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- W2324573651 abstract "There is a great need for relevant animal models for investigating the effects of putative pro-cognitive compounds. Compounds that impair learning and/or memory processes without inducing adverse side effects are cognition impairers. Rats and mice with cognitive deficits induced by the prototypical N-methyl-d-aspartate (NMDA) receptor antagonist MK-801 may provide a relevant animal model based on the mechanistic approach of blocking NMDA/glutamatergic signaling. Unfortunately, the dose range over which MK-801 induces cognitive impairment without causing sensory, locomotor, or toxicological side effects is small. We provide an overview of the effects of MK-801 in different cognitive tasks and assessed whether MK-801 reliably affects the cognitive performance of mice or rats in the spatial Morris task, T-maze alternation tasks, and non-spatial passive avoidance, social, and object recognition tasks. MK-801 disrupted or retarded memory acquisition in all tasks. The Morris task, once acquired, was insensitive to MK-801 at a dose up to 0.1 mg kg−1 body weight. Retention deficits in the passive avoidance tests were not likely to be due to MK-801-induced changes in shock sensitivity, as measured by a shock threshold test. On the basis of published evidence and the present findings, we conclude that MK-801, administered s.c. or i.p. into rodents in doses up to 0.1 mg kg−1, appears to fulfill the criteria of our definition of a cognition impairer in rodents, without causing sensorimotor impairments and/or signs of intoxication. In addition, MK-801-treated rodents appear to fulfill the criteria of a valid animal model of cognitive dysfunctions, with robust effects across species, housing conditions, and testing paradigms." @default.
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- W2324573651 date "2013-10-01" @default.
- W2324573651 modified "2023-09-27" @default.
- W2324573651 title "P.1.h.028 Selective antagonism at CRF1 receptor as a novel pharmacological treatment for binge-type eating disorders" @default.
- W2324573651 doi "https://doi.org/10.1016/s0924-977x(13)70404-8" @default.
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