High affinity and selective ghrelin receptor inverse agonist (Kd= 3 nM). Exhibits selectivity for ghrelin receptors over a panel of other targets. Increases intracellular Ca2+concentration in and insulin secretion from human isletsin vitro. Increases gas
1.Bhattacharya SK, Andrews K, Beveridge R, Cameron KO, Chen C, Dunn M, Fernando D, Gao H, Hepworth D, Jackson VM et al.. (2014) Discovery of PF-5190457, a Potent, Selective, and Orally Bioavailable Ghrelin Receptor Inverse Agonist Clinical Candidate.. ACS Med Chem Lett, 5 (5):(474-9). [PMID:24900864][10.1021/op500134e]
2.Kong J, Chuddy J, Stock IA, Loria PM, Straub SV, Vage C, Cameron KO, Bhattacharya SK, Lapham K, McClure KF et al.. (2016) Pharmacological characterization of the first in class clinical candidate PF-05190457: a selective ghrelin receptor competitive antagonist with inverse agonism that increases vagal afferent firing and glucose-dependent insulin secretion ex vivo.. Br J Pharmacol, 173 (9):(1452-64). [PMID:26784385][10.1021/op500134e]
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