LY255283
Based on 3 publication(s) in Google Scholar
LY255283 is a LTB4 receptor (BLT2) antagonist, with an IC50 of ~100 nM for [3H]LTB4 binding to guinea pig lung membranes.
Nur für Forschungszwecke. Wir verkaufen nicht an Patienten.
- Reinheit: 98.04%
- CAS. Nr.: 117690-79-6
- Formel: C19H28N4O3
- Molecular Weight:360.45
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Speicherung:
-20°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
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Publications Citing Use of MedChemExpress (MCE) LY255283
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Biologische Aktivität
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LTB4 ~100 nM (IC50, LTB4 binds to guinea pig lung membranes) |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CHO-K1 | IC50 |
150 nM
Compound: LY255283
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Displacement of [3H]LTB4 from HA-epitope tagged human BLT2 expressed in CHOK1 cells incubated for 60 mins by liquid scintillation counting method
Displacement of [3H]LTB4 from HA-epitope tagged human BLT2 expressed in CHOK1 cells incubated for 60 mins by liquid scintillation counting method
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[PMID: 32832019] |
LY255283 competitively reduces conlractilc responses of lung parcnchyma to LTB, (pA2 = 7.2)[2].
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LY255283 (10 μM, 7 days) significantly suppresses the invasiveness of highly aggressive 253 J-BV bladder cancer cells[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:253 J-BV cells.
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Concentration:5 or 10 μM.
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Incubation Time:7 days.
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Result:Inhibition of BLT2 signaling attenuates aggressive migration by 253 J-BV cells.
? LY255283 (2.5 mg/kg, ip) inhibits transitional cell carcinoma metastasis in mice models. The result suggests that a BLT2–Nox–ROS–NF–κB cascade plays a critical role in bladder cancer invasion and metastasis[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Mice (253 J-BV cells injected)[4].
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Dosage:2.5 mg/kg.
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Administration:IP injected 3 and 5 days after injection of cells.
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Result:By 12 weeks after injection, in mice treated with LY255283 only 0-3 nodules formed per lung, and histological analysis confirmed that the number of micrometastatic lesions was markedly reduced.
Chemical Information
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CAS. Nr. 117690-79-6
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Appearance Solid
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Molecular Weight 360.45
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Formel C19H28N4O3
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Color Off-white to light yellow
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SMILES
CC(C1=CC(CC)=C(OCCCCCC(C2=NNN=N2)(C)C)C=C1O)=O
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
-20°C, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)
Publications (3)
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Journal Impact Factor
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Most Recent
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Cell Rep Med
LTA4H improves the tumor microenvironment and prevents HCC progression via targeting the HNRNPA1/LTBP1/TGF-β axis. [Abstract]2025 Mar 18;6(3):102000. PMID: 40056904 -
J Med Chem
Development and Characterization of a Fluorescent Ligand for Leukotriene B4 Receptor 2 in Cells and Tissues. [Abstract]2022 Feb 10;65(3):2023-2034. PMID: 34995452 -
Immunol Invest
Resolvin E1 and Inhibition of BLT2 Signaling Attenuate the Inflammatory Response and Improve One-Lung Ventilation-Induced Lung Injury. [Abstract]2024 Nov;53(8):1293-1307. PMID: 39230105
Lösungsmittel & Löslichkeit
DMSO : 100 mg/mL (277.43 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, 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.
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: 2.5 mg/mL (6.94 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (6.94 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 (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.
Reinheit & Dokumentation
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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)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
Verweise
[1]. R M Schultz, et al. Effects of two leukotriene B4 (LTB4) receptor antagonists (LY255283 and SC-41930) on LTB4-induced human neutrophil adhesion and superoxide production. Prostaglandins Leukot Essent Fatty Acids. 1991 Aug;43(4):267-71. [Content Brief]
[2]. S A Silbaugh, et al. Pulmonary actions of LY255283, a leukotriene B4 receptor antagonist. Eur J Pharmacol. 1992 Nov 13;223(1):57-64. [Content Brief]
[3]. P S Wollert, et al. LY255283, a novel leukotriene B4 receptor antagonist, limits activation of neutrophils and prevents acute lung injury induced by endotoxin in pigs. Surgery. 1993 Aug;114(2):191-8. [Content Brief]
[4]. Eun-Young Kim, et al. BLT2 promotes the invasion and metastasis of aggressive bladder cancer cells through a reactive oxygen species-linked pathway. Free Radic Biol Med. 2010 Sep 15;49(6):1072-81. [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 (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 | 2.7743 mL | 13.8715 mL | 27.7431 mL | 69.3576 mL |
| 5 mM | 0.5549 mL | 2.7743 mL | 5.5486 mL | 13.8715 mL | |
| 10 mM | 0.2774 mL | 1.3872 mL | 2.7743 mL | 6.9358 mL | |
| 15 mM | 0.1850 mL | 0.9248 mL | 1.8495 mL | 4.6238 mL | |
| 20 mM | 0.1387 mL | 0.6936 mL | 1.3872 mL | 3.4679 mL | |
| 25 mM | 0.1110 mL | 0.5549 mL | 1.1097 mL | 2.7743 mL | |
| 30 mM | 0.0925 mL | 0.4624 mL | 0.9248 mL | 2.3119 mL | |
| 40 mM | 0.0694 mL | 0.3468 mL | 0.6936 mL | 1.7339 mL | |
| 50 mM | 0.0555 mL | 0.2774 mL | 0.5549 mL | 1.3872 mL | |
| 60 mM | 0.0462 mL | 0.2312 mL | 0.4624 mL | 1.1560 mL | |
| 80 mM | 0.0347 mL | 0.1734 mL | 0.3468 mL | 0.8670 mL | |
| 100 mM | 0.0277 mL | 0.1387 mL | 0.2774 mL | 0.6936 mL |
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