Study summary · research use only
Peptide Selank Enhances the Effect of Diazepam in Reducing Anxiety in Unpredictable Chronic Mild Stress Conditions in Rats
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
In this rat study, researchers examined the anxiolytic peptide Selank combined with diazepam under unpredictable chronic mild stress and non-stress conditions using the elevated plus maze test, following individual and combined administration. The abstract reports that even without chronic stress, a course of test substances was associated with worsened anxiety indicators, though changes were less pronounced after a course of Selank alone. Under chronic stress conditions, anxiety indicator values after combined diazepam and Selank administration did not differ from values observed before stress exposure. The authors report that individual Selank administration was associated with the greatest reduction in anxiety elevated by the test substance course, while the diazepam-Selank combination was associated with the greatest reduction in anxiety under unpredictable chronic mild stress conditions.
Abstract
It was shown that the anxiolytic effect of Selank is comparable to that of classical benzodiazepine drugs and that the basis of their mechanism of action may be similar. These data suggest that the presence of Selank may change the action of classical benzodiazepine drugs. To test this hypothesis, we evaluated the anxiolytic activity of Selank and diazepam in rats both under conditions of unpredictable chronic mild stress and in its absence, after the individual and combined administration of these compounds using the elevated plus maze test. We found that, even in the absence of chronic stress, the administration of a course of test substances changed anxiety indicators toward their deterioration, but the changes after the administration of a course of Selank were less pronounced. In conditions of chronic stress, anxiety indicator values after the simultaneous use of diazepam and Selank did not differ from the respective values observed before chronic stress exposure. The data obtained indicate that the individual administration of Selank was the most effective in reducing elevated levels of anxiety, induced by the administration of a course of test substances, whereas the combination of diazepam with Selank was the most effective in reducing anxiety in unpredictable chronic mild stress conditions.
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