Antagonists of the N-methyl-D-aspartate (NMDA) receptor complex inhibit the development of tolerance to antinociceptive effects of morphine and upon acute administration, influence morphine antinociceptive activity. The analysis of numerous studies investigating acute interaction between NMDA receptor antagonists and morphine in mice indicate a variety of procedural differences and reveal that these compounds may potentiate, attenuate and produce no effect on morphine antinociception. The conditions responsible for such conflicting experimental outcome of acute interaction remain unclear. It appears that the effects of NMDA receptor antagonists on morphine tolerance are not causally related to their acute effects on morphine antinociception.
机构:Beijing Institute of Pharmacology and Toxicology,Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures
Xiao-Qing Hao
Zhi-Yuan Wang
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机构:Beijing Institute of Pharmacology and Toxicology,Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures
Zhi-Yuan Wang
Jian-Min Chen
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机构:Beijing Institute of Pharmacology and Toxicology,Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures
Jian-Min Chen
Ning Wu
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机构:Beijing Institute of Pharmacology and Toxicology,Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures
Ning Wu
Jin Li
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机构:Beijing Institute of Pharmacology and Toxicology,Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures