PE859
Based on 2 publication(s) in Google Scholar
PE859 is a potent inhibitor of both tau and Aβ aggregation with IC50 values of 0.66 and 1.2 μM, respectively.
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研究用途以外に使用した場合、当社は一切の責任を負いかねます。
- 純度: 99.01%
- CAS 番号: 1402727-29-0
- 分子式: C28H24N4O2
- 分子量:448.52
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保管条件:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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生物活性
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化学情報
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溶剤 & 溶解度
- プロトコル
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
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MedChemExpress（MCE）の使用を引用している文献 PE859
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生物活性
IC50: 0.66 μM (tau), 1.2 μM (Aβ)[1]
PE859 inhibits the heparin-induced aggregation of both 3RMBD and full length tau in a concentration-dependent manner. In each assay, the IC50 values calculated at the last measurement periods are 0.81 μM, and 2.23 μM, respectively. PE859 inhibits tau aggregation through formation of beta-sheet structure[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 1402727-29-0
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性状 Solid
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分子量 448.52
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分子式 C28H24N4O2
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Color Light yellow to khaki
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SMILES
COC1=CC(OCC2=NC=CC=C2)=CC=C1/C=C/C3=CC(/C=C/C4=CC5=C(C=C4)C=CN5)=NN3
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (2)
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Journal Impact Factor
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Most Recent
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Elife
Targeted degradation of aberrant tau in frontotemporal dementia patient-derived neuronal cell models. [Abstract]2019 Mar 25:8:e45457. PMID: 30907729 -
bioRxiv
2026 Feb 13:2026.02.12.705375. PMID: 41727032
溶剤 & 溶解度
DMSO : 50 mg/mL (111.48 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (5.57 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
プロトコル
Tau aggregation is monitored using thioflavin T. The test compound (PE859), 10 μM 3RMBD and 10 μM heparin are dissolved in 50 mM Tris-HCl (pH7.6), and incubated at 37°C up to 144 hours. At each point of incubation time, 135 μL of the solutions are removed and mixed with 15 μL of 100 μM ThT solution (final concentration: 10 μM) and the fluorescence intensity with excitation at 440 nm and emission at 486 nm is measured[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice: PE859 is dissolved in 80% PEG400 and 20% water solution at 5 mg/mL, and orally-administered at a dose of 40 mg/kg/day for 6 months (from 9 to 15 months of age). The body weights of the mice are measured once a week during PE859 treatment[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
純度とドキュメンテーション
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データシート (274 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Portuguese - PT (393 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Okuda M, et al. Design and synthesis of curcumin derivatives as tau and amyloid β dual aggregation inhibitors. Bioorg Med Chem Lett. 2016 Oct 15;26(20):5024-5028. [Content Brief]
[2]. Okuda M, et al. PE859, a novel tau aggregation inhibitor, reduces aggregated tau and prevents onset and progression of neural dysfunction in vivo. PLoS One. 2015 Feb 6;10(2):e0117511. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.2296 mL | 11.1478 mL | 22.2956 mL | 55.7389 mL |
| 5 mM | 0.4459 mL | 2.2296 mL | 4.4591 mL | 11.1478 mL | |
| 10 mM | 0.2230 mL | 1.1148 mL | 2.2296 mL | 5.5739 mL | |
| 15 mM | 0.1486 mL | 0.7432 mL | 1.4864 mL | 3.7159 mL | |
| 20 mM | 0.1115 mL | 0.5574 mL | 1.1148 mL | 2.7869 mL | |
| 25 mM | 0.0892 mL | 0.4459 mL | 0.8918 mL | 2.2296 mL | |
| 30 mM | 0.0743 mL | 0.3716 mL | 0.7432 mL | 1.8580 mL | |
| 40 mM | 0.0557 mL | 0.2787 mL | 0.5574 mL | 1.3935 mL | |
| 50 mM | 0.0446 mL | 0.2230 mL | 0.4459 mL | 1.1148 mL | |
| 60 mM | 0.0372 mL | 0.1858 mL | 0.3716 mL | 0.9290 mL | |
| 80 mM | 0.0279 mL | 0.1393 mL | 0.2787 mL | 0.6967 mL | |
| 100 mM | 0.0223 mL | 0.1115 mL | 0.2230 mL | 0.5574 mL |
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