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HomeProduct name listVKGILS-NH2

VKGILS-NH2

VKGILS-NH2 Structural

What is VKGILS-NH2?

The Uses of VKGILS-NH2

VKGILS-NH2 is a PAR2 inactive control peptide.

Biological Activity

vkgils-nh2 serves as the reversed amino acid sequence control peptide for sligkv-nh2, a protease-activated receptor 2 (par2) agonist. pars are a group of g-protein-coupled receptors existing in several cell types. up to date, four par members including par1 to 4 have been identified, cloned and designated. par2 is expressed in the respiratory and gastrointestinal tracts. it is suggested that the activation of par2 is closely correlated with inflammatory evens in various cells and tissues. par2 has also been identified to induce protease activation and therefore result in systemic hypotension. [1]

in vitro

the par2 activating peptide ap (sligkv-nh2) and the reverse peptide control rp (vkgils-nh2) were used in one study to reveal that par2 slightly enhanced mucin secretion by human bronchial epithelial cells in vitro. according to this study, compared to cells treated with vkgils-nh2, exposure of cells to the synthetic par2 agonist peptide (sligkv-nh2) for 30 mins resulted in a weak but statistically significant increase in mucin secretion at concentrations of 100 and 1000m. [1]

in vivo

in one in vivo study, the mouse par2 reverse (lrgils-nh2) and human par2 reverse (vkgils-nh2) peptides were adopted as control which caused no contractile responses at the highest concentrations, with the aim to prove in the guinea-pig gallbladder par1 and par2 activation could lead to contractile responses. [2]

storage

Store at -20°C

References

[1] lin kw, park j, crews al, li yh, adler kb. protease-activated receptor-2 (par-2) is a weak enhancer of mucin secretion by human bronchial epithelial cells in vitro. int j biochem cell b. 2008. 40: 137988.
[2] tognetto m, trevisani m, maggiore b, navarra g, turini a, guerrini r, bunnett nw, geppetti p and harrison s. evidence that par-1 and par-2 mediate prostanoid-dependent contraction in isolated guinea-pig gallbladder. br.j.pharmacol. 2000.131: 689-94.
[3] robin j, kharbanda r, mclean p, campbell r, vallance p. protease-activated receptor 2–mediated vasodilatation in humans in vivo, role of nitric oxide and prostanoids. circulation. 2003;107:954-959.

Properties of VKGILS-NH2

Boiling point: 1010.8±65.0 °C(Predicted)
Density  1.161±0.06 g/cm3(Predicted)
storage temp.  Store at -20°C
solubility  ≥13.82 mg/mL in EtOH with gentle warming and ultrasonic; ≥134.4 mg/mL in DMSO; ≥62.9 mg/mL in H2O
form  solid
pka 13.43±0.46(Predicted)
color  White to off-white
Water Solubility  Soluble to 2 mg/ml in water

Safety information for VKGILS-NH2

Computed Descriptors for VKGILS-NH2

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