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Parthenolide inhibits the initiation of experimental autoimmune neuritis

A growing body of evidence suggests the anti-inflammatory and antitumor effects of parthenolide (PAR). Here we show that PAR treatment inhibits the initiation of experimental autoimmune neuritis (EAN), suppresses the production of TNF-α, IFN-γ, IL-1β and IL-17, and decreases Th1 and Th17 cells at early time point. However, such anti-inflammatory effect vanishes later and PAR impedes the recovery of EAN in late phase, which is accompanied with inhibited apoptosis of inflammatory cells. Our results indicate that PAR plays dual roles in EAN and it is not proper to be applied in autoimmune diseases of nervous system.

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S2341 (-)-Parthenolide (-)-Parthenolide, an inhibitor of the Nuclear Factor-κB Pathway, specifically depletes HDAC1 protein without affecting other class I/II HDACs; Also promotes the ubiquitination of MDM2 and activates p53 cellular functions.

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MDM2/MDMX HDAC p53 NF-κB