Abstract
The three β-adrenoceptor subtypes (β1, β2, β3) represent important therapeutic targets. The use of β2- adrenoceptor agonists as bronchodilators and β1 or β1/β2 antagonists as antihypertensives is well established; research is ongoing in these areas to refine pharmacodynamic properties. It is also feasible to design molecules combining β-adrenoceptor affinity with other pharmacophores. This is facilitated by the ability to confer β- adrenoceptor antagonist activity via attachment of a phenylethanolamine moiety or to incorporate diverse structural elements in the N-alkyl substituent of a β-adrenoceptor agonist or antagonist. β3-Adrenoceptor agonists have not yet been successfully developed as drugs for any therapeutic indication; nevertheless, during the past few years many highly potent and selective β3-agonists have been reported, some with good oral bioavailability. Selective β3-adrenoceptor antagonists have also been identified; useful pharmacological tools are now available for the evaluation of the functional role of each β-adrenoceptor subtype.
Keywords: Phenylethanolamine, phenoxypropanolamine, D2 receptor, phosphodiesterase, calcium channel
Current Topics in Medicinal Chemistry
Title: Recent Advances in Identification and Characterization of β-Adrenoceptor Agonists and Antagonists
Volume: 7 Issue: 2
Author(s): J. Paul Hieble
Affiliation:
Keywords: Phenylethanolamine, phenoxypropanolamine, D2 receptor, phosphodiesterase, calcium channel
Abstract: The three β-adrenoceptor subtypes (β1, β2, β3) represent important therapeutic targets. The use of β2- adrenoceptor agonists as bronchodilators and β1 or β1/β2 antagonists as antihypertensives is well established; research is ongoing in these areas to refine pharmacodynamic properties. It is also feasible to design molecules combining β-adrenoceptor affinity with other pharmacophores. This is facilitated by the ability to confer β- adrenoceptor antagonist activity via attachment of a phenylethanolamine moiety or to incorporate diverse structural elements in the N-alkyl substituent of a β-adrenoceptor agonist or antagonist. β3-Adrenoceptor agonists have not yet been successfully developed as drugs for any therapeutic indication; nevertheless, during the past few years many highly potent and selective β3-agonists have been reported, some with good oral bioavailability. Selective β3-adrenoceptor antagonists have also been identified; useful pharmacological tools are now available for the evaluation of the functional role of each β-adrenoceptor subtype.
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Cite this article as:
Hieble J. Paul, Recent Advances in Identification and Characterization of β-Adrenoceptor Agonists and Antagonists, Current Topics in Medicinal Chemistry 2007; 7 (2) . https://dx.doi.org/10.2174/156802607779318208
DOI https://dx.doi.org/10.2174/156802607779318208 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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