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  2. Vasonatrin Peptide VNP

Vasonatrin Peptide VNP 

Cat. No.: HY-P1556
Handling Instructions

Vasonatrin peptide (VNP) is a chimera of atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP) with potent venodilating and natriuretic activity.

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

Custom Peptide Synthesis

Vasonatrin Peptide VNP Chemical Structure

Vasonatrin Peptide VNP Chemical Structure

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500 μg USD 200 Get quote
1 mg USD 360 Get quote
5 mg USD 990 Get quote

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Top Publications Citing Use of Products
  • Biological Activity

  • Protocol

  • Technical Information

  • Purity & Documentation

  • References

Description

Vasonatrin peptide (VNP) is a chimera of atrial natriuretic peptide (ANP) and C-type natriuretic peptide (CNP) with potent venodilating and natriuretic activity.

IC50 & Target

Natriuretic peptide receptors[1]

In Vitro

Vasonatrin peptide binds with both natriuretic peptide receptor A and B, but with a preference for B. VNP-stimulated cGMP is 11-fold greater in NPRB than NPRA[1].

In Vivo

The high-fat diet-fed streptozotocin-induced diabetic Sprague-Dawley rats are subjected to ischemia-reperfusion operation. VNP treatment (100 g/kg iv, 10 min before reperfusion) significantly improved the instantaneous first derivation of left ventricle pressure (LV dP/dtmax) and LV systolic pressure and reduced LV end-diastolic pressure, apoptosis index, caspase-3 activity, plasma creatine kinase (CK), and lactate dehydrogenase (LDH) activities[2]. Treatment hypoxia-induced pulmonary hypertension (HPH) with Vasonatrin peptide for 1 week significantly reduceS mean pulmonary arterial pressure, pulmonary vascular resistance, RVH and muscularization of the pulmonary arteries. Acute intravenous administration of 50 microg/kg Vasonatrin peptide significantly ameliorates pulmonary haemodynamics in HPH rats[3].

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
References
Cell Assay

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

Animal Administration
[1]

Rats[2]

The hypoxia-induced pulmonary hypertension (HPH) model is developed by subjecting rats to hypobaric hypoxia. The HPH rats are then treated with either VNP (50 lg/kg per day, i.p.) or saline (0.5 mL, i.p.) every day for 7 days. Haemodynamic indices, right ventricular hypertrophy (RVH) and remodelling of the pulmonary arteries are evaluated. In addition, plasma levels of atrial natriuretic peptide (ANP), endothelin (ET)-1 and angiotensin II (AngII) are determined, as is natriuretic peptide receptor-C (NPR-C) mRNA expression in the right ventricle[2].

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

References
Molecular Weight

2865.37

Formula

C₁₂₃H₁₉₈N₃₆O₃₆S₃

Sequence

Gly-Leu-Ser-Lys-Gly-Cys-Phe-Gly-Leu-Lys-Leu-Asp-Arg-Ile-Gly-Ser-Met-Ser-Gly-Leu-Gly-Cys-Asn-Ser-Phe-Arg-Tyr (Disulfide bridge: Cys6-Cys22)

Sequence Shortening

GLSKGCFGLKLDRIGSMSGLGCNSFRY (Disulfide bridge: Cys6-Cys22)

Shipping

Room temperature in continental US; may vary elsewhere

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

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

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

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Product Name:
Vasonatrin Peptide VNP
Cat. No.:
HY-P1556
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Vasonatrin Peptide VNP

Cat. No.: HY-P1556