A neuropeptide with diverse biological activities
Cisapride-d6 is intended for use as an internal standard for the quantification of cisapride by GC- or LC-MS. Cisapride is an agonist of serotonin (5-HT) receptor subtype 5-HT4 (IC50 = 0.483 μM in COS-7 cells expressing the human receptor).1 It induces relaxation of precontracted isolated rat esophageal thoracic muscularis mucosae preparations (EC50 = 102.33 nM). Cisapride (0.5 mg/kg) increases the rate of gastric emptying in rats. It is also a human ether-a-go-go related gene (hERG) channel blocker that binds to hERG channels with an IC50 value of less than 1 μM in a fluorescence polarization assay. Formulations containing cisapride have previously been used in the treatment of nocturnal heartburn associated with gastroesophageal reflux disease.
|1. Park, J.S., Im, W., Choi, S., et al. Discovery and SAR of N-(1-((substituted piperidin-4-yl)methyl)-3-methoxypiperidin-4-yl)-2-methoxybenzamide derivatives: 5-Hydroxytryptamine receptor 4 agonist as a potent prokinetic agent. Eur. J. Med. Chem. 109, 75-88 (2016).
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