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Biomed Res Int ; 2017: 5792621, 2017.
Article in English | MEDLINE | ID: mdl-28626759

ABSTRACT

Toxicity attributed to sertraline has been demonstrated recently in different cell types and also in some organisms. We investigated the effect of sertraline on planarians, which are considered suitable for investigations in neurotoxicology and currently are widely used as an animal model in neuropharmacological studies. Planarians treated with 10 µM sertraline showed a rapid reduction in their spontaneous movement until they became completely motionless and then showed a series of asynchronous paroxysms (seizures) followed by progressive tissue damage, beginning 48 h after the sertraline treatment, and died approximately 72 h later. Our data showed that sertraline does not cause planarian death within the range of therapeutic concentrations; however, behavioral alterations were observed with concentrations that can be considered compatible with therapeutic ones, such as a significant reduction in planarian locomotory activity at 0.4 µM. Treatment with 4 µM sertraline had a significant effect, reducing planarian locomotory activity and increasing the number of asynchronous paroxysms; both effects were significantly maintained even 24 h after the sertraline was withdrawn. These behavioral changes observed at low micromolar concentrations suggest that sertraline might have residual biological consequences for planarians, even after it is withdrawn.


Subject(s)
Behavior, Animal/drug effects , Planarians , Seizures/chemically induced , Seizures/physiopathology , Sertraline/toxicity , Animals , Dose-Response Relationship, Drug , Seizures/pathology
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