GDC-0941

GDC-0941は、PI3Kα、PI3Kβ、PI3KδとPI3Kγの強力な阻害剤で、IC50 がそれぞれ 3 nM、 33 nM、 3 nM、75 nMです。

目録号S1065
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GDC-0941 化学構造
分子量: 513.64

品質と確認

製品表彰状(40)

カスタマーレビュー(7)

Quality Control & MSDS

製品情報

  • Combination Therapy
    併用療法
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    PI3K阻害剤を比較
  • 研究分野
  • GDC-0941のメカニズム

製品の説明

生物活性

情報 GDC-0941は、PI3Kα、PI3Kβ、PI3KδとPI3Kγの強力な阻害剤で、IC50 がそれぞれ 3 nM、 33 nM、 3 nM、75 nMです。
目標 PI3Kα PI3Kβ PI3Kδ PI3Kγ
IC50 3 nM 33 nM 3 nM 75 nM [1]
In vitro試験 GDC-0941 is equipotent against PI3Kα and PI3Kδ as well as PI3Kα mutants E545-K and H1047-R, displaying modest levels of selectivity against PI3Kβ (10-fold) and PI3Kγ (25-fold), and greater levels of selectivity against members of PI3K class II, III, and IV, including C2β, Vps34, DNA-PK, and mTOR. GDC-0941 potently inhibits the phosphorylation of Akt in U87MG, PC3, and MDA-MB-361 cells with IC50 of 46 nM, 37 nM, and 28 nM, respectively. GDC-0941 inhibits the proliferation of U87MG, A2780, PC3, and MDA-MB-361 cells with IC50 of 0.95 μM, 0.14 μM, 0.28 μM, and 0.72 μM, respectively. [1] GDC-0941 treatment potently inhibits the proliferation of both trastuzumab-sensitive and -insensitive HER2-amplified cells with IC50 of 149-944 nM. GDC-0941 inhibits proliferation of HER2-amplified cells that harbor PIK3CA mutations with IC50 of <500 nM, and effectively inhibits both proliferation and viability of HER2-amplified breast cancer cells that are resistant to trastuzumab due to PTEN loss. [2] GDC-0941 significantly inhibits the growth of HCT116, DLD1 and HT29 cells with GI50 of 1081 nM, 1070 nM and 157 nM, respectively. [3] GDC-0941 inhibits tumor cell proliferation, induces apoptosis and suppresses centroblast population. [4]
In vivo試験 Administration of GDC-0941 at 75 mg/kg/day displays significant inhibitory effect against established human U87MG glioblastoma xenografts in female NCr athymic mice, with tumor growth inhibition of 83%. [1] Oral administration of GDC-0941 at 150 mg/kg/day inhibits the growth of HER2-amplified, trastuzumab-resistant MDA-MB-361.1 xenografts in mice, and significantly delays the tumor progression, in association with potent induced apoptosis in tumors. [2] GDC-0941 (75 mg/kg/day) treatment for 2 weeks induces ~40% reduction in tumor volume of spontaneous B-cell follicular lymphomas developed in PTEN+/-LKB1+/hypo mice, accompanied by ablation of phosphorylation of Akt, S6K and SGK (serum and glucocorticoid protein kinase) protein kinases. [4]
臨床試験 A Phase I study of GDC-0941 in patients with locally advanced or metastatic solid tumors, Non-Hodgkin's lymphoma, or multiple myeloma (MM) (expansion stage only) for which standard therapy either does not exist or has proven ineffective or intolerable is
特集

推薦された実験操作 (公開の文献だけ)

キナーゼアッセイ: [1]

Scintillation proximity assay Recombinant human PI3Kα, PI3Kβ, and PI3Kδ are coexpressed in a Sf9 baculovirus system with the p85α regulatory subunit and purified as GST-fusion proteins using affinity chromatography on glutathione-sepharose. Recombinant human PI3Kγ is expressed as monomeric GST-fusions and purified similarly. GDC-0941 is dissolved in DMSO and added to 20 mM Tris-HCl (pH 7.5) containing 200 μg yttrium silicate (Ysi) polylysine SPA beads, 4 mM MgCl2, 1 mM dithiothreitol (DTT), 1 μM ATP, 0.125 μCi [γ-33P]-ATP, and 4% (v/v) DMSO in a total volume of 50 μL. The recombinant GST-fusion of PI3Kα (5 ng), PI3Kβ (5 ng), PI3Kδ (5 ng), or PI3Kγ (5 ng) is added to the assay mixture to initiate the kinase reaction. After incubation for 1 hour at room temperature, the kinase reaction is terminated with 150 μL PBS. The mixture is then centrifuged for 2 minutes at 2000 rpm and read using a Wallac Microbeta counter. The reported IC50 values are calculated using a sigmoidal, dose-response curve fit in MDL Assay Explorer.

細胞アッセイ: [2]

細胞系 SKBR-3, BT474-M1, AU-565, HCC-1419, ZR75-30, KPL-4, JIMT-1, BT474-EEI, HCC-1954, MCF-7, CALU-3, SKOV-3, and MKN-7 cells
濃度 Dissolved in DMSO, final concentrations ~10 μM
処理時間 48 and 72 hours
方法 Cells are exposed to various concentrations of GDC-0941 for 48, and 72 hours. Proliferation/viability of cells is detected by using the CellTiter-Glo Luminescent Cell Viability Assay. The pAkt (Ser473), cleaved caspase-3, and cleaved PARP are analyzed by western blot. The Caspase-Glo 3/7 assay and the Cell Death Detection ELISAplus assay are used to detect caspase 3/7 activity, and apoptosis, respectively.

