Alvespimycin (17-DMAG) HCl

別名:NSC 707545,BMS 826476 HCl,KOS 1022

Alvespimycin (17-DMAG, NSC 707545, BMS 826476, KOS 1022) HCl is a potent HSP90 inhibitor with IC50 of 62 nM in a cell-free assay. Phase 2.

Alvespimycin (17-DMAG) HCl化学構造

CAS No. 467214-21-7

サイズ 価格(税別) 在庫状況
10mM (1mL in DMSO) JPY 29500 国内在庫あり
JPY 22000 国内在庫あり
JPY 55500 国内在庫あり
JPY 200500 国内在庫あり

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Alvespimycin (17-DMAG) HCl関連製品

シグナル伝達経路

HSP (HSP90)阻害剤の選択性比較

Cell Data

Cell Lines Assay Type Concentration Incubation Time 活性情報 PMID
CCRF-CEM Cytotoxicity assay 72 hrs Cytotoxicity against human paclitaxel-resistant CCRF-CEM cells after 72 hrs by celltiter-96 aqueous one solution assay, IC50=2.5μM. 19405528
PC3 Function assay 10 uM 6 hrs Inhibition of HSP90 in human PC3 cells assessed as induction of HSP70 protein expression at 10 uM after 6 hrs by Western blot method 28816449
PC3 Function assay 10 uM 6 hrs Inhibition of HSP90 in human PC3 cells assessed as induction of Akt degradation at 10 uM after 6 hrs by Western blot method 28816449
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生物活性

製品説明 Alvespimycin (17-DMAG, NSC 707545, BMS 826476, KOS 1022) HCl is a potent HSP90 inhibitor with IC50 of 62 nM in a cell-free assay. Phase 2.
特性 A synthetic derivative Geldanamycin, with lower hepatotoxicity than parent antibiotic & higher potency and bioavailability than the similar derivative 17-AAG.
Targets
HSP90 [1]
(Cell-free assay)
62 nM
In Vitro
In vitro

17-DMAG displays ~2 times potency against human Hsp90 than 17-AAG, with IC50 of 62 nM versus 119 nM. In SKBR3 and SKOV3 cells which over-express Hsp90 client protein Her2, 17-DMAG causes down-regulation of Her2 with EC50 of 8 nM and 46 nM, respectively, as well as induction of Hsp70 with EC50 of 4 nM and 14 nM, respectively, leading to significant cytotoxicity with GI50 of 29 nM and 32 nM, respectively, consistent with Hsp90 inhibition. [1] 17-DMAG in combination with vorinostat synergistically induces apoptosis of the cultured MCL cells as well as primary MCL cells, more potently than either agent alone, by markedly attenuating the levels of cyclin D1 and CDK4, as well as of c-Myc, c-RAF and Akt. [3] In contrast to 17-AAG which is only active for IKKβ in chronic lymphocytic leukemia (CLL) cells, 17-DMAG treatment effectively leads to depletion of the Hsp90 client protein, resulting in diminished NF-κB p50/p65 DNA binding, decreased NF-κB target gene transcription, and caspase-dependent apoptosis. By targeting the NF-κB family, 17-DMAG selectively mediates dose- and time-dependent cytotoxicity against CLL cells, but not normal T cells or NK cells important for immune surveillance. [5]

Kinase Assay Fluorescence polarization (FP)-based competition binding assay
This assay utilizes a boron difluoride dipyrromethene (BODIPY) labeled geldanamycin analogue (BODIPY-AG) as a probe and measured fluorescence polarization upon binding of the probe to a protein. Native human Hsp90 protein (α + β isoforms) is isolated from HeLa cells. BODIPY-AG solution is freshly prepared in FP assay buffer (20 mM HEPES-KOH, pH 7.3, 1.0 mM EDTA, 100 mM KCl, 5.0 mM MgCl2, 0.01% NP-40, 0.1 mg/mL fresh bovine γ-globulin (BGG), 1.0 mM fresh DTT, and protease inhibitor from stock solution in DMSO. Competition curves are obtained by mixing 10 μL each of a solution containing BODIPY-AG and Hsp90, and a serial dilution of 17-DMAG freshly prepared in FP assay buffer from stock solution in DMSO. Final concentrations are 10 nM BODIPY-AG, 40 or 60 nM Hsp90, varying concentration of 17-DMAG (0.10 nM-10 μM), and ≤0.25% DMSO in a 384-well microplate. After 3 hours incubation at 30 °C, fluorescence anisotropy (γEx = 485 nm, γEm = 535 nm) is measured on an EnVision 2100 multilabel plate reader. IC50 value of 17-DMAG is obtained from the competition curves.
細胞実験 細胞株 Chronic lymphocytic leukemia (CLL)
濃度 Dissolved in DMSO, final concentrations ~1 μM
反応時間 24, or 48 hours
実験の流れ

