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Involvement of Serotonergic System and Magnesium on Anxiolytic Effects of Pomegranate in Male Mice

World Journal of Neuroscience 2014年第4期4卷 293-298页

作者： Mahsa Hadipour Jahromy Azadeh Shariatifar Somaye Samiee Melica Vaziri maryam bagheri shahraki Shirin Mansoori Dara Department of Pharmacology Medical Sciences Research Center Faculty of Medicine Islamic Azad University Tehran Medical Sciences Branch Tehran Iran

The anxiolytic activities of Punica granatum L. fruit juice (PGFJ) in various validated animal models of anxiety and amnesia have been recently reported in mice. Similarly, anxiolytic-like activity of magnesium chloride has been exhibited in the elevated plus-maze test in mice, in some studies. Buspirone is an anxiolytic psychoactive drug with known effects on 5-HT1A receptors that its action is not related to benzodiazepines. The purpose of the present study was to examine interactions between PGFJ, magnesium (Mg) and buspirone as a partial agonist of 5-HT1A receptors in producing anxiolytic-like activity in the elevated plus maze in mice. The anxiolytic-like effect of PGFJ (5, 10 and 20 ml/kg, orally), buspirone (5 mg/kg, i.p), Mg (50 mg/kg, orally) and their interactions were evaluated after ten days’ treatment. PGFJ given at all doses induced an anxiolyticlike effect significantly increasing the percentage of the time spent in the open arms, and the percentage of the open arm entries, in a dose-dependent manner. Buspirone showed anxiolytic effect after ten days;however, its effect was roughly comparable to the effect of PGFJ 5 ml/kg. Buspirone in combination with PGFJ (5 ml/kg), did produce more effect compared to buspirone alone and nearly in the range of PGFJ 5 ml/kg response. Also, Mg induced an anxiolytic-like effect that was more than effects observed by buspirone 5 mg/kg. However, binary application of buspirone and Mg showed anxiolytic effects more than buspirone, alone. In another group, Mg in combination with PGFJ (5 ml/kg), produced more anxyolitic effects compared to either Mg or PEF alone. It can be concluded that Pomegranate anxyolitic-like effect is dependent on interactions with both GABAergic (related to Mg) and serotonergic (5-HT1A) systems.

关键词： Anxiety Pomegranate Magnesium Chloride Buspirone Mice

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