期刊
PHARMACOLOGY BIOCHEMISTRY AND BEHAVIOR
卷 230, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pbb.2023.173590
关键词
Ketamine; Retigabine; Major depressive disorder; Forced swim test
The addition of retigabine as an adjunctive treatment enhances the antidepressant effect of ketamine, allowing for a lower dose of ketamine to be effective in the forced swim test. Simultaneous administration of retigabine with ketamine significantly improves the duration and effectiveness of ketamine's antidepressant effect.
Ketamine has been increasingly used as a rapid-onset antidepressant in specific clinical settings. However, as a psychedelic reagent, the potential of physical and psychological dependence limits its clinical use. Here, we added retigabine, a KCNQ channel opener, as an adjunctive treatment to observe its effect on ketamine's antidepressant property in a forced swim test in both male and female C57BL/6 J mice. Behavioral data demonstrated that intraperitoneal injection of ketamine exhibited a dose-dependent effect on animals' immobility performance in the forced swim test. Adding retigabine was sufficient to induce a remarkable antidepressant effect in mice treated with a relatively lower dose of ketamine which failed to be antidepressant when administrated separately. When simultaneously gave retigabine, ketamine's antidepressant effect in the forced swim test was significantly enhanced with a prolonged effective duration. Together, these results from both male and female mice indicated that adjunctive treatment with retigabine was an alternative to promote the antidepressant effect of ketamine, thus holding the possibility of encountering its possible physical and psychological dependence.
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