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BNP (1-32), humanBrain natriuretic peptide

BNP (1-32), human

Catalog No. A1105
Size Price Stock Qty
1mg $110.00 In stock
5mg $330.00 In stock
10mg $550.00 In stock
25mg $770.00 In stock

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Sample solution is provided at 25 µL, 10mM.

Quality Control

Quality Control & MSDS

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Chemical structure

BNP (1-32), human

Related Biological Data

BNP (1-32), human

Protocol

Cell experiment: [1]

Cell lines

Normal adult canine ventricular fibroblasts

Preparation method

The solubility of this peptide in sterile water is >10 mM. Stock solution should be splited and stored at -80°C for several months.

Reaction Conditions

1 μM, 5 min

Applications

BNP (1 μM) significantly increased the intracellular cGMP, whereas lower concentrations did not alter the cGMP. At this concentration, BNP elevated cGMP levels with a maximal effect at 5 minutes. BNP (1 μM) significantly inhibited the [3H]proline incorporation into the cells by 29%.

Animal experiment: [2]

Animal models

Adult Japanese white rabbits

Dosage form

Injected through the sclera into the vitreous cavity, 100 μM, 4 hours

Applications

At 100 μM, BNP treatment induced a significant decrease in IOP compared with vehicle-treated eyes. In particular, there were statistically significant differences at 4 and 6 hours. In addition, BNP treatment at 10 μM caused a significant decrease in IOP compared to the vehicle-treated eyes, but only at 6 hours after the injection.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1] Tsuruda T, Boerrigter G, Huntley B K, et al. Brain natriuretic peptide is produced in cardiac fibroblasts and induces matrix metalloproteinases. Circulation research, 2002, 91(12): 1127-1134.

[2] Takashima Y, Taniguchi T, Yoshida M, et al. Ocular hypotensive mechanism of intravitreally injected brain natriuretic peptide in rabbit. Investigative ophthalmology & visual science, 1996, 37(13): 2671-2677.

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Chemical Properties

Cas No. 114471-18-0 SDF Download SDF
Synonyms H2N-Ser-Pro-Lys-Met-Val-Gln-Gly-Ser-Gly-Cys-Phe-Gly-Arg-Lys-Met-Asp-Arg-Ile-Ser-Ser-Ser-Ser-Gly-Leu-Gly-Cys-Lys-Val-Leu-Arg-Arg-His-OH
Formula C143H244N50O42S4 M.Wt 3464.04
Solubility Soluble in Water Storage Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

Background

Basic natriuretic peptide (BNP), now known as B-type natriuretic peptide (also BNP) or GC-B, is a 32 amino acid polypeptide secreted by the ventricles of the heart in response to excessive stretching of heart muscle cells (cardiomyocytes). The release of BNP is modulated by calcium ions(1). BNP is named as such because it was originally identified in extracts of porcine brain, although in humans it is produced mainly in the cardiac ventricles. The physiologic actions of BNP are similar to ANP and include decrease in systemic vascular resistance and central venous pressure as well as an increase in natriuresis. Thus, the net effect of BNP and ANP is a decrease in blood volume which lowers systemic blood pressure and afterload, yielding an increase in cardiac output, partly due to a higher ejection fraction. The main clinical utility of either BNP or NT-BNP is that a normal level rules out acute heart failure in the emergency setting(2). Recombinant BNP, Nesiritide is used to treat decompensated heart failure(3).

A1105_1

Figure1  Formula of BNP 1-32

A1105_2

Figuresignal pathway of Basic natriuretic peptide

Ref:

1. Ziskoven D, Forssmann WG, Holthausen U, Menz G, Addicks K, Rippegater G: Calcium Calmodulinantagonists Influences the release of Cardiodilatin/ANP from Atrial Cardiocytes. Handbook Endocrinology of the Heart, edited by Kaufmann W, Wambach G, 01/1989; Springer Verlag Berlin Heidelberg New York;

2. Maisel A, Krishnaswamy P, Nowak R, McCord J, Hollander J, Duc P, Omland T, Storrow A, Abraham W, Wu A, Clopton P, Steg P, Westheim A, Knudsen C, Perez A, Kazanegra R, Herrmann H, McCullough P (2002). "Rapid measurement of B-type natriuretic peptide in the emergency diagnosis of heart failure". N Engl J Med 347 (3): 161–7.

3. O'Connor CM, Starling RC, Hernandez AF, et al. Effect of nesiritide in patients with acute decompensated heart failure. TheNew Englandjournal of medicine 2011;365:32-43.