Abstract
The deorphanization of the histamine H4 receptor (H4R) has led to a significant number of scientific publications and patent applications. Whereas some histamine H1, H2 and H3 receptor ligands were found to have significant affinity for H4R, several agonists and antagonists with high affinity for H4R and selectivity over the other histamine receptors were successfully designed and synthesized. Moreover, site-directed mutation studies on H4R have been performed and reveal detailed information on receptor-ligand interactions. This review will focus on the most important H4R ligand scaffolds and their structure-activity relationships and selectivity over other histamine receptors and specific H4R functional activity. Experimental data are used to construct and validate high resolution three-dimensional receptor-ligand models and, vice versa, in silico models are used to design and rationalize experimental studies to probe receptor-ligand interactions.
Keywords: Histamine H4, structure-activity relationships, site-directed mutations, receptor-ligand interactions, Isothioureas, quinoxaline fragment, compound 52, histamine-analogues, probe, Affinity, chemogenomical analyses, SAR studies
Current Topics in Medicinal Chemistry
Title: Molecular Determinants of Selective Agonist and Antagonist Binding to the Histamine H4 Receptor
Volume: 11 Issue: 6
Author(s): Enade P. Istyastono, Chris de Graaf, Iwan J.P. de Esch and Rob Leurs
Affiliation:
Keywords: Histamine H4, structure-activity relationships, site-directed mutations, receptor-ligand interactions, Isothioureas, quinoxaline fragment, compound 52, histamine-analogues, probe, Affinity, chemogenomical analyses, SAR studies
Abstract: The deorphanization of the histamine H4 receptor (H4R) has led to a significant number of scientific publications and patent applications. Whereas some histamine H1, H2 and H3 receptor ligands were found to have significant affinity for H4R, several agonists and antagonists with high affinity for H4R and selectivity over the other histamine receptors were successfully designed and synthesized. Moreover, site-directed mutation studies on H4R have been performed and reveal detailed information on receptor-ligand interactions. This review will focus on the most important H4R ligand scaffolds and their structure-activity relationships and selectivity over other histamine receptors and specific H4R functional activity. Experimental data are used to construct and validate high resolution three-dimensional receptor-ligand models and, vice versa, in silico models are used to design and rationalize experimental studies to probe receptor-ligand interactions.
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Cite this article as:
P. Istyastono Enade, de Graaf Chris, J.P. de Esch Iwan and Leurs Rob, Molecular Determinants of Selective Agonist and Antagonist Binding to the Histamine H4 Receptor, Current Topics in Medicinal Chemistry 2011; 11 (6) . https://dx.doi.org/10.2174/1568026611109060661
DOI https://dx.doi.org/10.2174/1568026611109060661 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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