Resveratrol induces the expression of interleukin-10 and brain-derived neurotrophic factor in BV2 microglia under

Juhyun Song1, So Yeong Cheon2, Wonsug Jung3

  • 1Department of Anatomy, Yonsei University College of Medicine, Seoul 120-752, Korea. sjh1008@yuhs.ac.

Insights

Resveratrol, an antioxidant, benefits brain injury by regulating microglia. It reduces inflammation and promotes neuroprotection in a hypoxia model, suggesting therapeutic potential for central nervous system disorders.

Area of Science:

  • Neuroscience
  • Immunology
  • Pharmacology

Background:

  • Microglia, the CNS immune cells, can cause neuronal death when overactivated.
  • Regulating microglial activation is a potential therapeutic strategy for central nervous system (CNS) diseases.
  • Hypoxia-induced brain injury involves complex inflammatory responses mediated by microglia.

Purpose of the Study:

  • To investigate the neuroprotective effects of resveratrol on microglia.
  • To examine resveratrol's impact on inflammatory pathways in a hypoxia-induced injury model.
  • To assess resveratrol's influence on microglial function and neurotrophic factor expression.

Main Methods:

  • Utilized the BV2 microglial cell line.
  • Induced hypoxia injury model.
  • Measured mRNA expression of pro-inflammatory (TNF-α) and anti-inflammatory (IL-10) cytokines.
  • Assessed the activation of nuclear factor kappa-light-chain enhancer of activated B cells (NF-κB).
  • Quantified brain-derived neurotrophic factor (BDNF) expression.

Main Results:

  • Resveratrol suppressed pro-inflammatory TNF-α mRNA expression.
  • Resveratrol enhanced anti-inflammatory IL-10 mRNA expression.
  • Resveratrol inhibited NF-κB activation.
  • Resveratrol promoted BDNF expression in BV2 microglia under hypoxic stress.

Conclusions:

  • Resveratrol exhibits anti-inflammatory and neuroprotective effects in microglia.
  • Resveratrol modulates key inflammatory signaling pathways (NF-κB) and cytokine production.
  • Resveratrol may promote beneficial microglial functions in ischemic brain injury, highlighting its therapeutic potential.