Selective inverse agonist for the H1 receptor. Inhibits histamine induced inositol phosphate (InsP) production (log EC50 = -7.94) and intracellular calcium mobilization. Sequesters Gq/11 protein, reducing its availability for other receptors associated with the same signaling pathway.
|Storage||Store at RT|
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.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
|phosphate buffered saline||40.15||100|
Preparing Stock Solutions
The following data is based on the product molecular weight 401.46. 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||2.49 mL||12.45 mL||24.91 mL|
|5 mM||0.5 mL||2.49 mL||4.98 mL|
|10 mM||0.25 mL||1.25 mL||2.49 mL|
|50 mM||0.05 mL||0.25 mL||0.5 mL|
The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.
References are publications that support the products' biological activity.
Carlos et al (2004) Mepyramine, a histamine H1 receptor inverse agonist, binds perferentially to a G protein-coupled form of the receptor and sequesters G protein. J.Biol.Chem. 279 34431 PMID: 15192105
Hill (1990) Distribution, properties and functional characteristics of three classes of histamine receptor. Pharmacol.Rev. 42 45 PMID: 2164693
Liu et al (1994) Does the [3H] mepyramine binding site represent the histamine H1 receptor? Re-examination of the histamine H2 receptor with quinine. J.Pharmacol.Exp.Ther. 268 959 PMID: 8114011
If you know of a relevant reference for Mepyramine maleate, please let us know.
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Keywords: Selective H1 inverse agonists Receptors Histamine histaminergic Pyrilamine maleate Histamine H1 Receptors
1 Citation for Mepyramine maleate
Citations are publications that use Tocris products. Selected citations for Mepyramine maleate include:
Brandt et al (2003) Mast cells are required for experimental oral allergen-induced diarrhea. J Clin Invest 112 1666 PMID: 14660743
Do you know of a great paper that uses Mepyramine maleate from Tocris? If so please let us know.