Abstract
Hyperpolarization-activated, cyclic nucleotide-gated (HCN) channels, the molecular correlate of the hyperpolarization-activated current (If/Ih), are membrane proteins which play an important role in several physiological processes and various pathological conditions. In the Sino Atrial Node (SAN) HCN4 is the target of ivabradine, a bradycardic agent that is, at the moment, the only drug which specifically blocks If. Nevertheless, several other pharmacological agents have been shown to modulate HCN channels, a property that may contribute to their therapeutic activity and/or to their side effects.
HCN channels are considered potential targets for developing drugs to treat several important pathologies, but a major issue in this field is the discovery of isoform-selective compounds, owing to the wide distribution of these proteins into the central and peripheral nervous systems, heart and other peripheral tissues. This survey is focused on the compounds that have been shown, or have been designed, to interact with HCN channels and on their binding sites, with the aim to summarize current knowledge and possibly to unveil useful information to design new potent and selective modulators.
Keywords: HCN channels, Hyperpolarization-activated current, Ivabradine, Drug design, Selectivity, Atrial and Ventricular arrhythmia, Atrial fibrillation, Parkinson’s disease.
Current Topics in Medicinal Chemistry
Title:HCN Channels Modulators: The Need for Selectivity
Volume: 16 Issue: 16
Author(s): Maria Novella Romanelli, Laura Sartiani, Alessio Masi, Guido Mannaioni, Dina Manetti, Alessandro Mugelli and Elisabetta Cerbai
Affiliation:
Keywords: HCN channels, Hyperpolarization-activated current, Ivabradine, Drug design, Selectivity, Atrial and Ventricular arrhythmia, Atrial fibrillation, Parkinson’s disease.
Abstract: Hyperpolarization-activated, cyclic nucleotide-gated (HCN) channels, the molecular correlate of the hyperpolarization-activated current (If/Ih), are membrane proteins which play an important role in several physiological processes and various pathological conditions. In the Sino Atrial Node (SAN) HCN4 is the target of ivabradine, a bradycardic agent that is, at the moment, the only drug which specifically blocks If. Nevertheless, several other pharmacological agents have been shown to modulate HCN channels, a property that may contribute to their therapeutic activity and/or to their side effects.
HCN channels are considered potential targets for developing drugs to treat several important pathologies, but a major issue in this field is the discovery of isoform-selective compounds, owing to the wide distribution of these proteins into the central and peripheral nervous systems, heart and other peripheral tissues. This survey is focused on the compounds that have been shown, or have been designed, to interact with HCN channels and on their binding sites, with the aim to summarize current knowledge and possibly to unveil useful information to design new potent and selective modulators.
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Cite this article as:
Novella Romanelli Maria, Sartiani Laura, Masi Alessio, Mannaioni Guido, Manetti Dina, Mugelli Alessandro and Cerbai Elisabetta, HCN Channels Modulators: The Need for Selectivity, Current Topics in Medicinal Chemistry 2016; 16 (16) . https://dx.doi.org/10.2174/1568026616999160315130832
DOI https://dx.doi.org/10.2174/1568026616999160315130832 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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