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  • Title: Anxiolytic-like effect of N-n-butyl-3-methoxyquinoxaline-2-carboxamide (60) in experimental mouse models of anxiety.
    Author: Bhatt S, Mahesh R, Devadoss T, Jindal A.
    Journal: Indian J Exp Biol; 2013 Jul; 51(7):510-4. PubMed ID: 23898549.
    Abstract:
    The present research was designed to explore the anxiolytic-like activity of a novel 5-HT3 receptor antagonist (60) in experimental mouse models of anxiety. The anxiolytic activity of '6o' at (1 and 2 mg/kg, ip) was evaluated in mice by using a battery of behavioural tests of anxiety such as elevated plus maze (EPM), light/dark aversion test, hole board (HB) and open field test (OFT) with diazepam (2 mg/kg, ip) as a standard anxiolytic. None of the tested doses of '6o' affected the base line locomotion. Compound '6o' (2 mg/kg, ip) and diazepam (2 mg/kg, ip) significantly increased the percentage of both time spent and open arm entries in the EPM test. Compound '6o' in (1 mg/kg, ip) dose was only able to affect the percentage time spent in open arm significantly in the EPM test. In the light and dark test, compound '6o' (2 mg/kg, ip) and diazepam (2 mg/kg, ip) significantly increased the total time spent in light compartment as well as number of transitions from one compartment to other and number of square crossed. Compound '6o' (1 and 2 mg/kg, ip) and diazepam (2 mg/kg, ip) also significantly increased number of head dips and number of squares crossed, whereas significantly decreased the head dipping latency in HB test as compared to vehicle control group. In addition, '6o' in both the doses and diazepam (2 mg/kg, ip) significantly increased the ambulation scores (squares crossed) in OFT however, there was no significant effect of '6o' (1 and 2 mg/kg, ip) and diazepam (2 mg/kg, ip) on rearing scores. To conclude compound '6o' exhibited an anxiolytic-like effect in animal models of anxiety.
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