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Abstract Title:

Hesperidin attenuates depression-related symptoms in mice with mild traumatic brain injury.

Abstract Source:

Life Sci. 2018 Nov 15 ;213:198-205. Epub 2018 Oct 21. PMID: 30352242

Abstract Author(s):

Morteza Kosari-Nasab, Ghaffar Shokouhi, Amir Ghorbanihaghjo, Mehran Mesgari Abbasi, Ali-Akbar Salari

Article Affiliation:

Morteza Kosari-Nasab

Abstract:

AIMS: There is increasing evidence showing that mild traumatic brain injury (mTBI) is associated with increased depression-related disorders in humans. Recent studies suggest that dietary intake or supplementation of natural flavonoids like hesperidin can be used for therapy of patients with brain injury and depression. However, the exact mechanisms by which hesperidin indicates its neuroprotective effects are not fully understood. The purpose of this study was to explore the influence of hesperidin on depression-related symptoms in a mouse model of mTBI, and that what mechanisms are primarily involved in the antidepressant effects of this bioflavonoid.

MAIN METHODS: Ten days after mTBI-induction, mice received oral hesperidin treatment (50 mg/kg/14 days), then animals were subjected to different depression tests including sucrose preference test, forced swim test, novelty-suppressed feeding test, and tail suspension test. We also measured levels of tumor necrosis factor (TNF)-α, interleukin-(IL)-1β, malondialdehyde (MDA), and brain-derived-neurotrophic-factor (BDNF) in the hippocampus.

KEY FINDINGS: Our results show that mTBI induction induced depressive-like behaviors in mice by increasing inflammatory cytokines (IL-1β and TNF-α) and oxidative stress marker (MDA), and reducing BDNF levels in the hippocampus. Interestingly, hesperidin treatment was effective to significantly reduce depression-related symptoms in mTBI-induced mice. In addition, hesperidin decreased the levels of IL-1β, TNF-α and MDA, and increased BDNF levels in the hippocampus. The major strength of our study is that four behavioral tests gave similar results.

SIGNIFICANCE: This study suggests that the antidepressant-like effect of hesperidin may be mediated, at least in part, by decreased neuroinflammation and oxidative damage, and enhanced BDNF production in the hippocampus.

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Sayer Ji
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