Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 68, Issue 7, Pages 1808-1815Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.9b01970
Keywords
polyphenols; depression; resilience; BDNF; inflammation
Funding
- National Center for Complementary and Integrative Health (NCCIH) [P50 AT008661-01]
- Office of Dietary Supplements (ODS)
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Major depressive disorder (MDD) is associated with stress-induced immune dysregulation and reduced brain-derived neurotrophic factor (BDNF) levels in sensitive brain regions associated with depression. Elevated levels of proinflammatory cytokines and reduced BDNF levels lead to impaired synaptic plasticity mechanisms that contribute to the pathophysiology of MDD. There is accumulating evidence that the administration of polyphenols at doses ranging from 5 to 180 mg/kg of body weight can normalize elevated levels of proinflammatory cytokines and abnormal levels of BDNF and, thus, restore impaired synaptic plasticity mechanisms that mediate depressive behavior in animal models of stress. This review will focus on the mechanisms by which grape-derived polyphenols normalize impaired synaptic plasticity and reduce depressive behavior in animal models of stress.
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