Kurarinone
Based on 5 publication(s) in Google Scholar
Kurarinone is an orally active flavonoid isolated from matrine that inhibits the pathogenesis of experimental autoimmune encephalomyelitis by inhibiting cell differentiation of Th1 and Th17. Kurarinone has antitumor and anti-inflammatory activity.
For research use only. We do not sell to patients.
- Purity: 99.47%
- CAS No.: 34981-26-5
- Formula: C26H30O6
- Molecular Weight:438.51
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Storage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from 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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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) Kurarinone
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Customer Validation & Images
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Cell Proliferation/Viability Assay
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IF
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RT-PCR
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WB
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Flow Cytometry
Biological Activity
Kurarinone (50 μM，6 h) activates ATF4 via the PERK-eIF2α signaling pathway and exerts cytostatic effects on cancer cells[1].
Ergothioneine (0.25，1 mM，23 h) can regulate PC12 DNA damage，MAPKs activation and cell death induced by hydrogen peroxide[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:PC3
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Concentration:10, 20, 50 μM
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Incubation Time:48 h
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Result:Suppressed the proliferation of PC3 cells in a dose-dependent manner.
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Cell Line:PC3, HeLa, TIG1
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Concentration:50 μM
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Incubation Time:6 h
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Result:Upregulated the expression of TRB3 and ATF4 proteins.
Induced PERK phosphorylation and p21 protein expression.
Reduced the expression of cyclin D1 and cyclin A.
? Kurarinone (100 mg/kg，p.o.，from day 21-42) has a therapeutic effect in a mouse model of collagen-induced arthritis (CIA)[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:CIA Mouse Model[3]
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Dosage:100 mg/kg
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Administration:p.o.
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Result:Reduced the levels of proinflammatory cytokines, TNF-α, IL-6, IFN-γ, and IL-17A.
Reduced STAT1 and STAT3 phosphorylation and the proportions of Th1 and Th17 cells in lymph nodes.
Chemical Information
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CAS No. 34981-26-5
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Appearance Solid
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Molecular Weight 438.51
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Formula C26H30O6
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Color Yellow to orange
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SMILES
O=C1C[C@@H](C2=CC=C(O)C=C2O)OC3=C(C[C@H](C(C)=C)C/C=C(C)\C)C(O)=CC(OC)=C13
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Structure Classification
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Initial Source
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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 (5)
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Journal Impact Factor
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Most Recent
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J Adv Res
Kurarinone regulates Th17/Treg balance and ameliorates autoimmune uveitis via Rac1 inhibition. [Abstract]2024 Mar 22:S2090-1232(24)00113-9. PMID: 38522752 -
Food Chem
Effects of sun drying combined with baking processes on the flavor quality of Chongqing Tuocha raw tea. [Abstract]2025 Dec 30:497:146992. PMID: 41285060 -
Food Chem
Flavonoid-mediated metabolic underpinning quality variation in red bud-sport pear mutants. [Abstract]2025 Oct 15:489:144992. PMID: 40466530 -
Inflammation
Kurarinone Mitigates LPS-Induced Inflammatory Osteolysis by Inhibiting Osteoclastogenesis Through the Reduction of ROS Levels and Suppression of the PI3K/AKT Signaling Pathway. [Abstract]2025 Jan 27. PMID: 39871069
Kurarinone purchased from MedChemExpress. Usage Cited in: Inflammation. 2025 Jan 27. [Abstract]
BMMs were treated with Kurarinone (KR) (0, 2.5, 5, 10, 15, 20, 30, 60 μM) at varying concentrations for 48 h. Subsequently, the cell viability was evaluated using the CCK-8 assay.
Kurarinone purchased from MedChemExpress. Usage Cited in: Inflammation. 2025 Jan 27. [Abstract]
Fluorescence microscopy images illustrate the characteristic structures of F-actin, stained with phalloidin, highlighting the presence of F-actin rings (green) alongside nuclei (blue) treated with Kurarinone (KR) (10, 20 μM).
Kurarinone purchased from MedChemExpress. Usage Cited in: Inflammation. 2025 Jan 27. [Abstract]
Quantitative PCR (qPCR) analysis revealed that the expression levels of specific osteoclast markers were diminished following treatment with varying concentrations of Kurarinone (KR) (0, 5, 10, 20 μM), in contrast to the positive control group.
Kurarinone purchased from MedChemExpress. Usage Cited in: Inflammation. 2025 Jan 27. [Abstract]
Protein Bands of Key Osteoclast Markers treated with Kurarinone (KR) (0, 5, 10, 20 μM).
Kurarinone purchased from MedChemExpress. Usage Cited in: Inflammation. 2025 Jan 27. [Abstract]
Detection of ROS levels via flow cytometry treated with Kurarinone (KR) (0, 10, 20 μM).
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Environ Toxicol
Kurarinone attenuates hydrogen peroxide-induced oxidative stress and apoptosis through activating the PI3K/Akt signaling by upregulating IGF1 expression in human ovarian granulosa cells. [Abstract]2023 Jan;38(1):28-38. PMID: 36114797
Solvent & Solubility
DMSO : 50 mg/mL (114.02 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 (5.70 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 (5.70 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.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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: 20% HP-β-CD in Saline
Solubility: 10 mg/mL (22.80 mM); Clear solution; Need ultrasonic and warming and heat to 60°C
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 (280 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]. Xie L, et al. The flavonoid kurarinone inhibits clinical progression of EAE through inhibiting Th1 and Th17 cell differentiation and proliferation. Int Immunopharmacol. 2018 Sep;62:227-236. [Content Brief]
[2]. Nishikawa S, et al. Kurarinone from Sophora Flavescens Roots Triggers ATF4 Activation and Cytostatic Effects Through PERK Phosphorylation. Molecules. 2019 Aug 27;24(17):3110. [Content Brief]
[3]. Tang KT, et al. Kurarinone Attenuates Collagen-Induced Arthritis in Mice by Inhibiting Th1/Th17 Cell Responses and Oxidative Stress. Int J Mol Sci. 2021 Apr 13;22(8):4002. [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 | 2.2804 mL | 11.4022 mL | 22.8045 mL | 57.0112 mL |
| 5 mM | 0.4561 mL | 2.2804 mL | 4.5609 mL | 11.4022 mL | |
| 10 mM | 0.2280 mL | 1.1402 mL | 2.2804 mL | 5.7011 mL | |
| 15 mM | 0.1520 mL | 0.7601 mL | 1.5203 mL | 3.8007 mL | |
| 20 mM | 0.1140 mL | 0.5701 mL | 1.1402 mL | 2.8506 mL | |
| 25 mM | 0.0912 mL | 0.4561 mL | 0.9122 mL | 2.2804 mL | |
| 30 mM | 0.0760 mL | 0.3801 mL | 0.7601 mL | 1.9004 mL | |
| 40 mM | 0.0570 mL | 0.2851 mL | 0.5701 mL | 1.4253 mL | |
| 50 mM | 0.0456 mL | 0.2280 mL | 0.4561 mL | 1.1402 mL | |
| 60 mM | 0.0380 mL | 0.1900 mL | 0.3801 mL | 0.9502 mL | |
| 80 mM | 0.0285 mL | 0.1425 mL | 0.2851 mL | 0.7126 mL | |
| 100 mM | 0.0228 mL | 0.1140 mL | 0.2280 mL | 0.5701 mL |
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