動物実験: [2]

動物モデル NCR nude mice implanted with MDA-MB-361.1 cells, and SCID, C.B-17/IcrHsd-Prkdcscid mice implanted subcutaneously with BT474-M1 cells
製剤 Dissolved in 10% DMSO, 5% Tween 20, 85% water
投薬量 ~150 mg/kg/day
管理 Oral gavage
Solubility 1% DMSO/30% polyethylene glycol/1% Tween 80, 30 mg/mL
* 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.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

参考

化学情報

Download GDC-0941 SDF
分子量 513.64
化学式

C23H27N7O3S2

CAS No. 957054-30-7
保管 2年-20℃
6月-80℃in DMSO
別名
溶解度 (25°C) * In vitro DMSO 44 mg/mL (85 mM)
<1 mg/mL (<1 mM)
エタノール <1 mg/mL (<1 mM)
In vivo 1% DMSO/30% polyethylene glycol/1% Tween 80, 30 mg/mL
* <1 mg/ml means slightly soluble or 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.
化学名 2-(1H-indazol-4-yl)-6-((4-(methylsulfonyl)piperazin-1-yl)methyl)-4-morpholinothieno[3,2-d]pyrimidine

研究分野

カスタマーレビュー (7)


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Source Cancer Res, 2011, 71, 2750-2760. GDC-0941 purchased from Selleck
Method Western blot, Immunofluorescence staining, flow cytometry
Cell Lines 1205Lu cells
Concentrations 3 µmol/L
Incubation Time 48 h
Results Combined PI3K and BRAF inhibition increased the level of BIM expression in both Western blot and immunofluorescence studies (Fig. A). Consistent with a role for increased AKT signaling suppressing BIM expression in PTEN- cells, dual BRAF and PI3K inhibition increased nuclear FOXO3a localization in the PTEN- cell lines (Fig. B) and enhanced the level of BIM mRNA (Fig. B). the combination of PLX4720 with the PI3K inhibitor GDC-0941 significantly enhanced the levels of apoptosis observed in PTEN melanoma cell lines compared to either the BRAF or PI3K inhibitor alone (Fig. C). Similar results were also observed in a 3D spheroid assay, where combined PLX4720 (3 µmol/L) and LY294002 (10 µmol/L) treatment prevented the recovery of cell growth observed when melanoma spheroids were treated with either drug alone (Fig. D).

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Source J Inves Der, 2010, 131, 495-503. GDC-0941 purchased from Selleck
Method Western blot
Cell Lines Mel-Juso cells, 518A2 cells
Concentrations 0.05–1 µmol/L
Incubation Time 24 h
Results In addition, GDC-0941 treatment blocked the phosphorylation of AKT protein (S473 and T308) at even lower concentrations than PI-103, and S6 protein phosphorylation was blocked at similar concentrations.

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Rating
Source Dr. Zhang of Tianjin Medical University. GDC-0941 purchased from Selleck
Method Western blot
Cell Lines Breast cancer cells
Concentrations 0-10 nM
Incubation Time 3 h
Results

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Source Saraswati Sukumar of Johns Hopkins University School of Medicine. GDC-0941 purchased from Selleck
Method Western blot
Cell Lines T47D cells
Concentrations
Incubation Time 1 h
Results

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Rating
Source J Cell Sci, 2012, 125(Pt 5), 1259-73.. GDC-0941 purchased from Selleck
Method Western Blot
Cell Lines NMuMG cells
Concentrations 1 μM
Incubation Time 1 h
Results GDC-0941, a specific inhibitor of the class IA PI3K, similarly blocked the TGF-b-induced Akt(S473) phosphorylation, confirming the role of PI3K in the induction of mTORC2 kinase activity by TGF-β (Fig. C).

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Rating
Source Biochim Biophys Acta, 2012, 1823(12), 2210-6. GDC-0941 purchased from Selleck
Method confocal laser-scanning microscopy
Cell Lines HEK293 cells
Concentrations 1 μM
Incubation Time 30 min
Results Both LY294002 and GDC-0941 markedly attenuated the high-glucose-dependent plasma membrane translocation of DGKδ1, indicating that the event is positively regulated by phosphatidylinositol 3-kinase.

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Rating
Source GDC-0941 purchased from Selleck
Method Western blot analysis
Cell Lines MCF-7 cells
Concentrations 0 nM/50 nM/100 nM/400 nM
Incubation Time 24 h
Results GDC-0941 caused a surprising increase in phosphorylation of ERK proteins as well as AKT2 S474. GDC-0941 showed differences in its ability to suppr ess PI3K-dependent signaling across the genotypes. AKT1 mutant cells demonstrated greater residual AKT1 S473 phosphorylation and greater phosphorylation of downstream proteins FOXO 1/3, PRAS40, GSK3β , and p70S6K at equivalent doses of GDC-0941, compared to PIK3CA mutant cells.

製品表彰状 (40)

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