We estimated the efficacy of Brizantin preparation in suppressing nicotine dependence in rats. It was shown that nicotine-dependent rats in the situation of choice between the chamber with smoke or the chamber with food more frequently entered the chamber with tobacco smoke and stayed there longer. The rats that received Brizantin demonstrated significantly fewer visits to the chamber with smoke and spent there less time. Reduced locomotor activity and orientation and exploratory behavior in rats against the background of Brizantin administration also suggest reduced motivation for smoke inhalation. Thus, Brizantin effectively diminished nicotine dependence in rats in the model of nicotine addiction.
We studied the effect of morphine hydrochloride, brain-specific S100 protein, and antibodies to morphine, S100 protein, and opiate mu-receptors in ultralow doses on self-stimulation of the lateral hypothalamus in morphinized rats. This reaction in morphine-withdrawn rats underwent specific changes after single administration of test preparations. Repeated treatment with preparations in the same dose equalized emotional homeostasis. This effect was especially pronounced after treatment with antibodies to morphine, S100 protein, and opiate mu-receptors. Our findings should be taken into account in developing methods for non-narcotic substitutive therapy of patients with morphine dependence.
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