Gastrodin Inhibits Expression of Inducible NO Synthase, Cyclooxygenase-2 and Proinflammatory Cytokines in Cultured LPS-Stimulated Microglia via MAPK Pathways
2011

Gastrodin Reduces Inflammation in Microglial Cells

publication Evidence: moderate

Author Information

Author(s): Dai Ji-Nan, Zong Yi, Zhong Lian-Mei, Li Yue-Min, Zhang Wei, Bian Li-Gong, Ai Qing-Long, Liu Yi-Dan, Sun Jun, Lu Di

Primary Institution: Kunming Medical University

Hypothesis

The study investigates how gastrodin affects the expression of pro-inflammatory proteins in microglial cells stimulated with lipopolysaccharide (LPS).

Conclusion

Gastrodin significantly reduces the levels of neurotoxic pro-inflammatory mediators in microglial cells by inhibiting the NF-κB signaling pathway and phosphorylation of MAPKs.

Supporting Evidence

  • Gastrodin significantly inhibited the expression of iNOS and COX-2 in LPS-stimulated BV-2 cells.
  • Pre-treatment with gastrodin reduced the production of pro-inflammatory cytokines TNF-α and IL-1β.
  • Gastrodin blocked the phosphorylation of IκB-α and CREB, which are involved in the NF-κB signaling pathway.
  • The study suggests that gastrodin has potential as an anti-inflammatory drug candidate in neurodegenerative diseases.

Takeaway

Gastrodin, a compound from a Chinese herb, helps calm down brain cells that get too excited and cause inflammation, which can be harmful.

Methodology

BV-2 microglial cells were pretreated with gastrodin and then stimulated with LPS to assess the expression of pro-inflammatory proteins and cytokines.

Limitations

The study was based on a single time point, and the effects of LPS and gastrodin may develop over time.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021891

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