Cited by 84Treatment of Major DepressionTryptophan and brain disordersStress Responses and Cortisol

Resveratrol ameliorates chronic unpredictable mild stress-induced depression-like behavior: involvement of the HPA axis, inflammatory markers, BDNF, and Wnt/β-catenin pathway in rats

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Yang, Xin-hua, Song, Su-Qi, Xu, Yun·2017·Neuropsychiatric Disease and Treatment

Abstract

Classic antidepressant drugs are modestly effective across the population and most are associated with intolerable side effects. Recently, numerous lines of evidence suggest that resveratrol (RES), a natural polyphenol, possesses beneficial therapeutic activity for depression. The aim of the present study was to explore whether RES exhibits an antidepressant-like effect in a depression model and to explore the possible mechanism. A depression model was established via chronic unpredictable mild stress (CUMS), after which the model rats in the RES and fluoxetine groups received a daily injection of RES or fluoxetine, respectively. The sucrose preference test, open field test, and forced swimming test were used to explore the antidepressant-like effects of RES. The activity of the hypothalamic-pituitary-adrenal (HPA) axis was evaluated by detecting the plasma corticosterone concentration and hypothalamic mRNA expression of corticotrophin-releasing hormone. The plasma interleukin-6 (IL-6), C-reactive protein (CRP), and tumor necrosis factor-α (TNF-α) concentrations were measured by enzyme-linked immunosorbent assay. Hippocampal protein expression of brain-derived neurotrophic factor (BDNF) and the Wnt/β-catenin pathway were analyzed by western blot. The results showed that RES relieved depression-like behavior of CUMS rats, as indicated by the increased sucrose preference and the decreased immobile time. Rats that received RES treatment exhibited reduced plasma corticosterone levels and corticotrophin-releasing hormone mRNA expression in the hypothalamus, suggesting that the hyperactivity of the HPA axis in CUMS rats was reversed by RES. Moreover, after RES treatment, the rats exhibited increased plasma IL-6, CRP, and TNF-α concentrations. Furthermore, RES treatment upregulated the hippocampal protein levels of BDNF and the relative ratio of p-β-catenin/β-catenin while downregulating the relative ratio of p-GSK-3β/GSK-3β. Our findings suggest that RES improved depressive behavior in CUMS rats by downregulating HPA axis hyperactivity, increasing BDNF expression and plasma IL-6, CRP, and TNF-α concentrations, and regulating the hippocampal Wnt/β-catenin pathway.

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Authors
Yang, X.-H., Song, S.-Q., & Xu, Y.
Affiliations
Anhui Medical University (CN)
Venue
Neuropsychiatric Disease and Treatment
Published
2017-10
Volume
Volume 13
Pages
2727-2736
ISSN
  • 1176-6328 (ISSN-L)
  • 1178-2021
OpenAlex
W2765999349
Cited by
84
References
58
Citations by year
2026: 5 · 2025: 8 · 2024: 13 · 2023: 6 · 2022: 11 · 2021: 12 · 2020: 12 · 2019: 12 · 2018: 5
FWCI
5.54
Type
journal article
Language
en
Open access
Locations
  • Neuropsychiatric Disease and Treatment (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Dove Medical Press (Taylor and Francis Group) (submittedVersion, cc-by-nc)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
resveratrol, depression, chronic unpredictable mild stress, hypothalamic-pituitary-adrenal axis, corticosterone, corticotropin-releasing factor, inflammation, interleukin-6, C-reactive protein, TNF-α, brain-derived neurotrophic factor, Wnt/β-catenin signaling, GSK3β, hippocampus, antidepressant-like effects, fluoxetine

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