ホームページ DNA Damage/DNA Repair PARP inhibitor A-966492 For research use only.

A-966492

A-966492 is a novel and potent inhibitor of PARP1 and PARP2 with Ki of 1 nM and 1.5 nM, respectively.

A-966492化学構造

CAS No. 934162-61-5

サイズ 価格(税別) 在庫状況
10mM (1mL in DMSO) JPY 33300 国内在庫あり
JPY 30200 国内在庫あり
JPY 55100 国内在庫あり

代表番号: 045-509-1970|電子メール：[email protected]
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文献中Selleckの製品使用例（9）

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製品安全説明書

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A-966492関連製品

シグナル伝達経路

PARP Signaling Pathways

PARPシグナル伝達経路

PARP阻害剤の選択性比較

Cell Data

Cell Lines Assay Type Concentration Incubation Time 活性情報 PMID
C41 cells Function assay Inhibition of PARP1 in human C41 cells by FITC-conjugated DAPI staining, EC50=0.001 μM 20337371
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生物活性

製品説明 A-966492 is a novel and potent inhibitor of PARP1 and PARP2 with Ki of 1 nM and 1.5 nM, respectively.
特性 A promising, structurally diverse benzimidazole analogue that is being further characterized preclinically.
Targets
PARP1 [1]
(Cell-free assay)		 PARP1 [1]
(a whole cell assay)		 PARP2 [1]
(Cell-free assay)
1 nM(Ki) 1 nM(EC50) 1.5 nM(Ki)
In Vitro
In vitro

A-966492 is one of the most potent PARP inhibitors. A-966492 displays excellent potency against the PARP-1 enzyme with a Kiof 1 nM and an EC50 of 1 nM in a whole cell assay. A-966492 significantly enhances the efficacy of TMZ in a dose-dependent manner. In addition, A-966492 is orally bioavailable across multiple species, crosses the blood−brain barrier, and appears to distribute into tumor tissue. A-966492 represents a promising, structurally diverse benzimidazole analogue and is being further characterized preclinically. [1]
Kinase Assay PARP Enzyme Assay
The enzyme assay is conducted in buffer containing 50 mM Tris, pH 8.0, 1 mM dithiothreitol(DTT), and 4 mM MgCl2. PARP reactions contains 1.5 μM [3H]-NAD+ (1.6 μCi/mmol), 200 nM biotinylated histone H1, 200 nM slDNA, and 1 nM PARP-1 or 4 nM PARP-2 enzyme. Autoreactions utilizing SPA bead-based detection are carried out in 100 μL volumes in white 96-well plates. Reactions are initiated by adding 50 μL of 2X NAD+ substrate mixture to 50 μL of 2× enzyme mixture containing PARP and DNA. These reactions are terminated by the addition of 150 μL of 1.5 mM benzamide (∼1 × 103-fold over its IC50). A 170 μL amount of the stopped reaction mixtures is transferred to streptavidin-coated Flash Plates, incubated for 1 hour, and counted using a TopCount microplate scintillation counter. Ki data are determined from inhibition curves at various substrate concentrations.
細胞実験 細胞株 C41 cell
濃度 ~10 nM
反応時間 30 minutes
実験の流れ

C41 cells are treated with A-966492 for 30 minutes in a 96-well plate. PARP are activated by damaging DNA with 1 mM H2O2 for 10 minutes. Cells are washed with ice-cold phosphate-buffered saline (PBS) once and fixed with prechilled methanol/acetone (7:3) at -20 °C for 10 minutes. After they are air-dried, plates are rehydrated with PBS and blocked using 5% nonfat dry milk in PBS-Tween(0.05%) (blocking solution) for 30 minutes at room temperature. Cells are incubated with anti-PAR antibody 10H (1:50) in blocking solution at room temperature for 60 minutes followed by washing with PBS-Tween20 five times, and incubation with goat antimouse 5(6)-isothiocyanate (FITC)-coupled antibody (1:50) and 1 μg/mL 40,6-diamidino-2-phenylindole (DAPI) in blocking solution at room temperature for 60 minutes. After washing with PBS-Tween20 5 times, analysis is performed using an fmax Fluorescence Microplate Reader set at the excitation and emission wavelength for FITC or the excitation and emission wavelength for DAPI. PARP activity (FITC signal) is normalized with cell numbers (DAPI).
In Vivo
In Vivo

A-966492 also demonstrates good in vivo efficacy in a B16F10 subcutaneous murine melanoma model in combination and in an MX-1 breast cancer xenograft model both as a single agent and in combination. In addition, A-966492 has excellent pharmaceutical properties and has demonstrated in vivo efficacy in preclinical mouse tumor models in combination with TMZ, as well as single agent activity in a BRCA1-deficient MX-1 tumor model. A-966492 is further characterized in Sprague−Dawley rats, beagle dogs, and cynomolgus monkeys, with A-966492 demonstrating oral bioavailabilities of 34−72% and half-lives of 1.7−1.9 hours. In vivo, A-966492 demonstrates significant enhancement of the efficacy of TMZ in a murine B16F10 syngeneic melanoma model, with the A-966492 combination groups showing superior efficacy. [1]
動物実験 動物モデル A 0.2 cc amount of a 1:10 dilution of tumor brei in 45% Matrigel and 45% Spinner MEM is injected subcutaneously into the flank of female SCID mice.
投与量 12.5, 25, and 50 mg/kg/day, for 14 days
投与経路 Orally administrated

化学情報

分子量 324.35 化学式

C18H17FN4O
CAS No. 934162-61-5 SDF Download A-966492 SDFをダウンロードする
Smiles C1CC(NC1)C2=CC(=C(C=C2)C3=NC4=C(C=CC=C4N3)C(=O)N)F
保管

In vitro
Batch:

DMSO : 33 mg/mL ( (101.74 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

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 匹

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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よくある質問（FAQ）

質問1:
how long is a half-life of A966492 drug?

回答
Sorry, Selleck don't have such information of this compound. But based on the reference: http://www.ncbi.nlm.nih.gov/pubmed/20337371, A966492 may have half-life of 1.7−1.9 hours. “with A-966492 demonstrating oral bioavailabilities of 34−72% and half-lives of 1.7−1.9 hours (in vivo)” which is cited from the reference.

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