Grape seed proanthocyanidin extract inhibits glutamate-induced cell death through inhibition of calcium signals and nitric oxide formation in cultured rat hippocampal neurons
2011

Grape Seed Extract Protects Neurons from Damage

Sample size: 27 publication Evidence: moderate

Author Information

Author(s): Ahn Seo-Hee, Kim Hee Jung, Jeong Imju, Hong Yi Jae, Kim Myung-Jun, Rhie Duck-Joo, Jo Yang-Hyeok, Hahn Sang June, Yoon Shin Hee

Primary Institution: The Catholic University of Korea

Hypothesis

Does grape seed proanthocyanidin extract (GSPE) inhibit glutamate-induced excitotoxicity in cultured rat hippocampal neurons?

Conclusion

Grape seed proanthocyanidin extract inhibits neurotoxicity caused by low magnesium levels and oxygen glucose deprivation by blocking calcium signals and nitric oxide formation.

Supporting Evidence

  • GSPE significantly inhibited glutamate-induced calcium increases in a concentration-dependent manner.
  • GSPE reduced neuronal cell death caused by low magnesium and oxygen glucose deprivation.
  • GSPE blocked nitric oxide formation induced by glutamate and low magnesium.

Takeaway

Grape seed extract helps protect brain cells from damage caused by too much glutamate, which can happen during stress or injury.

Methodology

The study used cultured rat hippocampal neurons to test the effects of GSPE on calcium signaling and nitric oxide formation.

Participant Demographics

Cultured rat hippocampal neurons

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2202-12-78

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