Oxaceprol
Based on 1 publication(s) in Google Scholar
Oxaceprol (N-Acetyl-L-hydroxyproline), an orally active derivative of L-proline, possesses distinct anti-inflammatory activity. Oxaceprol is usually used for the research of osteoarthritis and rheumatoid arthritis.
For research use only. We do not sell to patients.
- Purity : 99.70%
- CAS No.: 33996-33-7
- Formula: C7H11NO4
- Molecular Weight:173.17
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
Publications Citing Use of MedChemExpress (MCE) Oxaceprol
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Biological Activity
Description
In Vivo
Oxaceprol (6–54 mg/kg/day) given therapeutically had no effect on the primary paw oedema response, but inhibits secondary lesions in the ears and tail[3].
Oxaceprol does not inhibit the synthesis of prostaglandins in vitro, but markedly inhibits neutrophil infiltration into the joints of rats with adjuvant arthritis[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male Sprague-Dawley rats[3].
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Dosage:18, 50 or 150 mg/kg.
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Administration:Gavage daily for 15 days.
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Result:Produced comparable inhibition of hyperalgesia to that produced by indomethacin.
Chemical Information
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CAS No. 33996-33-7
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Appearance Solid
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Molecular Weight 173.17
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Formula C7H11NO4
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Color White to off-white
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Synonyms
N-Acetyl-L-hydroxyproline
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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
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (1)
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Journal Impact Factor
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Most Recent
Solvent & Solubility
In Vitro:
DMSO : ≥ 100 mg/mL (577.47 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
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 (14.44 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 (14.44 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.
In Vivo Dissolution Calculator
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.
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.
Protocols
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Collagen-Induced Arthritis
Collagen-induced arthritis (CIA) is an autoimmune murine model of rheumatoid arthritis in which immunization with type II collagen (CII) emulsified in an adjuvant induces a T cell- and autoantibody-driven inflammatory arthritis characterized by synovial hyperplasia, immune cell infiltration, and joint destruction. The model typically relies on genetically susceptible mouse strains (e. g. , DBA/1) and reproduces key features of human rheumatoid arthritis, including anti-collagen immune responses and progressive joint inflammation. Disease onset generally occurs within ~3-4 weeks after immunization, depending on antigen/adjuvant combinations and protocol variation. The immunopathology is driven by adaptive immune activation against CII, leading to systemic and local joint inflammation mediated by pro-inflammatory cytokines and effector immune cells, making CIA a standard preclinical platform for evaluating immunomodulatory and anti-arthritic interventions.
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Cotton Pellet Granuloma
Cotton pellet granuloma is a classical in vivo chronic inflammation model used to evaluate the anti-inflammatory potential of test substances by measuring their ability to inhibit granuloma tissue formation around an implanted foreign body (cotton pellet) in rodents. The method is based on the biological response to a sterile implanted material, which induces proliferative phase inflammation characterized by fibroblast proliferation and collagen-rich granuloma formation, and the final readout reflects the extent of chronic inflammatory tissue growth surrounding the pellet. In multiple preclinical pharmacological evaluations, inhibition of cotton pellet-induced granuloma formation has been used as an indicator of anti-inflammatory activity in both synthetic and natural product screening contexts.
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Carrageenan-Induced Paw Edema
Carrageenan-induced paw edema is an acute inflammation model in which intraplantar injection of carrageenan induces localized inflammatory swelling characterized by vascular permeability, leukocyte infiltration, and production of inflammatory mediators such as prostaglandins and cytokines, making it widely used to evaluate anti-inflammatory agents in vivo. The resulting paw volume or thickness increase is quantified over time as a direct readout of inflammatory intensity and drug efficacy, typically reflecting cyclooxygenase-mediated prostaglandin-driven edema formation and immune cell recruitment in peripheral tissue[20].
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Research Protocol for Inflammation-related Diseases
The NLRP3 inflammasome is a cytosolic innate immune signaling platform that integrates priming signals and danger-signal activation to promote caspase-1 activation, maturation of IL-1β and IL-18, and gasdermin D-mediated pyroptotic cell death. The core experimental logic is to determine whether inflammatory disease phenotypes are driven by increased NLRP3 expression, ASC-containing inflammasome assembly, caspase-1 cleavage, GSDMD cleavage, and extracellular release of IL-1β/IL-18 rather than by nonspecific cell injury alone. The pathway is strongly linked to inflammation-related disease phenotypes because monosodium urate crystals activate NALP3/NLRP3 inflammasome signaling in gout-like crystal inflammation, cholesterol crystals activate NLRP3 inflammasomes in atherogenesis models, and DSS-induced intestinal inflammation has been reported to involve NLRP3 inflammasome activity. However, experimental colitis studies also show context-dependent protective effects of NLRP3 inflammasome co
Purity & Documentation
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Data Sheet (276 KB)
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SDS (476 KB)
- English - EN (476 KB)
- Français - FR (476 KB)
- Deutsch - DE (476 KB)
- Norwegian - NO (476 KB)
- Español - ES (476 KB)
- Swedish - SV (476 KB)
- Italian - IT (476 KB)
- Korean - KR (476 KB)
- Portuguese - PT (476 KB)
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Handling Instructions (2659 KB)
References
[1]. Ionac M et al. Oxaceprol, an atypical inhibitor of inflammation and joint damage. Pharmacol Res, 1996 Jun, 33(6):367-73. [Content Brief]
[2]. Harpreet Singh Pawar, et al. Comparative evaluation of therapeutic efficacy of intra-articular oxaceprol with conventional modalities in osteoarthritis animal model. Clin Rheumatol. 2018 Aug;37(8):2195-2201. [Content Brief]
[3]. M Ionac, et al. Oxaceprol, an atypical inhibitor of inflammation and joint damage. Pharmacol Res. 1996 Jun;33(6):367-73. [Content Brief]
[4]. M J Parnham, et al. Antirheumatic agents and leukocyte recruitment. New light on the mechanism of action of oxaceprol. Biochem Pharmacol. 1999 Jul 15;58(2):209-15. [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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 5.7747 mL | 28.8734 mL | 57.7467 mL | 144.3668 mL |
| 5 mM | 1.1549 mL | 5.7747 mL | 11.5493 mL | 28.8734 mL | |
| 10 mM | 0.5775 mL | 2.8873 mL | 5.7747 mL | 14.4367 mL | |
| 15 mM | 0.3850 mL | 1.9249 mL | 3.8498 mL | 9.6245 mL | |
| 20 mM | 0.2887 mL | 1.4437 mL | 2.8873 mL | 7.2183 mL | |
| 25 mM | 0.2310 mL | 1.1549 mL | 2.3099 mL | 5.7747 mL | |
| 30 mM | 0.1925 mL | 0.9624 mL | 1.9249 mL | 4.8122 mL | |
| 40 mM | 0.1444 mL | 0.7218 mL | 1.4437 mL | 3.6092 mL | |
| 50 mM | 0.1155 mL | 0.5775 mL | 1.1549 mL | 2.8873 mL | |
| 60 mM | 0.0962 mL | 0.4812 mL | 0.9624 mL | 2.4061 mL | |
| 80 mM | 0.0722 mL | 0.3609 mL | 0.7218 mL | 1.8046 mL | |
| 100 mM | 0.0577 mL | 0.2887 mL | 0.5775 mL | 1.4437 mL |