W146 TFA
Based on 8 publication(s) in Google Scholar
W146 TFA is a selective antagonist of sphingosine-1-phosphate receptor 1 (S1PR1) with an EC50 value of 398 nM.
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- Reinheit: 98.22%
- CAS. Nr.: 909725-62-8
- Formel: C18H28F3N2O6P
- Molecular Weight:456.39
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Speicherung:
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
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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Biologische Aktivität
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Chemical Information
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Lösungsmittel & Löslichkeit
- Reinheit & Dokumentation
- Verweise
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Help & FAQs
Publications Citing Use of MedChemExpress (MCE) W146 TFA
More- Cell Metab. 2026 May 14:S1550-4131(26)00151-8. [Abstract]
- Cancer Commun (Lond). 2025 Jul 16. [Abstract]
- Nat Cell Biol. 2025 Jun;27(6):918-930. [Abstract]
- Autophagy. 2025 Apr 3. [Abstract]
- J Nutr Biochem. 2024 Apr:126:109587. [Abstract]
- iScience. 2024 Oct 30;27(12):111290. [Abstract]
- Mechanobiol Med. 2026 Jul 13.
- bioRxiv. 2026 Jun 29.
Customer Validation & Images
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RT-PCR
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Others
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WB
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Histological Imaging/Staining
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IF
Biologische Aktivität
EC50: 398 nM (S1PR1)[1].
W146 is a S1PR1 antagonist with a Ki of ~70-80 nM[1].
W146 pretreatment significantly increases activated cleaved caspase-3 levels. The reduced EPCs apoptosis which induced by S1P is completely abolished after treatment with W146[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Endothelial progenitor cells (EPCs).
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Concentration:10 μM.
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Incubation Time:30 min before the addition of S1P.
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Result:Increases activated cleaved caspase-3 levels.
The W146-mediated augmentation of KSL-HSPC mobilization is specific, because pretreatment of mice with W140 is unable to produce any effect on AMD3100-stimulated KSL-HSPC mobilization. Injections of W146, W140, JTE013, or Cay10444 do not alter the basal WBC count in mice[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Mice (4-6-week-old)[3]
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Dosage:5 mg/kg.
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Administration:IP, 1 hour prior to AMD3100 (ADM) administration.
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Result:Significantly increased in KSL-HSPC mobilization compared to that in mice pretreated with dextran followed by AMD3100 administration.
Chemical Information
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CAS. Nr. 909725-62-8
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Appearance Solid
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Molecular Weight 456.39
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Formel C18H28F3N2O6P
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Color White to off-white
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SMILES
O=C(NC1=CC=CC(CCCCCC)=C1)[C@H](N)CCP(O)(O)=O.O=C(O)C(F)(F)F
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Publications (8)
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Journal Impact Factor
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Most Recent
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Cell Metab
Adipokine IL-11/IL-11Ra constrains sphingolipid metabolism to limit the thermogenic capacity of beige adipocytes. [Abstract]2026 May 14:S1550-4131(26)00151-8. PMID: 42140185 -
Cancer Commun (Lond)
Targeting SPHK1 in macrophages remodels the tumor microenvironment and enhances anti-PD-1 immunotherapy efficacy in colorectal cancer liver metastasis. [Abstract]2025 Jul 16. PMID: 40665874
W146 TFA purchased from MedChemExpress. Usage Cited in: Cancer Commun (Lond). 2025 Jul 16. [Abstract]
BMDM-derived TAMs were either pretreated with 10 μmol/L S1P or left untreated for 12 h, followed by the treatment with 5 μmol/L of inhibitors targeting S1PR1 (W146), S1PR2 (JET013), S1PR3 (TY52156) or S1PR4 (CYM50358) for 24 h. qPCR analysis of NLRP3, and IL-1β in TAMs was performed.
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Nat Cell Biol
Sphingosine-1-phosphate signalling activates E-Syt1 to facilitate HDL-derived cholesterol transport. [Abstract]2025 Jun;27(6):918-930. PMID: 40437229
W146 TFA purchased from MedChemExpress. Usage Cited in: Nat Cell Biol. 2025 Jun;27(6):918-930. [Abstract]
Differential roles of S1P receptors in HDL-induced calcium signaling. GCaMP6f responses in H295R cells pretreated with DMSO, the S1PR3 antagonist TY-52156 (0.5 μM), or the S1PR1 antagonist W146 (0.5 μM) prior to HDL stimulation.
