Timapiprant
Based on 4 publication(s) in Google Scholar
Timapiprant (OC000459) is a potent, selective, and orally active D prostanoid receptor 2 (DP2, also known as CRTH2) antagonist. Timapiprant (OC000459) potently displaces [3H] PGD2 from human recombinant DP2 (Ki=13 nM), rat recombinant DP2 (Ki=3 nM), and human native DP2 (Ki=4 nM). Timapiprant (OC000459) inhibits mast cell activation of Th2 lymphocytes and eosinophils.
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- Pureté: 98.03%
- CAS No.: 851723-84-7
- Formule: C21H17FN2O2
- Masse moléculaire:348.37
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Stockage:
4°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Timapiprant
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Activité biologique
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DP |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CHO-K1 | IC50 |
130 nM
Compound: 17
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Antagonist activity at CRTh2 receptor (unknown origin) overexpressed in CHOK1 cell membranes assessed as inhibition of [35S]-GTPgammaS binding preincubated for 1 hr followed by 50 nM PGD2 and 0.1 nM [35S]-GTPgammaS addition measured after 2 hrs by liquid
Antagonist activity at CRTh2 receptor (unknown origin) overexpressed in CHOK1 cell membranes assessed as inhibition of [35S]-GTPgammaS binding preincubated for 1 hr followed by 50 nM PGD2 and 0.1 nM [35S]-GTPgammaS addition measured after 2 hrs by liquid
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[PMID: 23601708] |
Timapiprant (OC000459) (0.0001 μM-10 μM; 5 hours) inhibits chemotaxis (IC50=0.028 μM) of human Th2 lymphocytes and cytokine production (IC50=0.019 μM) by human Th2 lymphocytes[1]. Timapiprant (OC000459) (1 μM) inhibits the activation of Th2 cells and eosinophils in response to supernatants from IgE/anti-IgE-activated human mast cells[1]. Timapiprant (OC000459) (1 nM–1000 nM; 16 hours) inhibits the anti-apoptotic effect of PGD2 on Th2 cells with an IC50 of 0.035 uM[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Th2 Cells
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Concentration:0.0001 μM-10 μM
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Incubation Time:16 hours
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Result:Inhibited the antiapoptotic effect of PGD2.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 851723-84-7
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Appearance Solid
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Masse moléculaire 348.37
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Formule C21H17FN2O2
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Color Light yellow to yellow
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SMILES
O=C(O)CN1C(C)=C(CC2=NC3=CC=CC=C3C=C2)C4=C1C=CC(F)=C4
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Synonyms
OC000459
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
4°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
Publications (4)
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Journal Impact Factor
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Most Recent
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Allergol Int
2016 Oct;65(4):414-419. PMID: 27091669 -
Int J Mol Sci
Prostaglandins Regulate Urinary Purines by Modulating Soluble Nucleotidase Release in the Bladder Lumen. [Abstract]2025 Aug 19;26(16):8023. PMID: 40869346 -
Life Sci Alliance
Timapiprant, a prostaglandin D2 receptor antagonist, ameliorates pathology in a rat Alzheimer's model. [Abstract]2022 Sep 27;5(12):e202201555. PMID: 36167438 -
Solvant et solubilité
DMSO : 10 mg/mL (28.71 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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: ≥ 0.4 mg/mL (1.15 mM); Clear solution
This protocol yields a clear solution of ≥ 0.4 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (4.0 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. * In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
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.
Pureté et documentation
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Fiche technique (278 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Portuguese - PT (252 KB)
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Instruction de manipulation (2659 KB)
Références
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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.8705 mL | 14.3526 mL | 28.7051 mL | 71.7628 mL |
| 5 mM | 0.5741 mL | 2.8705 mL | 5.7410 mL | 14.3526 mL | |
| 10 mM | 0.2871 mL | 1.4353 mL | 2.8705 mL | 7.1763 mL | |
| 15 mM | 0.1914 mL | 0.9568 mL | 1.9137 mL | 4.7842 mL | |
| 20 mM | 0.1435 mL | 0.7176 mL | 1.4353 mL | 3.5881 mL | |
| 25 mM | 0.1148 mL | 0.5741 mL | 1.1482 mL | 2.8705 mL |
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