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Signalling of Adrenoceptors: Canonical Pathways and New Paradigms

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Handbook of Experimental Pharmacology

Abstract

The concept of G protein-coupled receptors initially arose from studies of the β-adrenoceptor, adenylyl cyclase, and cAMP signalling pathway. Since then both canonical G protein-coupled receptor signalling pathways and emerging paradigms in receptor signalling have been defined by experiments focused on adrenoceptors. Here, we discuss the evidence for G protein coupling specificity of the nine adrenoceptor subtypes. We summarise the ability of each of the adrenoceptors to activate proximal signalling mediators including cAMP, calcium, mitogen-activated protein kinases, and protein kinase C pathways. Finally, we highlight the importance of precise spatial and temporal control of adrenoceptor signalling that is controlled by the localisation of receptors at intracellular membranes and in larger protein complexes.

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Correspondence to Michelle L. Halls .

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© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Mastos, C., Xu, X., Keen, A.C., Halls, M.L. (2024). Signalling of Adrenoceptors: Canonical Pathways and New Paradigms. In: Handbook of Experimental Pharmacology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/164_2023_704

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  • DOI: https://doi.org/10.1007/164_2023_704

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  • Publisher Name: Springer, Berlin, Heidelberg

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