OR-1855
Based on 1 publication(s) in Google Scholar
OR-1855, an active metabolite of Levosimendan (HY-14286), has effect on myometrial contractility. OR-1855 exerts anti-inflammatory effects by inhibiting IL-1β-induced ROS formation and NAD(P)H oxidase-dependent superoxide radical generation in HUVECs. OR-1855 inhibits IL-1β-induced phosphorylation p38 MAPK, ERK1/2, c-Jun and JNK in HUVECs. OR-1855 can be used for the study of inflammation.
For research use only. We do not sell to patients.
- Purity: 98.31%
- CAS No.: 101328-85-2
- Formula: C11H13N3O
- Molecular Weight:203.25
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Storage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) OR-1855
More
Biological Activity
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HeLa | EC50 |
>1000 nM
Compound: 1
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Cytotoxicity against human HeLa cells assessed as cell growth inhibition measured after 48 hrs by Caspase-Glo reagent based assay
Cytotoxicity against human HeLa cells assessed as cell growth inhibition measured after 48 hrs by Caspase-Glo reagent based assay
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[PMID: 31749907] |
OR-1855 (10 μM, 30 min pretreatment) can significantly inhibit IL-1β-induced ROS production in HUVECs and can reduce IL-1β-induced NAD(P)H oxidase-dependent superoxide anion production[3].
OR-1855 (10 μM, 30 min pretreatment) can significantly inhibit IL-1β-induced phosphorylation p38 MAPK, ERK1/2, and JNK in HUVECs, and simultaneously reduce the phosphorylation level of c-Jun[3].
OR-1855 (10 μM, 30 min pretreatment) has no significant effect on the expression of intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) induced by IL-1β, nor does it reduce IL-1β-induced interleukin-6 (IL-6) mRNA expression, which is different from the anti-inflammatory effect of levosimendan[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:HUVECs
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Concentration:10 μM
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Incubation Time:30 min pretreatment
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Result:Inhibiteed IL-1β-induced phosphorylation p38 MAPK, ERK1/2, and JNK in HUVECs.
Reduced the phosphorylation level of c-Jun.
Chemical Information
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CAS No. 101328-85-2
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Appearance Solid
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Molecular Weight 203.25
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Formula C11H13N3O
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Color Off-white to light brown
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SMILES
O=C1C[C@@H](C)C(C2=CC=C(N)C=C2)=NN1
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Publications (1)
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Journal Impact Factor
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Most Recent
Solvent & Solubility
DMSO : 100 mg/mL (492.00 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 (protect from 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 (protect from light). 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 (12.30 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 (12.30 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)
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.
Purity & Documentation
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Data Sheet (275 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)
References
[1]. Banfor PN, et al. Comparative effects of levosimendan, OR-1896, OR-1855, dobutamine, and milrinone on vascular resistance, indexes of cardiac function, and O2 consumption in dogs. Am J Physiol Heart Circ Physiol. 2008 Jan;294(1):H238-48. [Content Brief]
[3]. Kipka H, et al. The Effects of the Levosimendan Metabolites OR-1855 and OR-1896 on Endothelial Pro-Inflammatory Responses. Biomedicines. 2023 Mar 16;11(3):918. [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). 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 | 4.9200 mL | 24.6002 mL | 49.2005 mL | 123.0012 mL |
| 5 mM | 0.9840 mL | 4.9200 mL | 9.8401 mL | 24.6002 mL | |
| 10 mM | 0.4920 mL | 2.4600 mL | 4.9200 mL | 12.3001 mL | |
| 15 mM | 0.3280 mL | 1.6400 mL | 3.2800 mL | 8.2001 mL | |
| 20 mM | 0.2460 mL | 1.2300 mL | 2.4600 mL | 6.1501 mL | |
| 25 mM | 0.1968 mL | 0.9840 mL | 1.9680 mL | 4.9200 mL | |
| 30 mM | 0.1640 mL | 0.8200 mL | 1.6400 mL | 4.1000 mL | |
| 40 mM | 0.1230 mL | 0.6150 mL | 1.2300 mL | 3.0750 mL | |
| 50 mM | 0.0984 mL | 0.4920 mL | 0.9840 mL | 2.4600 mL | |
| 60 mM | 0.0820 mL | 0.4100 mL | 0.8200 mL | 2.0500 mL | |
| 80 mM | 0.0615 mL | 0.3075 mL | 0.6150 mL | 1.5375 mL | |
| 100 mM | 0.0492 mL | 0.2460 mL | 0.4920 mL | 1.2300 mL |
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