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- W2982171504 abstract "We used mouse microglial cells in culture activated by lipopolysaccharide (LPS, 10 ng/ml) to study the anti-inflammatory potential of cannabidiol (CBD), the major nonpsychoactive component of cannabis. Under LPS stimulation, CBD (1-10 μM) potently inhibited the release of prototypical proinflammatory cytokines (TNF-α and IL-1β) and that of glutamate, a noncytokine mediator of inflammation. The effects of CBD were predominantly receptor-independent and only marginally blunted by blockade of CB2 receptors. We established that CBD inhibited a mechanism involving, sequentially, NADPH oxidase-mediated ROS production and NF-κB-dependent signaling events. In line with these observations, active concentrations of CBD demonstrated an intrinsic free-radical scavenging capacity in the cell-free DPPH assay. Of interest, CBD also prevented the rise in glucose uptake observed in microglial cells challenged with LPS, as did the inhibitor of NADPH oxidase apocynin and the inhibitor of IκB kinase-2, TPCA-1. This indicated that the capacity of CBD to prevent glucose uptake also contributed to its anti-inflammatory activity. Supporting this view, the glycolytic inhibitor 2-deoxy-d-glucose (2-DG) mimicked the antioxidant/immunosuppressive effects of CBD. Interestingly, CBD and 2-DG, as well as apocynin and TPCA-1 caused a reduction in glucose-derived NADPH, a cofactor required for NADPH oxidase activation and ROS generation. These different observations suggest that CBD exerts its anti-inflammatory effects towards microglia through an intrinsic antioxidant effect, which is amplified through inhibition of glucose-dependent NADPH synthesis. These results also further confirm that CBD may have therapeutic utility in conditions where neuroinflammatory processes are prominent." @default.
- W2982171504 created "2019-11-01" @default.
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- W2982171504 date "2019-10-24" @default.
- W2982171504 modified "2023-10-15" @default.
- W2982171504 title "Cannabidiol prevents LPS‐induced microglial inflammation by inhibiting ROS/NF‐κB‐dependent signaling and glucose consumption" @default.
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- W2982171504 doi "https://doi.org/10.1002/glia.23738" @default.
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