Natural Product Research 2020-Mar
Plumieride exerts anxiolytic-like effect mediated by GABAergic and monoaminergic systems.
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Plumieride (PLU), an iridoid isolated from Allamanda cathartica flowers, has been studied by our research group due to its anti-inflammatory potential, antidepressant-like and anxiolytic-like effects. This research investigated the involvement of GABAergic and monoaminergic systems in the anxiolytic-like effect elicited by PLU. Therefore, mice were pre-treated with GABAergic, serotonergic, adrenergic or dopaminergic receptor antagonists (i.p.), and exposed to Elevated Plus-Maze (EPM) and Open-Field Test (OFT). The preliminary results revealed that PLU (p.o.) possibly interacts with the mentioned systems through the GABAA, GABAB, 5-HT1A, 5-HT3, α1, α2, and D2 receptors.