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KV11.1 (hERG) and KV4.3 channel activator. Activates the IKr and Ito currents and displays antiarrhythmic activity. May also act as a partial blocker of KV11.1 channels. Displays selectivity over the key cardiac potassium channels, KV7.1 (KCNQ1) and KV1.5. Suitable for both in vitro and in vivo use.
|Storage||Store at +4°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 427.18. Batch specific molecular weights may vary from batch to batch due to the degree 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||2.34 mL||11.7 mL||23.41 mL|
|5 mM||0.47 mL||2.34 mL||4.68 mL|
|10 mM||0.23 mL||1.17 mL||2.34 mL|
|50 mM||0.05 mL||0.23 mL||0.47 mL|
References are publications that support the biological activity of the product.
Hansen et al (2006) Biophysical characterization of the new human ether-a-go-go-related gene channel opener NS3623 [N-(4-bromo-2-(1H-tetrazol-5-yl)-phenyl)-N'-(3'-trifluoromethylphenyl)urea]. Mol.Pharmacol. 70 1319 PMID: 16825484
George (2009) Restoring repolarization in LQT3. Heart Rhythm. 6 107 PMID: 19121809
Hansen et al (2007) Pharmacological activation of rapid delayed rectifier potassium current suppresses bradycardia-induced triggered activity in the isolated guinea pig heart. J.Pharmacol.Exp.Ther. 321 996 PMID: 17325228
Calloe et al (2016) A dual potassium channel activator improves repolarization reserve and normalizes ventricular action potentials. Biochem.Pharmacol. 108 36 PMID: 27002181
If you know of a relevant reference for NS 3623, please let us know.
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Keywords: NS 3623, NS 3623 supplier, hERG, activators, cardiac, ether-a-go-go, IKr, Kv11.1, potassium, channels, voltage-gated, Kv, anti-arrhythmic, NS3623, Kv4.3, Ito, Voltage-Gated, Potassium, Channels, 4462, Tocris Bioscience
Citations for NS 3623
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Reviews for NS 3623
Average Rating: 5 (Based on 1 Review.)
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Product worked amazing on experimental conditions. Shows channel opening properties and must be dissolved in Tween 20–propylene glycol mixture.NS3623 affects the voltage-dependent potassium channel opening.
Literature in this Area
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Epilepsy is a brain disease that affects 60 million people globally. More than 20 anti-seizure drugs are currently available, but these do not address the underlying causes of the condition. This poster summarizes current knowledge about the development of the condition and highlights some approaches that have disease-modifying effects in proof-of-concept studies.
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.