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Naunyn Schmiedebergs Arch Pharmacol. 2010 Dec;382(5-6):409-17. doi: 10.1007/s00210-010-0535-4. Epub 2010 Sep 2.

Moclobemide exerts anti-inflammatory effect in lipopolysaccharide-activated primary mixed glial cell culture.

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  • 1Department of Pharmacology, Medical University of Silesia, Medyków 18, 40-752, Katowice, Poland. amb2@vp.pl

Abstract

An increasing body of evidence indicates that glial activation and neuroinflammation play an important role in the pathogenesis of psychiatric and neurodegenerative diseases. Activated glial cells secrete various cytokines that influence neurotransmission, hypothalamus-pituitary-adrenal axis activity, neuronal plasticity and neurogenesis. It has been suggested that alterations in cytokine networks are involved in the mechanism of action of antidepressant drugs. Until now, only a few studies demonstrated that some tricyclic antidepressants and selective serotonin reuptake inhibitors reduced production of pro-inflammatory cytokines in brain glia cells. We have investigated for the first time whether the antidepressant, moclobemide (a reversible selective inhibitor of monoamine oxidase-A) has an influence on pro-inflammatory cytokines [interleukin (IL)-1β and tumor necrosis factor (TNF)-α] and anti-inflammatory cytokine (IL-10) in primary rat mixed glial cell cultures stimulated by lipopolysaccharide (LPS). Our results showed that moclobemide used in a wide range of concentrations diminished LPS-stimulated IL-1β and TNF-α mRNAs expression in cellular extracts and remarkably reduced the levels of both pro-inflammatory cytokines in culture medium. In opposite to this, the drug had no influence on IL-10 mRNA and slightly reduced IL-10 concentration. Moreover, moclobemide decreased LPS-stimulated translocation of NFκB p65 subunit into cellular nuclei. These results suggest that moclobemide exerts anti-inflammatory effect in the central nervous system because it affects the balance between pro- and anti-inflammatory cytokines (IL-1β, TNF-α/IL-10) in primary mixed glial cell cultures.

PMID:
20811738
[PubMed - indexed for MEDLINE]
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