NGP555
Based on 1 Customer Validation
NGP555 is a γ-secretase modulator. NGP555 Lowers the Amyloid Biomarker Aβ42.
For research use only. We do not sell to patients.
- Purity: 98.77%
- CAS No.: 1304630-27-0
- Formula: C23H23FN4S
- Molecular Weight:406.52
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
γ-secretase[1]
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CHO | IC50 |
10 nM
Compound: 1
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Modulation of gamma-secretase in CHO cells expressing human APP695 assessed as inhibition of Abeta42 level after 20 hrs by FRET HTS assay
Modulation of gamma-secretase in CHO cells expressing human APP695 assessed as inhibition of Abeta42 level after 20 hrs by FRET HTS assay
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[PMID: 27426299] |
| SH-SY5Y | EC50 |
29 nM
Compound: 42
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Modulation of gamma-secretase in human SH-SY5Y cells expressing human APP751 assessed as reduction in amyloid beta 42 production after 18 to 22 hrs by sandwich ELISA
Modulation of gamma-secretase in human SH-SY5Y cells expressing human APP751 assessed as reduction in amyloid beta 42 production after 18 to 22 hrs by sandwich ELISA
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[PMID: 27007185] |
NGP555 potently lowers Aβ42 in cell cultures (9 nM) while increasing shorter forms of Aβ[1].
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.
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 1304630-27-0
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Appearance Solid
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Molecular Weight 406.52
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Formula C23H23FN4S
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Color White to off-white
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SMILES
CC1=CN(C2=CC=C(C3=CSC(NC4=CC(CC)=C(C)C=C4C)=N3)C=C2F)C=N1
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Solvent & Solubility
DMSO : 25 mg/mL (61.50 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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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 (6.15 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
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.
Protocol
SH-SY5Y-APP cells, Tg2576 mixed brain cultures, or C57 mixed brain cultures are treated with various concentrations of NGP555 in triplicate wells, for 18 hours. Media is collected and analyzed for Aβ peptides using triplex ELISA (Aβ38 and Aβ42)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
For CSF studies, Normal Sprague-Dawley male rats (250 to 300 g) are administered NGP555 in 80% PEG orally or vehicle only, n=10/group. Rats are dosed once-daily for a single-dose or 14 days of dosing. After the final dose, cerebrospinal fluid (CSF) samples are either collected at varying time points or a single time point post-last dose. Rats are deeply anesthetized with isoflurane, and CSF is collected from the cisterna magna. Samples are tested for Aβ level. For Y-maze study, transgenic mice (Tg2576 line expressing the APP-Swe mutation) and non-transgenic age-matched littermates (n=a minimum of 12/group) are treated with vehicle, NGP555 (25 mg/kg) once-daily for 30 consecutive days (starting at 5 months of age). At 6 months, mice are assessed on the Y-maze behavior test[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (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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Handling Instructions (2659 KB)
References
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 | 2.4599 mL | 12.2995 mL | 24.5990 mL | 61.4976 mL |
| 5 mM | 0.4920 mL | 2.4599 mL | 4.9198 mL | 12.2995 mL | |
| 10 mM | 0.2460 mL | 1.2300 mL | 2.4599 mL | 6.1498 mL | |
| 15 mM | 0.1640 mL | 0.8200 mL | 1.6399 mL | 4.0998 mL | |
| 20 mM | 0.1230 mL | 0.6150 mL | 1.2300 mL | 3.0749 mL | |
| 25 mM | 0.0984 mL | 0.4920 mL | 0.9840 mL | 2.4599 mL | |
| 30 mM | 0.0820 mL | 0.4100 mL | 0.8200 mL | 2.0499 mL | |
| 40 mM | 0.0615 mL | 0.3075 mL | 0.6150 mL | 1.5374 mL | |
| 50 mM | 0.0492 mL | 0.2460 mL | 0.4920 mL | 1.2300 mL | |
| 60 mM | 0.0410 mL | 0.2050 mL | 0.4100 mL | 1.0250 mL |
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