Cells are exposed to various concentrations of 17-DMAG for 24, or 48 hours. For the assessment of cytotoxicity, MTT reagent is then added, and plates are incubated for an additional 24 hours before spectrophotometric measurement. Apoptosis is determined by staining with annexin isothiocyanate and propidium iodide (PI).

実験結果図 Methods Biomarkers 結果図 PMID
Western blot HSP90 / HSP70 p-Akt / Survivin / MMP2 PARP / Cleaved caspase-3 / Cleaved caspase-8 / Cleaved caspase-9 / PUMA p-ALK / ALK / p-Akt / Akt / p-ERK / ERK α-Tax / α-IKKα / α-IKKβ/ α-NEMO / α-TBK1 / α-p65 / α-p50 28915605
Growth inhibition assay Cell proliferation 28915605
In Vivo
In Vivo

17-DMAG treatment at 5 mg/kg or 25 mg/kg thrice per week significantly reduces tumor growth of TMK-1 xenografts, by significantly reducing vessel area and numbers of proliferating tumor cells in sections. [2] Consistent the inhibition of FAK signaling in vivo, 17-DMAG treatment at 25 mg/kg three times a week significantly suppresses tumor growth, and metastasis of ME180 and SiHa xenografts in mice. [4] Administration of 17-DMAG at 10 mg/kg for 16 days significantly decreases the white blood cell count and prolongs the survival in a TCL1-SCID transplant mouse model. [5]

動物実験 動物モデル SCID mice engrafted with TCL1 leukemia cells
投与量 10 mg/kg
投与経路 Intraperitoneal injection 5 times per week
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT00780000 Terminated
Breast Cancer
Bristol-Myers Squibb
April 2008 Phase 2
NCT00248521 Unknown status
Unspecified Adult Solid Tumor Protocol Specific
Institute of Cancer Research United Kingdom|National Cancer Institute (NCI)
October 2005 Phase 1

化学情報

分子量 653.21 化学式

C32H48N4O8•HCl

CAS No. 467214-21-7 SDF Download Alvespimycin (17-DMAG) HCl SDFをダウンロードする
Smiles CC1CC(C(C(C=C(C(C(C=CC=C(C(=O)NC2=CC(=O)C(=C(C1)C2=O)NCCN(C)C)C)OC)OC(=O)N)C)C)O)OC.Cl
保管

In vitro
Batch:

DMSO : 100 mg/mL ( (153.09 mM); 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Water : Insoluble

Ethanol : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機
Clear solution
5%DMSO 40% 5% 50%ddH2O
5.0mg/ml (7.65mM) Taking the 1 mL working solution as an example, add 50 μL of 100 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results. 
Clear solution
5% DMSO 95% Corn oil
0.3mg/ml (0.46mM) Taking the 1 mL working solution as an example, add 50 μL of 6 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results. 

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ1:実験データを入力してください。(実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します)

mg/kg g μL

ステップ2:投与溶媒の組成を入力してください。(ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果:

投与溶媒濃度: mg/ml;

DMSOストック溶液調製方法: mg 試薬を μL DMSOに溶解する(濃度 mg/mL, 注:濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法:Take μL DMSOストック溶液に μL PEG300,を加え、完全溶解後μL Tween 80,を加えて完全溶解させた後 μL ddH2O,を加え完全に溶解させます。

投与溶媒調製方法:μL DMSOストック溶液に μL Corn oil,を加え、完全溶解。

注意:1.ストック溶液に沈殿、混濁などがないことをご確認ください;
2.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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