R&D Systems Inc. Tocris Bioscience Boston Biochem

Stressin I

Cat. No. 1608

Stressin I Ac-Pro-Pro-Ile-Ser-Leu-Asp-Leu-Thr-D-Phe-His-Leu-Leu-Arg-Glu-Val-Leu-Glu-Nle-Ala-Arg-Ala-Glu-Gln-Leu-Ala-Gln-Gln-cyclo(γ-Glu-His-Ser-ε-Lys)-Arg-Lys-Leu-Nle-Glu-Ile-Ile-NH2

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Alternative Name: cyclo(31-34)[D-Phe12,Nle21,38,Glu31, Lys34]Ac-hCRF (4-41)

Biological Activity

Potent and selective corticotropin releasing factor receptor-1 (CRF1) agonist (Ki values are 1.5 and 224 nM for CRF1 and CRF2 receptors respectively). Increases ACTH levels and increases faecal pellet output in vivo following i.p. administration.

Licensing Information

Sold with the permission of the SALK Institute

Technical Data

M.Wt:
4472.24
Formula:
C203H337N57O56
Sequence:
PPISLDLTFHLLREVLEXARAEQLAQQEHS­KRKLXEII

(Modifications: Pro-1 = N-terminal Ac, X = Nle, Glu-28 = γ-Glu, Lys-31 = ε-Lys, Cyclized = Glu-28 - Lys-31, Ile-38 = C-terminal amide)

Solubility:
Soluble to 1 mg/ml in water
Storage:
Desiccate at -20°C

The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
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Safety Data Sheet: View Safety Data Sheet

References

Rivier et al (2002) Receptor-selective corticotropin releasing factor analogs. Endocrin.Soc.Abstr. P2-50.

Rivier et al (2007) Stressin1-A, a potent corticotropin releasing factor receptor 1 (CRF1)-selective peptide agonist. J.Med.Chem. 50 1668. PMID: 17335188.

Bruchas et al (2009) CRF1-R activation of the dynorphin/kappa opioid system in the mouse basolateral amygdala mediates anxiety-like behavior. PLoS One. 4 e8528. PMID: 20052275.

If you know of a relevant citation for this product please let us know.

View Related Products by Target

Keywords: Stressin I, supplier, CRF1, agonists, Corticotropin-Releasing, Factor1, Receptors, Factor, StressinI

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