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British journal of pharmacology

Anti-anhedonic effect of selective serotonin reuptake inhibitors with affinity for sigma-1 receptors in picrotoxin-treated mice.


PMID 27987210

Abstract

Prefrontal dopamine release by the combined activation of 5-HT Male mice were treated with picrotoxin to decrease GABA Picrotoxin caused an anxiogenic effect on three behavioural tests, but it did not affect the immobility time in the forced swim test. Picrotoxin decreased female preference in the female encounter test and attenuated the female encounter-induced increase in c-Fos expression in the nucleus accumbens. Picrotoxin-induced anhedonia was ameliorated by fluvoxamine and S-(+)-fluoxetine, selective serotonin reuptake inhibitors with high affinity for the σ Picrotoxin-treated mice show anhedonic behaviour that is ameliorated by simultaneous activation of 5-HT

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