Pridopidine
Based on 1 Customer Validation
Pridopidine, a dopamine (DA) stabilizer, acts as a low affinity dopamine D2 receptor (D2R) antagonist. Pridopidine exerts high affinity towards sigma 1 receptor (S1R) with Ki between 70 and 80 nM, which is ~100× higher than its affinity toward D2R.
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- Pureté: 99.85%
- CAS No.: 346688-38-8
- Formule: C15H23NO2S
- Masse moléculaire:281.41
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Stockage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Protocole
- Pureté et documentation
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Activité biologique
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D2 Receptor |
Pridopidine, a dopamine (DA) stabilizer, Pridopidine may be a neuromodulatory agent with neuroprotective properties in Huntington disease (HD). To clarify the neuroprotective efficacy of Pridopidine and to explore the potential underling molecular mechanism, the ability of Pridopidine is evaluated to protect cells from apoptosis and to eventually activate pro-survival targets. Administration of Pridopidine (150 μM), the most effective dose, significantly reduces apoptosis in immortalized striatal knock-in cells expressing endogenous levels of mutant Htt (STHdh111/111) and markedly enhances phosphorylation state of prosurvival kinase ERK[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.
Chemical Information
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CAS No. 346688-38-8
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Appearance Solid
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Masse moléculaire 281.41
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Formule C15H23NO2S
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Color White to off-white
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SMILES
O=S(C1=CC(C2CCN(CCC)CC2)=CC=C1)(C)=O
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Synonyms
ACR16; ASP2314; FR310826
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Solvant et solubilité
DMSO : 100 mg/mL (355.35 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 (8.88 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (8.88 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 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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.
Protocole
Conditionally immortalized mouse striatal knock-in cells expressing endogenous levels of wild-type (STHdh7/7) or mHtt (STHdh111/111) are used. Different concentrations of Pridopidine (100, 150, 200 and 300 μM) are tested to investigate the anti-apoptotic effect of the molecule on immortalized cells cultured in serum-free medium at 39°C for six hours. In NE100 experiments, cells are pre-incubated with the compound (10 μM) for 2 hrs before culturing them in apoptotic conditions. At the end of each treatment, cells are collected and incubated with FITC-conjugated Annexin V. Fluorescence Activated Cell Sorting (FACS) analysis is performed[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Rats[1]
Sprague Dawley (SD) male rats (n=6 per group) are treated daily by oral gavage with Pridopidine at a dose of 60 mg/kg or vehicle (water) over the course of 10 days. On day 10, 90 min following last drug/water administration, brains are removed, and quickly rinsed with cold physiological saline. The striatum of the left hemisphere is gently extracted and immediately immerged in 1000 µL of RNAlater Solution in pre-labelled polypropylene vials and stored at 4°C overnight (to allow the solution to thoroughly penetrate the tissue), then moved to -20°C until analysis. RNA is isolated from the striatum of each rat and analysed[1].
Mice[2]
All in vivo experiments are conducted in R6/2 transgenic mice expressing exon 1 of human Htt with approximately 160±10 (CAG) repeats and manifesting first symptoms around week 7, and in wild-type (WT) littermates maintained on the B6CBA strain. Animals are housed singly and maintained under a 12-hr light/dark cycle environment in a clean facility and given free access to food pellets and water. Pridopidine is dissolved in saline (vehicle), and administered daily by intraperitoneal (i.p.) injection at a dose of 5 or 6 mg/kg per bodyweight during the light phase of the circadian rhythm. Control mice (WT and R6/2) are injected daily with the same volume of vehicle. All the mice are singly housed in home cage. Pridopidine (5 mg/kg) is administered to pre-symptomatic mice starting at week 5 to week 11 (6 week duration) and for symptomatic animals starting from week 7 to week 9 (3 weeks duration) and 1 week of daily administration (6 mg/kg) at week 10[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureté et documentation
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Fiche technique (278 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)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. Geva M, et al. Pridopidine activates neuroprotective pathways impaired in Huntington Disease. Hum Mol Genet. 2016 Sep 15;25(18):3975-3987. [Content Brief]
[2]. Squitieri F, et al. Pridopidine, a dopamine stabilizer, improves motor performance and shows neuroprotective effects in Huntington disease R6/2 mouse J Cell Mol Med. 2015 Nov;19(11):2540-8. model. [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 | 3.5535 mL | 17.7677 mL | 35.5353 mL | 88.8383 mL |
| 5 mM | 0.7107 mL | 3.5535 mL | 7.1071 mL | 17.7677 mL | |
| 10 mM | 0.3554 mL | 1.7768 mL | 3.5535 mL | 8.8838 mL | |
| 15 mM | 0.2369 mL | 1.1845 mL | 2.3690 mL | 5.9226 mL | |
| 20 mM | 0.1777 mL | 0.8884 mL | 1.7768 mL | 4.4419 mL | |
| 25 mM | 0.1421 mL | 0.7107 mL | 1.4214 mL | 3.5535 mL | |
| 30 mM | 0.1185 mL | 0.5923 mL | 1.1845 mL | 2.9613 mL | |
| 40 mM | 0.0888 mL | 0.4442 mL | 0.8884 mL | 2.2210 mL | |
| 50 mM | 0.0711 mL | 0.3554 mL | 0.7107 mL | 1.7768 mL | |
| 60 mM | 0.0592 mL | 0.2961 mL | 0.5923 mL | 1.4806 mL | |
| 80 mM | 0.0444 mL | 0.2221 mL | 0.4442 mL | 1.1105 mL | |
| 100 mM | 0.0355 mL | 0.1777 mL | 0.3554 mL | 0.8884 mL |
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