK1059615 is reported to induce G1 arrest and apoptosis in a variety of cell lines. Among these, the breast tumor cells display more sensitive. Moreover, GSK1059615 significantly suppresses tumor growth and increases plasma insulin levels in xenograft mice [1, 2].

References:
[1] Carnero A. Novel inhibitors of the PI3K family. 2009.
[2] Knight S D, Adams N D, Burgess J L, et al. Discovery of GSK2126458, a highly potent inhibitor of PI3K and the mammalian target of rapamycin. ACS Medicinal Chemistry Letters, 2010, 1(1): 39-43.

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References on GSK1059615

Inhibition of gastric cancer cell growth by a PI3K-mTOR dual inhibitor GSK1059615.[Pubmed:30765226]

Biochem Biophys Res Commun. 2019 Mar 26;511(1):13-20.

Gastric cancer (GC) is a common malignancy. Developing novel and efficient anti-GC agents is urgent. GSK1059615 is a PI3K (phosphatidylinositol 3-kinase) and mTOR (mammalian target of rapamycin) dual inhibitor. It activity in human GC cells is tested here. In AGS cells and primary human GC cells, GSK1059615 potently inhibited cell growth, survival, proliferation and cell cycle progression. Further, significant apoptosis activation was detected in GSK1059615-treated GC cells. Contrarily in the primary human gastric epithelial cells, GSK1059615 failed to induce significant cytotoxicity and apoptosis. GSK1059615 blocked PI3K-AKT-mTOR cascade activation, inducing microRNA-9 downregulation but LMX1A (LIM homeobox transcription factor 1alpha) upregulation in GC cells. Significantly, GSK1059615 administration (i.p., daily, at 10 or 30mg/kg) in nude mice potently inhibited subcutaneous AGS xenograft growth. AKT-mTOR inhibition and LMX1A upregulation were detected in AGS xenograft tissues with GSK1059615 administration. Together, we conclude that GSK1059615 inhibits GC cell growth in vitro and in vivo.

GSK1059615 kills head and neck squamous cell carcinoma cells possibly via activating mitochondrial programmed necrosis pathway.[Pubmed:28881606]

Oncotarget. 2017 Feb 7;8(31):50814-50823.

This study tested the anti-head and neck squamous cell carcinoma (HNSCC) cell activity by GSK1059615, a novel PI3K and mTOR dual inhibitor. GSK1059615 inhibited survival and proliferation of established (SCC-9, SQ20B and A253 lines) and primary human HNSCC cells. GSK1059615 blocked PI3K-AKT-mTOR activation in HNSCC cells. Intriguingly, GSK1059615 treatment in HNSCC cells failed to provoke apoptosis, but induced programmed necrosis. The latter was tested by mitochondria depolarization, ANT-1-cyclophilin-D mitochondrial association and lactate dehydrogenase (LDH) release. Reversely, mPTP blockers (sanglifehrin A, cyclosporin A and bongkrekic acid) or cyclophilin-D shRNA dramatically alleviated GSK1059615-induced SCC-9 cell death. Further studies demonstrated that GSK1059615 i.p. injection suppressed SCC-9 tumor growth in nude mice, which was compromised with co-administration with cyclosporin A. Thus, targeting PI3K-AKT-mTOR pathway by GSK1059615 possibly provokes programmed necrosis pathway to kill HNSCC cells.

Gerosuppression by pan-mTOR inhibitors.[Pubmed:28077803]

Aging (Albany NY). 2016 Dec 30;8(12):3535-3551.

Rapamycin slows organismal aging and delays age-related diseases, extending lifespan in numerous species. In cells, rapamycin and other rapalogs such as everolimus suppress geroconversion from quiescence to senescence. Rapamycin inhibits some, but not all, activities of mTOR. Recently we and others demonstrated that pan-mTOR inhibitors, known also as dual mTORC1/C2 inhibitors, suppress senescent phenotype. As a continuation of these studies, here we investigated in detail a panel of pan-mTOR inhibitors, to determine their optimal gerosuppressive concentrations. During geroconversion, cells become hypertrophic and flat, accumulate lysosomes (SA-beta-Gal staining) and lipids (Oil Red staining) and lose their re-proliferative potential (RPP). We determined optimal gerosuppressive concentrations: Torin1 (30 nM), Torin 2 (30 nM), AZD8055 (100 nM), PP242 (300 nM), both KU-006379 and GSK1059615 (1000 nM). These agents decreased senescence-associated hypertrophy with IC50s: 20, 18, 15, 200 and 400 nM, respectively. Preservation of RPP by pan-mTOR inhibitors was associated with inhibition of the pS6K/pS6 axis. Inhibition of rapamycin-insensitive functions of mTOR further contributed to anti-hypertrophic and cytostatic effects. Torin 1 and PP242 were more "rapamycin-like" than Torin 2 and AZD8055. Pan-mTOR inhibitors were superior to rapamycin in suppressing hypertrophy, senescent morphology, Oil Red O staining and in increasing so-called "chronological life span (CLS)". We suggest that, at doses lower than anti-cancer concentrations, pan-mTOR inhibitors can be developed as anti-aging drugs.

Phosphatidylinositol-3-kinase as a therapeutic target in melanoma.[Pubmed:19383818]

Clin Cancer Res. 2009 May 1;15(9):3029-36.

PURPOSE: Phosphatidylinositol-3 kinases (PI3K) are critical for malignant cellular processes including growth, proliferation, and survival, and are targets of drugs in clinical development. We assessed expression of PI3K in melanomas and nevi, and studied associations between PI3K pathway members and in vitro response to a PI3K inhibitor, LY294002. EXPERIMENTAL DESIGN: Using Automated Quantitative Analysis, we quantified expression of p85 and p110alpha subunits in 540 nevi and 523 melanomas. We determined the IC(50) for LY294002 for 11 melanoma cell lines and, using reverse phase protein arrays, assessed the association between levels of PI3K pathway members and sensitivity to LY294002. RESULTS: p85 and p110alpha tend to be coexpressed (P < 0.0001); expression was higher in melanomas than nevi (P < 0.0001) for both subunits, and higher in metastatic than primary melanomas for p85 (P < 0.0001). Although phospho-Akt (pAkt) levels decreased in all cell lines treated with LY294002, sensitivity was variable. We found no association by t tests between baseline p85, p110alpha, and pAkt levels and sensitivity to LY294002, whereas pS6 Ser(235) and Ser(240) were lower in the more resistant cell lines (P = 0.01 and P = 0.004, respectively). CONCLUSIONS: Expression of p85 and p110alpha subunits is up-regulated in melanoma, indicating that PI3K is a good drug target. Pretreatment pS6 levels correlated with sensitivity to the PI3K inhibitor, LY294002, whereas PI3K and pAkt did not, suggesting that full activation of the PI3K pathway is needed for sensitivity to PI3K inhibition. pS6 should be evaluated as a predictor of response in melanoma patients treated with PI3K inhibitors, as these drugs enter clinical trials.

Description

GSK1059615 is a dual inhibitor of PI3Kα/β/δ/γ (reversible) and mTOR with IC50 of 0.4 nM/0.6 nM/2 nM/5 nM and 12 nM, respectively.

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