Epinastine
Based on 1 Customer Validation
Epinastine (WAL801) is a selective and orally active histamine H1 receptor antagonist, CD96/PVR inhibitor and mast cell stabilizer. Epinastine has high affinity for neuronal octopamine receptors in locusts (Ki = 2 nM) and honeybees (Ki = 1.1 nM). Epinastine hydrochloride inhibits TARC, IL-8, and IL-4. Epinastine activates anti-colon cancer immunity and inhibits Substance P (HY-P0201)-induced scratching behavior and increased vascular permeability. Epinastine can be used in the research of allergic diseases.
Para uso exclusivo en investigación. No vendemos a pacientes.
- Pureza: 98.0%
- No. CAS: 80012-43-7
- Fòrmula: C16H15N3
- Peso molecular:249.32
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Almacenamiento:
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Pureza y Documentación
- Referencias
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Help & FAQs
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Ver todos los productos específicos de isoformas Histamine Receptor
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Actividad biológica
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H1 Receptor |
IL-8 |
IL-4 |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HEK293 | IC50 |
1.1 μM
Compound: epinastine
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Inhibition of human MATE1-mediated ASP+ uptake expressed in HEK293 cells after 1.5 mins by fluorescence assay
Inhibition of human MATE1-mediated ASP+ uptake expressed in HEK293 cells after 1.5 mins by fluorescence assay
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[PMID: 23241029] |
| HEK293 | IC50 |
29.8 μM
Compound: epinastine
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Inhibition of human MATE2K-mediated ASP+ uptake expressed in HEK293 cells after 1.5 mins by fluorescence assay
Inhibition of human MATE2K-mediated ASP+ uptake expressed in HEK293 cells after 1.5 mins by fluorescence assay
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[PMID: 23241029] |
| HEK293 | IC50 |
4.3 μM
Compound: epinastine
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Inhibition of human OCT2-mediated ASP+ uptake expressed in HEK293 cells after 3 mins by fluorescence assay
Inhibition of human OCT2-mediated ASP+ uptake expressed in HEK293 cells after 3 mins by fluorescence assay
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[PMID: 23241029] |
Epinastine (50-100 μM) inhibits histamine release from rat peritoneal mast cells induced by antigen-antibody reaction[1].
Epinastine shows high affinity for neuronal octopamine receptors in locusts (Ki = 2 nM) and honeybees (Ki = 1.1 nM), specifically displaces [3H]NC-5Z binding to these receptors[2].
Epinastine (1-25 μg/mL; 3-24 h) dose- and time-dependently suppresses constitutive and Calcium ionophore-induced IL-8 release from human eosinophils of atopic patients[3].
Epinastine (1 μM; preincubation for 15 min, then incubation for 19 h) tends to inhibit PHA (HY-N7038)-induced IL-4 mRNA expression in peripheral blood mononuclear cells (PBMC) from asthmatic patients[4].
Epinastine (0.1 μM - 10 μM; 24 h) inhibits IgE secretion from rat IgE-producing hybridoma FE-3 cells[5].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Human peripheral blood mononuclear cells (PBMC) from asthmatic patients
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Concentration:1 μM
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Incubation Time:15 min (preincubation) + 19 h (incubation with PHA/HDM)
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Result:Tended to inhibit PHA-induced IL-4 mRNA expression (1.26 vs 0.74).
Had no significant effect on HDM-induced IL-4 mRNA expression.
Epinastine (2-6 mg/kg; i.p.; 14 days) significantly inhibits tumor growth in C57BL/6N mice bearing MC38 tumors, enhances infiltration and IFN-γ secretion of CD8+ T cells and NK cells in tumor tissues, and has no toxicity to major organs[8].
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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No. CAS 80012-43-7
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Appearance Solid
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Peso molecular 249.32
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Fòrmula C16H15N3
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Color White to off-white
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SMILES
NC1=NCC2N1C3=CC=CC=C3CC4=CC=CC=C24
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Synonyms
WAL801
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
Solvente y solubilidad
DMSO : ≥ 50 mg/mL (200.55 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
* "≥" means soluble, but saturation unknown.
