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Disturbances in the FGFR1-5-HT1A Heteroreceptor Complexes in the Raphe-Hippocampal 5-HT System Develop in a Genetic Rat Model of Depression.

Frontiers in cellular neuroscience (2017-10-27)
Dasiel O Borroto-Escuela, Caitlin M DuPont, Xiang Li, David Savelli, Davide Lattanzi, Ipsit Srivastava, Manuel Narváez, Michael Di Palma, Elisa Barbieri, Yuniesky Andrade-Talavera, Riccardo Cuppini, Yuji Odagaki, Miklos Palkovits, Patrizia Ambrogini, Maria Lindskog, Kjell Fuxe
ABSTRACT

The FGFR1-5-HT1A heteroreceptor complexes are involved in neuroplasticity in the rat hippocampus and in the mesencephalic raphe 5-HT nerve cells. There exists a 5-HT1A protomer enhancement of FGFR1 protomer signaling. Acute and 10 day treatment with intracerebroventricular (i.c.v.) FGF-2 and the 5-HT1A agonist 8-OH-DPAT produced enhanced antidepressant effects in the forced swim test (FST). We studied in the current work the disturbances in the FGFR1-5-HT1A heterocomplexes in a genetic rat model of depression, the Flinders sensitive line (FSL) rats of Sprague-Dawley (SD) origin, by means of neurochemical, neurophysiological and behavioral techniques. In control SD rats, the FGFR1 agonist SUN11602 and FGF2 produced a significant reduction of G protein-coupled inwardly rectifying K

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Supelco
Serotonin, analytical standard