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  • Title: Effects of MK-801 and antidepressant drugs in the forced swimming test in rats.
    Author: Maj J, Rogóz Z, Skuza G, Sowińska H.
    Journal: Eur Neuropsychopharmacol; 1992 Mar; 2(1):37-41. PubMed ID: 1638172.
    Abstract:
    The effects of MK-801, a non-competitive NMDA receptor antagonist, and of antidepressant drugs were studied in the forced swimming test in rats. MK-801 reduced immobility time. Combined treatment with MK-801 + imipramine induced a stronger effect in Porsolt's test than administration of either drug alone. Citalopram was inactive when given alone but it potentiated the antidepressant-like effect of MK-801. Haloperidol and prazosin antagonized the effect induced by MK-801 + IMI or CIT. Mianserin interacted with MK-801 in a similar way but to a lesser extent. Its effect was antagonized by haloperidol but not by prazosin. The reduction of the immobility time was also observed in those experimental paradigms in which the locomotor activity was not increased. The results indicate that synergism may exist between antidepressants and MK-801.
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