2. Metabolic Enzyme/Protease Vitamin D Related/Nuclear Receptor Cell Cycle/DNA Damage
  3. Endogenous Metabolite PPAR
  4. Oleoylethanolamide

Oleoylethanolamide  (Synonyms: N-Oleoylethanolamide; Oleamide MEA; Oleic acid monoethanolamide)

Cat. No.: HY-107542 Purity: 99.94%
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Oleoylethanolamide is a high affinity endogenous PPAR-α agonist, which plays an important role in the treatment of obesity and arteriosclerosis.

For research use only. We do not sell to patients.

Oleoylethanolamide Chemical Structure

Oleoylethanolamide Chemical Structure

CAS No. : 111-58-0

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10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

Other Forms of Oleoylethanolamide:

Oleoylethanolamide Related Antibodies

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  • Purity & Documentation

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Description

Oleoylethanolamide is a high affinity endogenous PPAR-α agonist, which plays an important role in the treatment of obesity and arteriosclerosis.

IC50 & Target

Human Endogenous Metabolite

 

PPAR-α

 

In Vitro

Oleoylethanolamide (OEA), an endogenous PPAR-α ligand, attenuates liver fibrosis targeting hepatic stellate cells. Oleoylethanolamide suppresses TGF-β1 induced hepatic stellate cells (HSCs) activation in vitro via PPAR-α. To assess the impact of Oleoylethanolamide on HSCs activation, the expression levels of α-SMA and Col1a in TGF-β1-stimulated HSCs are examined by qPCR. The mRNA levels of α-SMA and Col1a are markedly induced in the group of CFSC cells with TGF-β1 (5 ng/mL) stimulation for 48h, while the mRNA levels are suppressed when treated with Oleoylethanolamide in a dose-dependent manner. Immunofluorescence and western blot results show that Oleoylethanolamide treatment dose-dependently inhibits the protein expression of α-SMA, the marker of HSC activation. The inhibitory effects of Oleoylethanolamide on HSCs activation are completely blocked by PPAR-α antagonist MK886 (10 μM). Moreover, the mRNA and protein expression levels of PPAR-α are down-regulated with TGF-β1 stimulation, while Oleoylethanolamide treatment restores these changes in dose-dependent manner. In addition, the phosphorylation of Smad 2/3 is upregulated in the presence of TGF-β1 stimulation, consistent with the observed effects on HSC activation, while Oleoylethanolamide (10 μM) reduces the phosphorylation of Smad2/3 in CFSC simulated with TGF-β1[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Oleoylethanolamide Related Antibodies
In Vivo

Oleoylethanolamide (OEA) can significantly suppress the pro-fibrotic cytokine TGF-β1 negatively regulate genes in the TGF-β1 signaling pathway (α-SMA, collagen 1a, and collagen 3a) in mice models of hepatic fibrosis. Treatment with Oleoylethanolamide (5 mg/kg/day, intraperitoneal injection, i.p.) significantly attenuates the progress of liver fibrosis in both two experimental animal models by blocking the activation of hepatic stellate cells (HSCs)[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial
Molecular Weight

325.53

Formula

C20H39NO2
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

CCCCCCCC/C=C\CCCCCCCC(NCCO)=O
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 20.83 mg/mL (63.99 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.0719 mL 15.3596 mL 30.7191 mL
5 mM 0.6144 mL 3.0719 mL 6.1438 mL
View the 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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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Volume (start)

V1

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Concentration (final)

C2

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Volume (final)

V2

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.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (6.39 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.08 mg/mL (6.39 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

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(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
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%
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%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
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

Purity: 99.94%

COA (238 KB) HNMR (291 KB) LCMS (258 KB)

Handling Instructions (2659 KB)
References
Cell Assay
[1]

CFSC, HSC cell lines are first obtained from cirrhotic rat liver, and have a similar phenotype to that of early passage primary HSCs. CFSC cells are cultured in Dulbecco's modified Eagle's medium (DMEM) supplemented with 10% fetal bovine serum (FBS) and 1% penicillin/streptomycin. All cells are cultured in 6-well culture plates under 37°C and 5% CO2 in an incubator. The medium is replaced every two days, and the cells are harvested and diluted at a ratio of 1:3 twice a week. In experiments, HSCs are pretreated with the experimental concentration of Oleoylethanolamide (30 μM, 10 μM, 3 μM) before stimulation with 5 ng/mL TGF-β1. mRNA expression levels of α-SMA (A) and Col1a (B) are analyzed by real-time PCR[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

Mice[1]
The Sv/129 mice and PPAR-α knockout mice are maintained in a room with controlled temperature (21-23°C), humidity (55-60%) and lighting (12 h light/dark cycles) and given water ad libitum. Mice are randomly divided for methionine choline-deficient (MCD) and thioacetamide (TAA) experiments. In the MCD-diet feeding experiment, wild-type Sv/129 mice and PPAR-α knockout mice are each divided into three groups (n=8 /group): (i) control group receive normal diet; (ii) fed with MCD diet and injected with the vehicle (5% Tween-80+5% PEG400+90% saline, 5 mL/kg/day, 8 weeks, intraperitoneal injection, i.p.); (iii) fed with MCD diet along with Oleoylethanolamide administration (5 mg/kg/day; 8 weeks, i.p.). In another set of experiment, all the wild-type mice and PPAR-α knockout mice are given standard chow diet, and are randomly separated into three groups: the control group is not administrated TAA or Oleoylethanolamide but is injected with the saline; the TAA group is injected with TAA (160 mg/kg, three times per week, 6 weeks, dissolved in saline, i.p.) plus the corresponding vehicle; the Oleoylethanolamide group is both injected with TAA and Oleoylethanolamide (5 mg/kg/day; 6 weeks, i.p.)[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
References

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. 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 3.0719 mL 15.3596 mL 30.7191 mL 76.7978 mL
5 mM 0.6144 mL 3.0719 mL 6.1438 mL 15.3596 mL
10 mM 0.3072 mL 1.5360 mL 3.0719 mL 7.6798 mL
15 mM 0.2048 mL 1.0240 mL 2.0479 mL 5.1199 mL
20 mM 0.1536 mL 0.7680 mL 1.5360 mL 3.8399 mL
25 mM 0.1229 mL 0.6144 mL 1.2288 mL 3.0719 mL
30 mM 0.1024 mL 0.5120 mL 1.0240 mL 2.5599 mL
40 mM 0.0768 mL 0.3840 mL 0.7680 mL 1.9199 mL
50 mM 0.0614 mL 0.3072 mL 0.6144 mL 1.5360 mL
60 mM 0.0512 mL 0.2560 mL 0.5120 mL 1.2800 mL
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Oleoylethanolamide Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Oleoylethanolamide111-58-0N-Oleoylethanolamide Oleamide MEA Oleic acid monoethanolamideEndogenous MetabolitePPARPeroxisome proliferator-activated receptorsInhibitorinhibitorinhibit

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