Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Malinowska, B. et al.

Malinowska, Napiórkowska-Pawlak, Pawlak, Buczko, Göthert,

Ifenprodil influences changes in mouse behaviour related to acute and chronic ethanol administration.

The aim of the present study was to examine the influence of ifenprodil (a non-competitive NMDA receptor antagonist which also blocks 5-HT3 receptors and alpha1-adrenoceptors) on the effects of ethanol in the mouse in vivo and to elucidate the role of various receptors in these actions. The ethanol (4 g/kg i.p.)-induced sleeping time was shortened by ifenprodil 1 mg/kg but was not affected by ifenprodil 0.3 mg/kg, the 5-HT3 receptor antagonist ondansetron 0.03 mg/kg and the non-competitive NMDA receptor antagonist MK-801 ((+)-5-methyl-10,11-dihydro-5H-dibenzo(a,d)cycloheptan-5,10-imine maleate) 0.01 mg/kg. Ifenprodil 10 mg/kg mimicked the alpha1-adrenoceptor antagonist prazosin 1 mg/kg in that it prolonged the hypnotic response to ethanol (no additive effect when both drugs were given in combination); this is compatible with an involvement of alpha1-adrenoceptors in this effect of ifenprodil. Chronic exposure to ethanol (7%) induced physical dependence. The severity of ethanol withdrawal was suppressed by ifenprodil 1 and 10 mg/kg. In conclusion, ifenprodil influences ethanol-related changes in mouse behaviour and may prove to be useful in the treatment of alcoholism.[1]

References

Ifenprodil influences changes in mouse behaviour related to acute and chronic ethanol administration. Malinowska, B., Napiórkowska-Pawlak, D., Pawlak, R., Buczko, W., Göthert, M. Eur. J. Pharmacol. (1999) [Pubmed]

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