DOI QR코드

DOI QR Code

Anti-neuroinflammatory Effect of Plantago Major var. Japonica in BV-2 Microglial Cells

  • Kang, Hyun (Department of Medical Laboratory Science, College of Health Science, Dankook University)
  • 투고 : 2017.09.26
  • 심사 : 2017.11.21
  • 발행 : 2017.12.31

초록

To evaluate the protective effects of Plantago Major extract (PME) in stimulated BV-2 microglial cells and its anti-oxidant properties, cell viability assessment was performed by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay. Lipopolysaccharide (LPS) was used to activate BV-2 microglia. Nitric oxide (NO) levels were measured using Griess assay. Tumor necrosis factor-alpha (TNF-${\alpha}$) production was evaluated by enzyme-linked immunosorbent assay (ELISA). Antioxidant properties were evaluated by 1, 1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging assay. LPS-activated excessive release of NO in BV-2 cells was significantly inhibited by PME (P < 0.001 at $100{\mu}g/mL$). PME also scavenged DPPH radicals in a dose-dependent manner (P < 0.05 at $10{\mu}g/mL$ and P < 0.001 at $20{\sim}200{\mu}g/mL$). These results indicate that PME attenuated neuroinflammatory responses in LPS-activated BV-2 microglia by inhibiting excessive production of pro-inflammatory mediators such as NO and TNF-${\alpha}$. The anti-neuroinflammatory potential of PME may be related to its strong antioxidant properties.

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참고문헌

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