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[CAS NO. ] Urotensin I TFA
| Ships within | Stock | Price | Qty | Total |
Please click "REQUEST A QUOTE" button if there is no stock, or you need other sizes or custom synthesis.
| Catalog: | HY-P1542B |
| Brand: | MCE |
| CAS: | - |
Overview
| MDL | - |
|---|---|
| Molecular Weight | 4983.48 |
| Molecular Formula | C212H341F3N62O69S2 |
| SMILES | - |
Summary
Urotensin I (Catostomus urotensin I) TFA, a CRF-like neuropeptide, acts as an agonist of CRF receptor with pEC 50 s of 11.46, 9.36 and 9.85 for human CRF 1 , human CRF 2 and rat CRF 2α receptors in CHO cells, and K i s of 0.4, 1.8, and 5.7 nM for hCRF 1 , rCRF 2α and mCRF 2β receptors, respectively [1] [2] .
IC50 & Target
In Vitro
Urotensin I is 2-3 times more potent than CRF or sauvagine in stimulating ACTH release from a superfused goldfish anterior pituitary cell column
[3]
.
Rat tail artery strips were incubated in the presence of 4 x 10(-3) M theophylline and Urotensin I (UI). At the concentrations of 1.50, 7.50 mU/ml but not of 0.75 mU/ml Urotensin I, the content of cAMP increased significantly
[4]
.
MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
Intraperitoneal injections of urotensin I, a CRF-like neuropeptide isolated from the caudal neurosecretory system of the teleost Catostomus commersoni, ovine CRF and sauvagine all produced significant increases in circulating levels of plasma cortisol in goldfish in which endogenous ACTH secretion was suppressed with betamethasone [3] .
MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Appearance
Solid
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)
References
- [1] Smart D, et al. Characterisation using microphysiometry of CRF receptor pharmacology. Eur J Pharmacol. 1999 Aug 27;379(2-3):229-35.
- [2] Reul JM, et al. Corticotropin-releasing factor receptors 1 and 2 in anxiety and depression. Curr Opin Pharmacol. 2002 Feb;2(1):23-33.
- [3] Fryer J, et al. Urotensin I, a CRF-like neuropeptide, stimulates acth release from the teleost pituitary. Endocrinology. 1983;113(6):2308-2310.
- [4] Gerritsen ME, et al. Urotensin I effects on intracellular content of cyclic AMP in the rat tail artery. Eur J Pharmacol. 1979;60(2-3):211-220.
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