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    Pharmacol Ther. 2001 Nov-Dec;92(2-3):179-212.

    Multiplicity of mechanisms of serotonin receptor signal transduction.

    Raymond JR, Mukhin YV, Gelasco A, Turner J, Collinsworth G, Gettys TW, Grewal JS, Garnovskaya MN.

    The Research Service of the Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC 29401, USA. raymondj@musc.edu

    The serotonin (5-hydroxytryptamine, 5-HT) receptors have been divided into 7 subfamilies by convention, 6 of which include 13 different genes for G-protein-coupled receptors. Those subfamilies have been characterized by overlapping pharmacological properties, amino acid sequences, gene organization, and second messenger coupling pathways. Post-genomic modifications, such as alternative mRNA splicing or mRNA editing, creates at least 20 more G-protein-coupled 5-HT receptors, such that there are at least 30 distinct 5-HT receptors that signal through G-proteins. This review will focus on what is known about the signaling linkages of the G-protein-linked 5-HT receptors, and will highlight some fascinating new insights into 5-HT receptor signaling.

    PMID: 11916537 [PubMed - indexed for MEDLINE]

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