Fluoxetine increases the content of neurotrophic protein S100beta in the rat hippocampus
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Updated: Oct 7, 2026

Electroconvulsive Seizures in Rats and Fractionation of Their Hippocampi to Examine Seizure-induced Changes in Postsynaptic Density Proteins
Published on: August 15, 2017
1Department of Psychiatry, The Psychiatric Institute, University of Illinois at Chicago, 1601 West Taylor Street, MC912, Chicago, IL60612, USA.
Abstract:
Recent studies indicate that a protracted daily administration of the antidepressant fluoxetine to adult rats increases cell proliferation/neurogenesis in the hippocampus. It has been hypothesized that this action of fluoxetine might be mediated by neurotrophic factors. We hypothesized that glial S100beta could be such a factor, and using quantitative Western immunoblotting, we investigated the effect of a 21-day treatment of rats with fluoxetine (5 mg/kg), and found that fluoxetine increases the content of hippocampal S100beta.
