2. GPCR/G Protein
  3. Apelin Receptor (APJ)
  4. Apelin-13 TFA

Apelin-13 TFA is an endogenous ligand for the G-protein coupled receptor angiotensin II protein J (APJ), activating this G protein-coupled receptor with an EC 50 value of 0.37 nM. Apelin-13 TFA has vasodilatory and antihypertensive effects. Apelin-13 TFA also can be used for researching type 2 diabetes and metabolic syndrome.

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

Custom Peptide Synthesis

Apelin-13 TFA Chemical Structure

Apelin-13 TFA Chemical Structure

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1 mg USD 55 In-stock
5 mg USD 165 In-stock
10 mg USD 280 In-stock
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Based on 5 publication(s) in Google Scholar

Other Forms of Apelin-13 TFA:

Apelin-13 TFA Related Antibodies

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Description

Apelin-13 TFA is an endogenous ligand for the G-protein coupled receptor angiotensin II protein J (APJ), activating this G protein-coupled receptor with an EC 50 value of 0.37 nM. Apelin-13 TFA has vasodilatory and antihypertensive effects. Apelin-13 TFA also can be used for researching type 2 diabetes and metabolic syndrome[1][2][3].

IC50 & Target

IC50: 0.37 nM (APJ)[1]
In Vivo

Apelin-13 (200 μg/kg; IP, daily for 4 weeks) improves cardiac function, improves insulin resistance, improves lipid metabolism, significantly decreases TNF-α and leptin on serum,? induces the expression of Apelin-12 in serum and markedly elevates GLUT4 and p-AMPKα2 levels[2].
? Apelin-13 (10 and 100 μM; ICV, single dosage) increases the spontaneous discharges in the majority of pallidal neurons[4].

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

Animal Model: Goto-Kakizaki (GK) rats (12 weeks old; 240-280 g; fed with a high-fat diet: 66.5% standard chow, 10% lard, 20% sucrose, 2.5% cholesterol and 1% pig bile salt)[2]
Dosage: 200 µg/kg
Administration: IP, daily for 4 weeks
Result: Significantly decreased heart rate; lowered the levels of fasting plasma glucose (FPG), fasting insulin (FINS) and homeostasis model assessment for insulin resistancey (HOMA-IR); decreased serum levels of total cholesterol (TC), triglyceride (TG) and low density lipoprotein-cholesterol (LDL-C) and increased high density lipoprotein-cholesterol (HDL-C); decreased NO level, cNOS activity, TNF-α and leptin in serum; induced the expression of Apelin-12.
Animal Model: Adult Wistar rats (SPF, 8-10 weeks, 240-280 g)[4]
Dosage: 10 and 100 μM
Administration: ICV, single dosage
Result: Increased the spontaneous discharges in the majority of pallidal neurons.
Clinical Trial
Molecular Weight

1664.85

Formula

C71H112F3N23O18S
Appearance

Solid

Color

White to off-white

Sequence

Gln-Arg-Pro-Arg-Leu-Ser-His-Lys-Gly-Pro-Met-Pro-Phe
Sequence Shortening

QRPRLSHKGPMPF
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

H2O : 50 mg/mL (30.03 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 0.6007 mL 3.0033 mL 6.0065 mL
5 mM 0.1201 mL 0.6007 mL 1.2013 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 (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

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.

  • Protocol 1

    Add each solvent one by one:  PBS

    Solubility: 100 mg/mL (60.07 mM); Clear solution; Need ultrasonic

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

Dosage

mg/kg

Animal weight
(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.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
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).
Purity & Documentation

Purity: 99.53%

COA (254 KB) LCMS (95 KB) Elemental Analysis Report (112 KB)

Handling Instructions (2659 KB)
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 (sealed storage, away from moisture). 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
H2O 1 mM 0.6007 mL 3.0033 mL 6.0065 mL 15.0164 mL
5 mM 0.1201 mL 0.6007 mL 1.2013 mL 3.0033 mL
10 mM 0.0601 mL 0.3003 mL 0.6007 mL 1.5016 mL
15 mM 0.0400 mL 0.2002 mL 0.4004 mL 1.0011 mL
20 mM 0.0300 mL 0.1502 mL 0.3003 mL 0.7508 mL
25 mM 0.0240 mL 0.1201 mL 0.2403 mL 0.6007 mL
30 mM 0.0200 mL 0.1001 mL 0.2002 mL 0.5005 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Apelin-13 TFA 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:

Apelin-13Apelin13Apelin 13Apelin Receptor (APJ)APJnervous systemsvasodilatoryantihypertensivediabetesmetabolic syndromeinsulin resistancelipidpallidal neuronsGoto-Kakizaki ratWistar ratInhibitorinhibitorinhibit

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