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 (protect from light, 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 (protect from light, 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: ≥ 2.5 mg/mL (10.03 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 (10.03 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. * In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, 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.
Pureza y Documentación
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Ficha de datos (288 KB)
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SDS (761 KB)
- English - EN (761 KB)
- Français - FR (761 KB)
- Deutsch - DE (761 KB)
- Norwegian - NO (761 KB)
- Español - ES (761 KB)
- Swedish - SV (761 KB)
- Italian - IT (761 KB)
- Korean - KR (761 KB)
- Portuguese - PT (761 KB)
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Instrucciones de manejo (2659 KB)
Referencias
[1]. C Kamei, et al. Antiallergic effect of epinastine (WAL 801 CL) on immediate hypersensitivity reactions: (I). Elucidation of the mechanism for histamine release inhibition. Immunopharmacol Immunotoxicol. 1992;14(1-2):191-205. [Content Brief]
[2]. T Roeder, et al. Epinastine, a highly specific antagonist of insect neuronal octopamine receptors. ur J Pharmacol. 1998 May 22;349(2-3):171-7. [Content Brief]
[3]. T Kohyama, et al. A novel antiallergic drug epinastine inhibits IL-8 release from human eosinophils. Biochem Biophys Res Commun. 1997 Jan 3;230(1):125-8. [Content Brief]
[4]. Nakagawa T, et al. Modulatory effects of epinastine hydrochloride on IL-4 mRNA expression by peripheral blood mononuclear cells. Int Arch Allergy Immunol. 1997 May-Jul;113(1-3):321-2. [Content Brief]
[5]. Hanashiro K, et al. Antiallergic drugs, azelastine hydrochloride and epinastine hydrochloride, inhibit ongoing IgE secretion of rat IgE-producing hybridoma FE-3 cells. Eur J Pharmacol. 2006 Oct 10;547(1-3):174-83. [Content Brief]
[6]. Kanai K, et al. Suppressive activity of epinastine hydrochloride on TARC production from human peripheral blood CD4+ T cells in-vitro. J Pharm Pharmacol. 2005 Aug;57(8):1027-36. [Content Brief]
[7]. Inagaki N, et al. Evaluation of anti-scratch properties of oxatomide and epinastine in mice. Eur J Pharmacol. 2000 Jul 14;400(1):73-9. [Content Brief]
[8]. Zhang X, et al. Identification of Epinastine as CD96/PVR inhibitor for cancer immunotherapy. BMC Biol. 2025 Jan 27;23(1):27. [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, 6 months; -20°C, 1 month (protect from light, 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 | 4.0110 mL | 20.0548 mL | 40.1096 mL | 100.2739 mL |
| 5 mM | 0.8022 mL | 4.0110 mL | 8.0219 mL | 20.0548 mL | |
| 10 mM | 0.4011 mL | 2.0055 mL | 4.0110 mL | 10.0274 mL | |
| 15 mM | 0.2674 mL | 1.3370 mL | 2.6740 mL | 6.6849 mL | |
| 20 mM | 0.2005 mL | 1.0027 mL | 2.0055 mL | 5.0137 mL | |
| 25 mM | 0.1604 mL | 0.8022 mL | 1.6044 mL | 4.0110 mL | |
| 30 mM | 0.1337 mL | 0.6685 mL | 1.3370 mL | 3.3425 mL | |
| 40 mM | 0.1003 mL | 0.5014 mL | 1.0027 mL | 2.5068 mL | |
| 50 mM | 0.0802 mL | 0.4011 mL | 0.8022 mL | 2.0055 mL | |
| 60 mM | 0.0668 mL | 0.3342 mL | 0.6685 mL | 1.6712 mL | |
| 80 mM | 0.0501 mL | 0.2507 mL | 0.5014 mL | 1.2534 mL | |
| 100 mM | 0.0401 mL | 0.2005 mL | 0.4011 mL | 1.0027 mL |
Epinastine Related Classifications
HY-B0640 Related Classifications
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