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Serotonin (5-HT)is involved in various physiological and pathological processes by interaction with 14 distinct receptor subtypes,grouped in seven classes of receptors (5-HT 1-7 )on the basis of amino acid sequence,pharmacology,and signal transduction pathways.The 5-HT 7 R is a G-protein coupled receptor with seven transmembrane domains.It was found by the application of molecular cloning and has been identified in rat,mouse,human,pig,and guinea pig.Although the biological functions of the 5-HT 7 Rs are poorly understood,preliminary evidence suggests that it may be involved in depression,control of circadian rhythms,and relaxation of vascular smooth muscles.For these reasons,the 5-HT 7 R has become a target for the development of novel drugs.This review will give a brief introduction of the pharmacology of 5-HT 7 R (molecular structure,distribution of 5- HT 7 R mRNA,localization of the 5-HT 7 R protein,functional correlates,and therapeutic potential)and a detailed survey of the 5-HT 7 R ligands,which have appeared in the literature in both papers and patents.Structure- activity relationships (SAR)of these ligands will also be described.
Universita degli Studi di Bari,Dipartimento Farmaco-Chimico,via Orabona,4,70125,Bari,Italy.
Publication date: March 1, 2004
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Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.