2. Neuronal Signaling
  3. Beta-secretase
  4. PF-06751979

PF-06751979 是一种有效的，脑渗透性的 β-淀粉样前体蛋白裂解酶1 (BACE1) 抑制剂，IC50 为 7.3 nM。

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PF-06751979 Chemical Structure

PF-06751979 Chemical Structure

CAS No. : 1818339-66-0

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ￥4180
In-stock
1 mg ￥1520
In-stock
5 mg ￥3800
In-stock
10 mg ￥5800
In-stock
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100 mg   询价  

* Please select Quantity before adding items.

Customer Review

PF-06751979 相关抗体

Top Publications Citing Use of Products

MCE 顾客使用本产品发表的 1 篇科研文献

查看 Beta-secretase 亚型特异性产品:

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BACE1 BACE2

  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

PF-06751979 is a potent, brain penetrant, β-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibitor with an IC50 of 7.3 nM in BACE1 binding assay.

IC50 & Target

IC50: 7.3 nM (BACE1), 194 nM (BACE2)[1]
体外研究
(In Vitro)

PF-06751979 shows improved selectivity over BACE2 (IC50=194 nM) in binding (27-fold) relative to the literature examples and across multiple chemical series in BACE1 program. PF-06751979 also inhibits BACE1 and BACE2 in a fluorescent polarization (FP) assay with IC50s of 26.9 nM and 238 nM, respectively. PF-06751979 has excellent potency at BACE1 in binding or FP assay formats along with cellular activity looking at production of sAPPβ in H4 cells with an IC50 of 5 nM[1].

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

PF-06751979 相关抗体:
体内研究
(In Vivo)

PF-06751979 displays excellent brain penetration, potent in vivo efficacy, and broad selectivity over related aspartyl proteases including BACE2. Acute administration of PF-06751979 yields a robust dose-responsive and time-dependent reduction of cerebral spinal fluid (CSF) Aβx-40 with peak inhibition at 3 h of >77%. To determine if the reduction in brain and CSF Aβ is maintained during sustained exposure to PF-06751979, a 5 day subchronic study is executed, dosing once daily by subcutaneous (SC) administration (10 or 50 mg/kg/day). Brain and CSF samples are collected on day 5, following the last dose. PF-06751979 produces a dose-responsive and time-dependent inhibition of Aβ42 in mouse brain. At the 50 mg/kg/day dose, maximal brain lowering is 63% at 7 to 9 h. Administration of PF-06751979 (10 or 50 mg/kg/day for 5 days) produces a dose-responsive and time-dependent inhibition of Aβx-40 in mouse CSF resulting in 77% inhibition of CSF at 3 h post-final 50 mg/kg dose[1].

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

455.50

Formula

C18H19F2N5O3S2
CAS 号
性状

固体

颜色

White to off-white

运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO 中的溶解度 : 150 mg/mL (329.31 mM; 超声助溶; 吸湿的 DMSO 对产品的溶解度有显著影响，请使用新开封的 DMSO)

Ethanol 中的溶解度 : 50 mg/mL (109.77 mM; 超声助溶)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.1954 mL 10.9769 mL 21.9539 mL
5 mM 0.4391 mL 2.1954 mL 4.3908 mL
查看完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C储存时，请在6个月内使用，-20°C储存时，请在1个月内使用。

  • 摩尔计算器

  • 稀释计算器

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

质量
=
浓度
×
体积
×
分子量 *

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

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

In Vivo:

请根据您的 实验动物和给药方式 选择适当的溶解方案。

以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：
——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；
以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

  • 方案 一

    请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.75 mg/mL (6.04 mM); 澄清溶液

    此方案可获得 ≥ 2.75 mg/mL（饱和度未知）的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 27.5 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；再向上述体系中加入 50 μL Tween-80，混合均匀；然后再继续加入 450 μL 生理盐水 定容至 1 mL。

    生理盐水的配制：将 0.9 g 氯化钠，溶解于 ddH₂O 并定容至 100 mL，可以得到澄清透明的生理盐水溶液。
  • 方案 二

    请依序添加每种溶剂： 10% DMSO    90% Corn Oil

    Solubility: ≥ 2.75 mg/mL (6.04 mM); 澄清溶液

    此方案可获得 ≥ 2.75 mg/mL（饱和度未知）的澄清溶液，此方案实验周期在半个月以上的动物实验酌情使用。

    以 1 mL 工作液为例，取 100 μL 27.5 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

动物溶解方案计算器
请输入动物实验的基本信息：

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

只
由于实验过程有损耗，建议您多配一只动物的量
请输入您的动物体内配方组成：
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
如果您的动物是免疫缺陷鼠或者体弱鼠，建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
方案所需 助溶剂 包括：DMSO， ，均可在 MCE 网站选购。 ，Tween 80，均可在 MCE 网站选购。
计算结果
工作液所需浓度 : mg/mL
储备液配制方法 : mg 药物溶于 μL  DMSO（母液浓度为 mg/mL）。
您所需的储备液浓度超过该产品的实测溶解度，以下方案仅供参考，如有需要，请与 MCE 中国技术支持联系。
动物实验体内工作液的配制方法 : 取 μL DMSO 储备液，加入 μL 。 μL ，混合均匀至澄清，再加 μL Tween 80，混合均匀至澄清，再加 μL 生理盐水。
连续给药周期超过半月以上，请谨慎选择该方案。
请确保第一步储备液溶解至澄清状态，从左到右依次添加助溶剂。您可采用超声加热 （超声清洗仪，建议频次 20-40 kHz），涡旋吹打等方式辅助溶解。
纯度 & 产品资料

