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ID: ALA3585260
Journal: Bioorg Med Chem Lett
Title: 2-Aminoalkyl nicotinamide derivatives as pure inverse agonists of the ghrelin receptor.
Authors: Takahashi B, Funami H, Iwaki T, Maruoka H, Nagahira A, Koyama M, Kamiide Y, Matsuo T, Muto T, Annoura H.
Abstract: New inverse agonists of the ghrelin receptor (ghrelinR) were obtained through high-throughput screening and subsequent structural modification of 2-aminoalkyl nicotinamide derivatives. The key structural feature to improve in vitro activity was the introduction of a diazabicyclo ring at the 5-position of the pyridine ring. The final product showed potent inverse agonist activity and, despite its low brain permeability, reduced food intake in both normal and obese mice. These results implied that peripheral ghrelinR activity is important for appetite control and that a peripheral ghrelinR inverse agonist could be an anti-obesity drug with reduced risk of central nervous system (CNS)-related side effects.
CiteXplore: 25981690