Abstract
Ginkgo biloba extract EGb 761 possesses a variety of biological effects and has been proved to be beneficial in Alzheimer's disease. This study aimed to explore the anti-inflammatory mechanisms of EGb 761 on the Aβ1-42-induced BV-2 microglial cells. We analyzed the production and gene expression of proinflammatory cytokines by enzyme-linked immunosorbent assay and qRT-PCR, examined phosphorylation of MAPKs by western blot and measured nuclear factor-κB nuclear translocation. Compared with Aβ1-42-treated group, EGb 761 inhibited release and gene expression of tumor necrosis factor-α and interleukin-1β, suppressed nuclear translocation of nuclear factor-κB and attenuated phosphorylation of p38 MAPK in a concentration-dependent manner, but not ERK and JNK. In summary, the results suggested that EGb 761 could attenuate Aβ1-42-induced neuroinflammatory response.
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