Amylin (AMY3) receptor antagonist. Inhibits andrenomedulin-stimulated cAMP production in vitro. Protects against oligomeric Aβ-induced increase in intracellular Ca2+, activation of PKA, MAPK, Akt and cFOS and cell death in neuronal cell culture. Blocks electrophysiological effects of Aβ in vitro. Cyclic AC 253 (Cat.No. 6550) also available.
(Modifications: Leu-1 = N-terminal Ac, Tyr-24 = C-terminal amide)
|Storage||Store 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 2 mg/ml in water|
Preparing Stock Solutions
The following data is based on the product molecular weight 2847.11. 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||0.35 mL||1.76 mL||3.51 mL|
|5 mM||0.07 mL||0.35 mL||0.7 mL|
|10 mM||0.04 mL||0.18 mL||0.35 mL|
|50 mM||0.01 mL||0.04 mL||0.07 mL|
References are publications that support the biological activity of the product.
Coppock et al (1999) Rat-2 fibroblasts express specific adrenomedullin receptors, but not calcitonin-gene-related-peptide receptors, which mediate increased intracellular cAMP and inhibit mitogen-activated protein kinase activity. Biochem.J. 338 15 PMID: 9931292
Jhamandas et al (2011) Actions of β-amyloid protein on human neurons are expressed through the amylin receptor. Am.J.Pathol. 178 140 PMID: 21224052
Fu et al (2012) Amyloid β (Aβ) peptide directly activates amylin-3 receptor subtype by triggering multiple intracellular signaling pathways. J,Biol.Chem. 287 18820 PMID: 22500019
If you know of a relevant reference for AC 253, please let us know.
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Literature in this Area
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Peptides Involved in Appetite Modulation Scientific Review
Written by Sonia Tucci, Lynsay Kobelis and Tim Kirkham, this review provides a synopsis of the increasing number of peptides that have been implicated in appetite regulation and energy homeostasis; putative roles of the major peptides are outlined and compounds available from Tocris are listed.