Potent endogenous peptide agonist for the urotensin-II receptor (EC50 = 0.1 nM). Displays arterio-selective vasoconstriction and vasodilatation in mammals in vitro and in vivo, effects which vary between species. Also has been shown to mediate bronchoconstriction.
(Modifications: Disulfide bridge between 5 - 10)
|Storage||Desiccate at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
|Solubility||Soluble to 1 mg/ml in water|
Preparing Stock Solutions
The following data is based on the product molecular weight 1388.57. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||0.72 mL||3.6 mL||7.2 mL|
|5 mM||0.14 mL||0.72 mL||1.44 mL|
|10 mM||0.07 mL||0.36 mL||0.72 mL|
|50 mM||0.01 mL||0.07 mL||0.14 mL|
References are publications that support the products' biological activity.
Coulouarn et al (1998) Cloning of the cDNA encoding the urotensin II precursor in frog and human reveals intense expression of the urotensin II gene in motoneurones of the spinal cord. Proc.Natl.Acad.Sci.U.S.A. 95 15803 PMID: 9861051
Maguire and Davenport (2002) Is urotensin-II the new endothelin? Br.J.Pharmacol 137 579 PMID: 12381671
Nothacker et al (1999) Identification of the natural ligand of an orphan G-protein-coupled receptor involved in the regulation of vasoconstriction. Nat.Cell.Biol. 1 383 PMID: 10559967
If you know of a relevant reference for Urotensin II (human), please let us know.
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