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Message: [QUOTE="greenmedinfo, post: 4827"] PMID: Behav Brain Res. 2020 10 1 ;395:112863. Epub 2020 Aug 17. PMID: 32818537 Abstract Title: Antidepressant-like effects of solidagenone on mice with bacterial lipopolysaccharide (LPS)-induced depression. Abstract: BACKGROUND: Considering the pharmacological potential of solidagenone from Solidago chilensis, the present investigation was carried out to evaluate its antidepressant-like effect in mice with bacterial lipopolysaccharide (LPS)-induced depressive like behavior and its mode of action through the measurement of neuroinflammatory and oxidative markers.MATERIALS AND METHODS: In the prophylactic test, the mice were pretreated with solidagenone (1, 10 or 100 mg/kg, p.o) and after one hour received LPS. In therapeutic test, the mice received LPS and after 5 h were treated with solidagenone (1, 10 or 100 mg/kg, p.o). In both experimental approaches, the animals were submitted to OFT and to the TST after 6 and 24 h of the LPS administration, respectively. One hour after the TST the animals were euthanized, the blood was collected, the cortex was removed and biochemical analyzes were performed for measurement of the inflammatory and oxidative stress markers.RESULTS: The LPS induced sickness- and depressive-like behaviors and increased the cortical activity of myeloperoxidase (MPO), as well as the IL-6 and TNF amount. Interestingly, the pretreatment with solidagenone at 100 mg/kg avoided the behavioral alterations in OFT. In the mice post treated with solidagenone, all tested doses of resulted in an antidepressant-like effect evidenced by the decrease in immobility time in the TST. This effect was accompanied by a decrease in the MPO activity and in the IL-6 and TNF levels in the cortex in parallel to the increase in catalase activity.CONCLUSIONS: The solidagenone has a promissor antidepressant-like potential, which can result of its beneficial action in the neuroinflammation process and due its antioxidant capability at the central nervous system. [URL='https://www.greenmedinfo.com/article/antidepressant-effects-solidagenone-mice-bacterial-lipopolysaccharide-lps-indu']read more[/URL] [/QUOTE]

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