Chronic fluoxetine treatment attenuates post-septic affective changes in the mouse

Sean T Anderson, Sean Commins, Paul Moynagh, Andrew N Coogan

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


It has been previously demonstrated that the induction of sepsis in rodents results in persistent impairments in affective and cognitive domains. In this study we have examined the impact of chronic treatment with the antidepressant fluoxetine on affective behaviours and hippocampal neuroinflammation and stem cell proliferation in animals that have previously undergone sepsis induced by peripheral treatment with lipopolysaccharide. We find that fluoxetine significantly attenuates post-septic increases in behavioural despair and motivated exploration, whilst also reversing the effects of previous sepsis on activated microglia and stem cell proliferation. These results indicate that conventional antidepressants may be effective in the management of mood disorders in survivors of sepsis.

Original languageEnglish
Pages (from-to)112-115
JournalBehavioural Brain Research
Early online date09 Oct 2015
Publication statusPublished - 15 Jan 2016


  • Affect
  • Animals
  • Antidepressive Agents
  • CA1 Region, Hippocampal
  • Calcium-Binding Proteins
  • Dentate Gyrus
  • Disease Models, Animal
  • Early Growth Response Protein 1
  • Exploratory Behavior
  • Fluoxetine
  • Immunohistochemistry
  • Lipopolysaccharides
  • Male
  • Mice, Inbred C57BL
  • Microfilament Proteins
  • Microglia
  • Motor Activity
  • Neural Stem Cells
  • Neurogenesis
  • Neuroimmunomodulation
  • Sepsis
  • Journal Article
  • Research Support, Non-U.S. Gov't


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