The aim of this study was to test the impact of pre and/or postnatal exposition to asenapine on mice offspring behavior. Four groups of animals, previously treated with a dosage equivalent to 50% of the bioavailability obtained with a 20 mg daily use for human treatment, were exposed to the Open Field and Elevated plus Maze test. Only the group exposed to asenapine during both pre and postnatal periods showed response difference in the Elevated Plus Maze test, which was restricted to urination. However, our data suggest that the administration of asenapine does not induce significant anxiety-like behaviors in mice.
With this performed experiment with the "no-de-cachorro" extract, it was possible to understand a little more how this root can act in relation to anxiety, as predicted by the pharmacology that validates the animal models; anxiolytic components decrease anxiety-related behaviors, as shown in the variables of entry numbers in the open arm, time on the same side of the field, less avoidance and escape. However, it seems that the time of exposure to the extract does not modify the performance in the tests, observing until an apparent exhaustion of the anxiolytic action, which evidences the need for more specific studies on the possible effects of the extract.
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