Drug-, dose- and sex-dependent effects of chronic fluoxetine, reboxetine and venlafaxine on open-field behavior and spatial memory in rats (2015)
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Type of Content
Journal ArticlePublisher
ELSEVIER SCIENCE BVISSN
0166-43281872-7549
Language
EnglishCollections
- Science: Journal Articles [1099]
Abstract
© 2014 Elsevier B.V. In an effort to address the need to include both sexes in studies of effects of the SSRI fluoxetine, the NRI reboxetine and the SNRI venlafaxine on anxiety-related behavior and memory along with the use of chronic drug administration, male and female PVG/c rats were fed diets containing two doses of each drug for 21 days. The rats' anxiety level was then assessed in an open field. Short-term spatial memory for a brightness change in a Y maze was also measured. While there was little evidence of anxiolytic effects of any of the drugs, both fluoxetine and, to a l esser extent, venlafaxine appeared to be mainly anxiogenic in their action depending on both dose and sex. Reboxetine was relatively ineffective in this respect. Ability to locate the Y-maze arm that had changed (from white to black) seemed to be impaired for male (but not female) rats by both fluoxetine and venlafaxine and, to a much lesser extent, by reboxetine. Given the relative ineffectiveness of reboxetine in either test, it is possible that the effects of the other two drugs on both anxiety and memory were mainly due to their serotonin reuptake inhibiting properties. The differences that occurred between males and females in responsiveness to all three drugs supported the long-held view that both sexes should be investigated in studies of this sort, especially in view of reports of sex differences in effects of clinically prescribed antidepressants.
Citation
Gray VC, Hughes RN (2015). Drug-, dose- and sex-dependent effects of chronic fluoxetine, reboxetine and venlafaxine on open-field behavior and spatial memory in rats. Behavioural Brain Research. Volume 281, 15 March 2015, Pages 43-54This citation is automatically generated and may be unreliable. Use as a guide only.
Keywords
Science & Technology; Life Sciences & Biomedicine; Behavioral Sciences; Neurosciences; Neurosciences & Neurology; Fluoxetine; Reboxetine; Venlafaxine; Rats; Anxiety; Spatial memory; FORCED SWIMMING TEST; REUPTAKE INHIBITOR REBOXETINE; ANXIETY-RELATED BEHAVIOR; ELEVATED PLUS-MAZE; MAJOR DEPRESSION; DOUBLE-BLIND; ANTIDEPRESSANT DRUGS; HEALTHY-VOLUNTEERS; GENDER-DIFFERENCES; HOODED RATSANZSRC Fields of Research
32 - Biomedical and clinical sciences::3214 - Pharmacology and pharmaceutical sciences::321402 - Clinical pharmacology and therapeutics31 - Biological sciences::3109 - Zoology::310906 - Animal neurobiology
17 - Psychology and Cognitive Sciences::1701 - Psychology::170101 - Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology)
11 - Medical and Health Sciences::1109 - Neurosciences
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