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  • Title: [Behavioral effects of febarbamate (MS-543): evaluation by ambulatory activity, active avoidance and passive avoidance in mice].
    Author: Kuribara H, Tadokoro S.
    Journal: Nihon Yakurigaku Zasshi; 1991 Oct; 98(4):311-7. PubMed ID: 1802817.
    Abstract:
    Febarbamate (MS-543: 100 and 10000 mg/kg, p.o.) neither produced significant change in the mouse's ambulatory activity after the single administration nor modified the ambulation-increasing effects of the following drugs: methamphetamine (2 mg/kg, s.c.), apomorphine (0.5 mg/kg, s.c.) and scopolamine (0.5 mg/kg, s.c.). MS-543 (100 and 1000 mg/kg, p.o.) scarcely affected the established active avoidance response in mice under a discrete shuttle avoidance situation. However, MS-543 (1000 mg/kg, p.o.) tended to enhance the decrease in response and/or avoidance rates induced by chlorpromazine (2 mg/kg, s.c.) and physostigmine (0.2 mg/kg, s.c.). Finally, the disruption of the step-through passive avoidance response induced by pre-training administration of scopolamine (0.5 mg/kg, s.c.) in a one trial task was reduced when MS-543 was administered before the scopolamine administration. However, the post-training administration of MS-543 was without effect on the scopolamine-induced disruption of the avoidance. Furthermore, no significant effect of MS-543 was observed in the multi-trial passive avoidance task. The present results suggest that MS-543 activates cholinergic function and possesses a slight sedative action.
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