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Biological Activity for DMP 543
DMP 543 is an acetylcholine release stimulator. Potently enhances K+-stimulated [3H]-ACh release from rat hippocampal slices (EC50 = 700 nM), and increases release of dopamine and glutamate (EC50 values are 0.25 and 0.22 μM, respectively). Orally active in vivo; increases ACh levels in rats (with a minimum effective dose of 1 mg/kg) and exerts a long duration of action. More potent than linopirdine (Cat. No. 1999) both in vitro and in vivo. Also K+ channel blocker.
Technical Data for DMP 543
|Storage||Store at RT|
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.
Solubility Data for DMP 543
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions for DMP 543
The following data is based on the product molecular weight 412.44. 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||2.42 mL||12.12 mL||24.25 mL|
|5 mM||0.48 mL||2.42 mL||4.85 mL|
|10 mM||0.24 mL||1.21 mL||2.42 mL|
|50 mM||0.05 mL||0.24 mL||0.48 mL|
References for DMP 543
References are publications that support the biological activity of the product.
Zaczek et al (1998) Two new potent neurotransmitter release enhancers, 10,10-Bis(4-pyridinylmethyl)-9(10H)-anthracenone and 10,10-Bis(2-fluoro-4-pyridinylmethyl)-9(10H)-anthracenone: comparison to linopirdine. J.Pharmacol.Exp.Ther. 285 724 PMID: 9580619
Earl et al (1998) 2-Fluoro-4-pyridinylmethyl analogues of linopirdine as orally active acetylcholine release-enhancing agents with good efficacy and duration of action. J.Med.Chem. 41 4615 PMID: 9804701
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1 Citation for DMP 543
Citations are publications that use Tocris products. Selected citations for DMP 543 include:
Ipavec et al (2011) KV7 channels regulate muscle tone and nonadrenergic noncholinergic relaxation of the rat gastric fundus. Pharmacol Res 64 397 PMID: 21740972
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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.