Inhibitory Effects of Long-Term Administration of Ferulic Acid on Microglial Activation Induced by Intracerebroventricular Injection of β-Amyloid Peptide (1-42) in Mice(Pharmacology)

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Flavonoids and monophenolic compounds have been well described in recent years as antioxidants and scavengers of reactive oxygen and nitrogen species. In the present study, we aimed to characterize the effects of longterm administration of ferulic acid on the centrally administered β-amyloid peptide (A)β)^<1-4>-induced activation of microglial cells in mice. Aβ^<1-42> increased the immunoreactivity of OX-42, a microglial marker, and interferon-γ in the hippocampus at 8 h after the intracerebroventricular injection. The effects were suppressed by long-term (4-week) pretreatment with ferulic acid. This inhibition of microglial cell activation may underlie the beneficial effects of long-term administration of ferulic acid on Aβ^<1-42>-induced toxicity in vivo.
公益社団法人日本薬学会の論文
2004-01-01