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  2. Cell Cycle/DNA Damage Epigenetics
  3. PARP
  4. A-966492

A-966492 是一種新穎的，有效的 PARP1 和 PARP2 抑制劑，Ki 值為 1 nM 和 1.5 nM。

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A-966492 Chemical Structure

A-966492 Chemical Structure

CAS No. : 934162-61-5

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規(guī)格 價格 是否有貨 數量
1 mg ￥360
In-stock
5 mg ￥1063
In-stock
10 mg ￥1700
In-stock
25 mg ￥2963
In-stock
50 mg ￥4250
In-stock
100 mg 現貨 詢價
200 mg   詢價  
500 mg   詢價  

* Please select Quantity before adding items.

  • 生物活性

  • 實驗參考方法

  • 純度 & 產品資料

  • 參考文獻

生物活性

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

IC50 & Target[1]

PARP-1

1 nM (Ki)

PARP-2

1.5 nM (Ki)

體外研究
(In Vitro)

A-966492 is one of the most potent PARP inhibitors. A-966492 displays excellent potency against the PARP-1 enzyme with a Ki of 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].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
體內研究
(In Vivo)

A-966492 demonstrates good in vivo efficacy in a B16F10 subcutaneous murine melanoma model in combination with temozolomide and in an MX-1 breast cancer xenograft model both as a single agent and in combination with carboplatin. In addition, A-966492 has excellent pharmaceutical properties and has demonstrated in vivo efficacy in preclinical mouse tumor models in combination with TMZ and carboplatin, 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].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

324.35

Formula

C18H17FN4O
CAS 號
性狀

固體

顏色

White to off-white

運輸條件

Room temperature in continental US; may vary elsewhere.
儲存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
溶解性數據
細胞實驗： 

DMSO 中的溶解度 : ≥ 100 mg/mL (308.31 mM; 吸濕的 DMSO 對產品的溶解度有顯著影響，請使用新開封的 DMSO)

* "≥" means soluble, but saturation unknown.

配制儲備液
濃度 溶劑體積 質量 1 mg 5 mg 10 mg
1 mM 3.0831 mL 15.4154 mL 30.8309 mL
5 mM 0.6166 mL 3.0831 mL 6.1662 mL
查看完整儲備液配制表

* 請根據產品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液；一旦配成溶液，請分裝保存，避免反復凍融造成的產品失效。
儲備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲存時，請在2年內使用， -20°C儲存時，請在1年內使用。

  • 摩爾計算器

  • 稀釋計算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

質量
=
濃度
×
體積
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

濃度 (start)

C1

×
體積 (start)

V1

=
濃度 (final)

C2

×
體積 (final)

V2

動物實驗：

請根據您的 實驗動物和給藥方式 選擇適當的溶解方案。

以下溶解方案都請先按照 In Vitro 方式配制澄清的儲備液，再依次添加助溶劑：
——為保證實驗結果的可靠性，澄清的儲備液可以根據儲存條件，適當保存；體內實驗的工作液，建議您現用現配，當天使用；
以下溶劑前顯示的百分比是指該溶劑在您配制終溶液中的體積占比；如在配制過程中出現沉淀、析出現象，可以通過加熱和/或超聲的方式助溶

  • 方案 一

    請依序添加每種溶劑： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (7.71 mM); 澄清溶液

    此方案可獲得 ≥ 2.5 mg/mL（飽和度未知）的澄清溶液。

    以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 400 μL PEG300 中，混合均勻；再向上述體系中加入 50 μL Tween-80，混合均勻；然后再繼續(xù)加入 450 μL 生理鹽水 定容至 1 mL。

    生理鹽水的配制：將 0.9 g 氯化鈉，溶解于 ddH?O 并定容至 100 mL，可以得到澄清透明的生理鹽水溶液。
  • 方案 二

    請依序添加每種溶劑： 10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (7.71 mM); 澄清溶液

    此方案可獲得 ≥ 2.5 mg/mL（飽和度未知）的澄清溶液。

    以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 900 μL 20% 的 SBE-β-CD 生理鹽水水溶液 中，混合均勻。

    2 g SBE-β-CD（磺丁基醚 β-環(huán)糊精）粉末定容于 10 mL 的生理鹽水中，完全溶解至澄清透明。
動物溶解方案計算器
請輸入動物實驗的基本信息：

給藥劑量

mg/kg

動物的平均體重

g

每只動物的給藥體積

μL

動物數量

只
由于實驗過程有損耗，建議您多配一只動物的量
請輸入您的動物體內配方組成：
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
如果您的動物是免疫缺陷鼠或者體弱鼠，建議 DMSO 中的在最后工作液體系中的占比盡量不超過 2%。
方案所需 助溶劑 包括：DMSO， ，均可在 MCE 網站選購。 ，Tween 80，均可在 MCE 網站選購。
計算結果
工作液所需濃度 : mg/mL
儲備液配制方法 : mg 藥物溶于 μL  DMSO（母液濃度為 mg/mL）。
您所需的儲備液濃度超過該產品的實測溶解度，以下方案僅供參考，如有需要，請與 MCE 中國技術支持聯系。
動物實驗體內工作液的配制方法 : 取 μL DMSO 儲備液，加入 μL 。 μL ，混合均勻至澄清，再加 μL Tween 80，混合均勻至澄清，再加 μL 生理鹽水。
連續(xù)給藥周期超過半月以上，請謹慎選擇該方案。
請確保第一步儲備液溶解至澄清狀態(tài)，從左到右依次添加助溶劑。您可采用超聲加熱 （超聲清洗儀，建議頻次 20-40 kHz），渦旋吹打等方式輔助溶解。
純度 & 產品資料
參考文獻
Kinase Assay
[1]

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 (appr 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.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Assay
[1]

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 fluorescein 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).

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

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 on study day 0. Tumors are allowed to grow to the indicated size and then randomized to therapy groups (N=10 mice/group). PARP inhibitor therapy begin on day 14, with cisplatin treatment starting on day 16. At various intervals following tumor inoculation, the individual tumor dimensions are serially measured using calibrated microcalipers, and the tumor volumes are calculated.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
參考文獻

完整儲備液配制表

* 請根據產品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液；一旦配成溶液，請分裝保存，避免反復凍融造成的產品失效。
儲備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲存時，請在2年內使用， -20°C儲存時，請在1年內使用。

可選溶劑 濃度 溶劑體積 質量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.0831 mL 15.4154 mL 30.8309 mL 77.0772 mL
5 mM 0.6166 mL 3.0831 mL 6.1662 mL 15.4154 mL
10 mM 0.3083 mL 1.5415 mL 3.0831 mL 7.7077 mL
15 mM 0.2055 mL 1.0277 mL 2.0554 mL 5.1385 mL
20 mM 0.1542 mL 0.7708 mL 1.5415 mL 3.8539 mL
25 mM 0.1233 mL 0.6166 mL 1.2332 mL 3.0831 mL
30 mM 0.1028 mL 0.5138 mL 1.0277 mL 2.5692 mL
40 mM 0.0771 mL 0.3854 mL 0.7708 mL 1.9269 mL
50 mM 0.0617 mL 0.3083 mL 0.6166 mL 1.5415 mL
60 mM 0.0514 mL 0.2569 mL 0.5138 mL 1.2846 mL
80 mM 0.0385 mL 0.1927 mL 0.3854 mL 0.9635 mL
100 mM 0.0308 mL 0.1542 mL 0.3083 mL 0.7708 mL
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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HY-10614
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