Add time:07/19/2019         Source:sciencedirect.com

The piperazine derivatives correspond to an extensive chemical class of compounds with numerous neuropharmacological activities, including antidepressant (e.g., nefazodone, trazodone) and anxiolytic (e.g., buspirone) properties. Therefore, aiming to identify a new antidepressant and antianxiety lead-compound, our group designed, synthesized, and investigated the effects of a new piperazine compound, namely, LQFM104, on the behavior of mice. Male albino Swiss mice were treated with LQFM104 prior to predictive behavioral tests as open field (OFT), elevated plus maze (EPM), forced swimming (FST), and tail suspension tests (TST). The participation of the serotonergic system was evaluated by pretreatment with a 5-HT1A antagonist receptor (WAY100635) and serotonin (5-HT) synthesis inhibitor (p–chlorphenylalanine, pCPA) before oral administration of LQFM104 and behavioral tests. The treatment with LQFM104 did not interfere with locomotor activity but revealed suggestive data of anxiolytic-like effects by the increase in the time spent in the center of the OFT. This activity was confirmed by the results obtained in the EPM, and it was abolished after pretreatment with WAY100635 and pCPA. The immobility time decreased in both the FST and TST. The antidepressant-like activity was completely abolished after WAY100635 pretreatment. Altogether, these data revealed that LQFM104 possesses anxiolytic and antidepressant-like properties in behavioral tests on mice, and these activities are possibly mediated, directly and/or indirectly, by serotonergic pathways.

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