纯度: 99.23%

COA (173 KB) RP-HPLC (243 KB)

产品使用指南 (1538 KB)
参考文献
Kinase Assay
[1]

Both BACE1 and BACE2 enzymatic activity is measured with the aid of an optimized synthetic peptide substrate biotin-GLTNIKTEEISEISYEVEFR-C[Oregon green]KK-OH. Upon cleavage of the peptide substrate, a decrease in fluorescence polarization is measured. Compounds are diluted by half log in 100% DMSO 11 times with a top concentration of 10mM in a 384-well polypropylene plate. The 100% DMSO dose response curve is then added to a 384-well black assay plate as 0.150 μL per well. The final working top concentration is 0.1 mM, and the DMSO concentration is 1%. A volume of 7.5 μL of BACE substrate is then added in assay buffer (100 mM sodium acetate, pH to 4.5 with glacial acetic acid, 0.001% Tween 20). The background wells in column 1 of the 384-well assay plate receive 7.5 μL of assay buffer. The reaction is started with the addition of 7.5 μL of BACE1 or BACE2 enzyme in assay buffer to all wells except the background wells in column 1. The final concentration of peptide substrate is 150 nM, and the final concentration of BACE1 and BACE2 enzyme is 0.15 and 2.5 nM, respectively. The assay plate is sealed and incubated at 37°C for 3 or 1 h (BACE1 or BACE2, respectively). After incubation, 15 μL of stop solution (1.5 μM streptavidin in Dulbecco’s PBS) is added to all wells, and the plate is read. Percent effect values for each concentration of compound are calculated based on fluorescence polarization (FP) readings in the 100% effect control wells containing no enzyme and the 0% effect control wells containing no compound. Curve-fitting analysis utilizing concentrations and percent effect values for a given compound is plotted, and the IC50 is determined using a sigmoidal four-parameter fit algorithm[1].

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

The neuroglioma cell line H4 cells are grown in Dulbecco’s modified Eagle’s medium (DMEM) with 10% fetal bovine serum (FBS) and 200 mM glutamax. Cells are plated overnight in tissue culture treated Falcon 384-well plates at a cell density of 4500 cells/well in 50 μL of media. The next day, media is removed, and cells are washed once with PBS, after which 25 μL of media is placed in all wells, followed by the addition of the diluted PF-06751979 dose response curve. The highest concentration tested is 30 μM with 1% DMSO. Cells serving as the background controls receive 30 μM of a proprietary compound. Compounds are allowed to incubate with cells overnight in a 37°C incubator. Concurrently, 384-well black Nunc Maxisorp plates are also incubated overnight at 4°C with 10 μL of 4 μg/mL Aβ antibody in coating buffer (0.1 M sodium bicarbonate, pH 8.8 to 9.0)[1].

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

Mice[1]
Male 129/sve wild-type mice (20-25 g) are in a nonfasted state prior to subcutaneous dosing with vehicle or PF-06751979 using a dosing volume of 10 mL/kg. The mice are dosed subcutaneously once a day for 5 days with PF-06751979 (10 or 50 mg/kg/day) or vehicle. The mice (n=5 per group) are then sacrificed at 1, 3, 5, 7, 14, 20, and 30 h postdose. Following cardiac puncture into ethylenediaminetetraacetic acid (EDTA)-containing tubes, whole blood samples (0.5-1.0 mL) are collected, and plasma is separated by centrifugation (1500× g for 10 min at 4°C). The generated plasma is distributed into separate tubes on wet ice for exposure measurements (50 μL) and Aβ analysis (remainder). CSF samples (8-12 μL) are obtained by cisterna magna puncture using a sterile 25 gauge needle and collected with a P-20 Eppendorff pipet. CSF samples are distributed into separate tubes on dry ice for exposure measurements (3 μL) and Aβ analysis (remainder). Whole brain is removed and divided for exposure measurements (cerebellum) and Aβ analysis (left and right hemispheres), weighed, and frozen on dry ice. Prior to the assay, all samples are stored at -80°C[1].

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

PF-06751979 相关分类

完整储备液配制表

* 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C储存时，请在6个月内使用，-20°C储存时，请在1个月内使用。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
Ethanol / DMSO 1 mM 2.1954 mL 10.9769 mL 21.9539 mL 54.8847 mL
5 mM 0.4391 mL 2.1954 mL 4.3908 mL 10.9769 mL
10 mM 0.2195 mL 1.0977 mL 2.1954 mL 5.4885 mL
15 mM 0.1464 mL 0.7318 mL 1.4636 mL 3.6590 mL
20 mM 0.1098 mL 0.5488 mL 1.0977 mL 2.7442 mL
25 mM 0.0878 mL 0.4391 mL 0.8782 mL 2.1954 mL
30 mM 0.0732 mL 0.3659 mL 0.7318 mL 1.8295 mL
40 mM 0.0549 mL 0.2744 mL 0.5488 mL 1.3721 mL
50 mM 0.0439 mL 0.2195 mL 0.4391 mL 1.0977 mL
60 mM 0.0366 mL 0.1829 mL 0.3659 mL 0.9147 mL
80 mM 0.0274 mL 0.1372 mL 0.2744 mL 0.6861 mL
100 mM 0.0220 mL 0.1098 mL 0.2195 mL 0.5488 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.

Keywords:

PF-067519791818339-66-0PF06751979PF 06751979Beta-secretaseBACEβ-SecretaseInhibitorinhibitorinhibit

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