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Receptor-receptor interactions within receptor mosaics. Impact on neuropsychopharmacology
2008, Brain Research ReviewsCitation Excerpt :The fact that intraventricular galanin can cause attenuation of the 5-HT1A agonist response even when given 2 h before the 5-HT1A agonist in the absence of changes in the 5-HT1A agonist binding sites in the cortical limbic regions suggest that galanin receptors may modulate also other types of receptors participating in this behavioral response (see below). The activation of 5-HT1A receptors in membrane preparations and in brain sections was in contrast found to increase the affinity of the galanin receptors in diencephalic and telencephalic areas (Hedlund et al., 1991a). Thus, reciprocal intramembrane receptor–receptor interactions exist in putative GalR/5-HT1A heteromers where an activation of 5-HT1A receptors increases gal recognition and probably galanin signaling.
Increased density of galanin binding sites in the dorsal raphe in a genetic rat model of depression
2002, Neuroscience LettersSystemic oxytocin treatment modulates α2-adrenoceptors in telencephalic and diencephalic regions of the rat
2000, Brain ResearchCitation Excerpt :Control animals received saline s.c. (1 ml/kg) in the same way (n=6). The procedure used in this work has been described elsewhere [8,11]. Briefly, the rats were killed by decapitation and the brains were rapidly removed and frozen under a CO2 stream.
Expression of galanin and nitric oxide synthase in subpopulations of serotonin neurons of the rat dorsal raphe nucleus
1997, Journal of Chemical Neuroanatomy