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      Tetrahydrocannabinol (THC) interferes with conditioned retching in Suncus murinus: an animal model of anticipatory nausea and vomiting (ANV).

      Neuroreport

      Animals, Antimanic Agents, Conditioning (Psychology), drug effects, Dronabinol, pharmacology, Lithium Chloride, Male, Models, Animal, Nausea, chemically induced, drug therapy, Psychotropic Drugs, Shrews, Vomiting, Anticipatory

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          Abstract

          Little is understood about effective countermeasures to the expression of anticipatory nausea and vomiting (ANV) in chemotherapy patients. We present a model of ANV based on the emetic reactions of the Suncus murinus (musk shrew). Following two pairings of a novel distinctive contextual cue with the emetic effects of an injection of lithium chloride, the context acquired the potential to elicit retching in the absence of the toxin. The expression of this conditioned retching reaction was completely suppressed by pretreatment with THC at a dose that did not suppress general activity. This provides the first experimental evidence in support of anecdotal reports that THC suppresses ANV.

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          11277577

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