Non-competitive nicotinic cholinergic antagonist; selectively inhibits nicotinic-stimulated catecholamine secretion from chromaffin cells and noradrenergic neurons (IC50 ~ 200 nM). Blocks nicotinic-induced cationic signaling (IC50 ~ 200 - 250 nM) and inhibits nicotinic-agonist induced desensitization of catecholamine release. Also stimulates mast cell release of histamine via a separate mechanism.
|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 1 mg/ml in water|
Preparing Stock Solutions
The following data is based on the product molecular weight 2425.84. 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||0.41 mL||2.06 mL||4.12 mL|
|5 mM||0.08 mL||0.41 mL||0.82 mL|
|10 mM||0.04 mL||0.21 mL||0.41 mL|
|50 mM||0.01 mL||0.04 mL||0.08 mL|
References are publications that support the biological activity of the product.
Mahata et al (1997) Novel autocrine feedback control of catecholamine release. J.Clin.Invest. 100 1623 PMID: 9294131
Mahata et al (2000) Primary structure and function of the catecholamine release inhibitory peptide catestatin (Chromogranin A344-364): identification of amino acid residues crucial for activity. Mol.Endocrinol. 14 1525 PMID: 11043569
Kruger et al (2003) Catestatin (CgA344-364) stimulates rat mast cell release of histamine in a manner comparable to mastoparan and other cationic charged neuropeptides. Regul.Peptides 114 29
If you know of a relevant reference for Catestatin, please let us know.
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Keywords: Catestatin, Catestatin supplier, Non-competitive, nicotinic, cholinergic, antagonists, Acetylcholine, Receptors, Non-Selective, Subtypes, nAChR, Chromogranin, A344-364, A344364, Nicotinic, (Non-selective), 2722, Tocris Bioscience
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Literature in this Area
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Peripheral sensitization is the reduction in the threshold of excitability of sensory neurons that results in an augmented response to a given external stimulus. This poster outlines the excitatory and inhibitory signaling pathways involved in modulation of peripheral sensitization. The role of ion channels, GPCRs, neurotrophins, and cytokines in sensory neurons are also described.