Title : Activation of 5-HT1A receptors in medullary raphé disrupts sleep and decreases shivering during cooling in the conscious piglet.

Pub. Date : 2008 Mar

PMID : 18094064






3 Functional Relationships(s)
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1 We previously showed in conscious piglets that activation of 5-HT1A receptors with (+/-)-8-hydroxy-2-(dipropylamino)-tetralin (8-OH-DPAT) in the paragigantocellularis lateralis (PGCL), a medullary region lateral to the raphe that contains substantial numbers of 5-HT neurons, eliminates rapid eye movement (REM) sleep and decreases shivering in a cold environment, but does not attenuate peripheral vasoconstriction. 8-Hydroxy-2-(di-n-propylamino)tetralin 5-hydroxytryptamine receptor 1A Homo sapiens
2 We previously showed in conscious piglets that activation of 5-HT1A receptors with (+/-)-8-hydroxy-2-(dipropylamino)-tetralin (8-OH-DPAT) in the paragigantocellularis lateralis (PGCL), a medullary region lateral to the raphe that contains substantial numbers of 5-HT neurons, eliminates rapid eye movement (REM) sleep and decreases shivering in a cold environment, but does not attenuate peripheral vasoconstriction. 8-Hydroxy-2-(di-n-propylamino)tetralin 5-hydroxytryptamine receptor 1A Homo sapiens
3 The effects of 8-OH-DPAT were prevented after dialysis of the selective 5-HT1A receptor antagonist WAY-100635. 8-Hydroxy-2-(di-n-propylamino)tetralin 5-hydroxytryptamine receptor 1A Homo sapiens