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Autophagy
Mitophagy-mediated S1P facilitates muscle adaptive responses to endurance exercise through SPHK1-S1PR1/S1PR2 in slow-twitch myofibers. [Abstract]2025 Apr 3. PMID: 40181214 -
J Nutr Biochem
Calorie restriction mimetic, resveratrol, attenuates hepatic ischemia and reperfusion injury through enhancing efferocytosis of macrophages via AMPK/STAT3/S1PR1 pathway. [Abstract]2024 Apr:126:109587. PMID: 38262562
W146 TFA purchased from MedChemExpress. Usage Cited in: J Nutr Biochem. 2024 Apr:126:109587. [Abstract]
Western blot analysis was used to determine the expression levels of S1PR1 protein in RAW264.7 cell lysates, with GAPDH serving as an internal control. Cells were treated with the S1PR1 inhibitor W146 (10 µM) or a vehicle control (Veh) 2 hours prior to RSV exposure, followed by incubation with RSV (5 mM) for 24 hours.
W146 TFA purchased from MedChemExpress. Usage Cited in: J Nutr Biochem. 2024 Apr:126:109587. [Abstract]
Representative liver histopathology images (H&E staining). Scale bar: 50 µm. Sham-operated (Ctrl) or IR-treated (I/R) mice were intraperitoneally injected with vehicle control (Veh), RSV or RSV+W146 (W146 was intraperitoneally administered at 5 mg/kg 0.5 h before surgery).
W146 TFA purchased from MedChemExpress. Usage Cited in: J Nutr Biochem. 2024 Apr:126:109587. [Abstract]
Representative fluorescent images of F4/80 labelled (green) RAW264.7 cells with engulfed apoptotic jurkat cells stained with PI (red). Nuclei of RAW264.7 cells were counterstained with DAPI (blue). Scale bar: 10 µm. Cells were treated with W146 (10 µM 2 h before RSV use) or vehicle control (Veh), RSV was added accordingly.
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iScience
Broad and diverse roles of sphingosine-1-phosphate/sphingosine-1-phosphate receptors in the prostate. [Abstract]2024 Oct 30;27(12):111290. PMID: 39618500 -
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Lösungsmittel & Löslichkeit
DMSO : 20 mg/mL (43.82 mM; ultrasonic and adjust pH to 3 with 1 M HCl; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Ethanol : < 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 (sealed storage, away from moisture and light). 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 (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
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 mg/mL (4.38 mM); Clear solution
This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 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 mg/mL (4.38 mM); Clear solution
This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 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 (sealed storage, away from moisture and light)
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.
Reinheit & Dokumentation
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Data Sheet (275 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)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
Verweise
[1]. M Germana Sanna, et al. Enhancement of capillary leakage and restoration of lymphocyte egress by a chiral S1P1 antagonist in vivo. Nat Chem Biol. 2006 Aug;2(8):434-41. Epub 2006 Jul 9. [Content Brief]
[2]. Jingjing Liu, et al. 3-amino-4-(3-hexylphenylamino)-4-oxobutyl phosphonic acid (W146), a Selective Antagonist of Sphingosine-1-phospahte Receptor Subtype 1, Enhances AMD3100-stimulated Mobilization of Hematopoietic Stem Progenitor Cells in Animals. J Biochem Pharmacol Res. 2013 Dec; 1(4): 197–203. [Content Brief]
[3]. Hang Wang, et al. Sphingosine-1-phosphate promotes the proliferation and attenuates apoptosis of Endothelial progenitor cells via S1PR1/S1PR3/PI3K/Akt pathway. Cell Biol Int. 2018 May 23. [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 (sealed storage, away from moisture and light). 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 |
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| DMSO | 1 mM | 2.1911 mL | 10.9555 mL | 21.9111 mL | 54.7777 mL |
| 5 mM | 0.4382 mL | 2.1911 mL | 4.3822 mL | 10.9555 mL | |
| 10 mM | 0.2191 mL | 1.0956 mL | 2.1911 mL | 5.4778 mL | |
| 15 mM | 0.1461 mL | 0.7304 mL | 1.4607 mL | 3.6518 mL | |
| 20 mM | 0.1096 mL | 0.5478 mL | 1.0956 mL | 2.7389 mL | |
| 25 mM | 0.0876 mL | 0.4382 mL | 0.8764 mL | 2.1911 mL | |
| 30 mM | 0.0730 mL | 0.3652 mL | 0.7304 mL | 1.8259 mL | |
| 40 mM | 0.0548 mL | 0.2739 mL | 0.5478 mL | 1.3694 mL |
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