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Protective effects of tenuigenin on Staphylococcus aureus-induced pneumonia in mice.

Protective effects of tenuigenin on Staphylococcus aureus-induced pneumonia in mice.
Author Information (click to view)

Yu B, Qiao J, Shen Y, Li L,


Yu B, Qiao J, Shen Y, Li L, (click to view)

Yu B, Qiao J, Shen Y, Li L,

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Microbial pathogenesis 2017 07 12() pii S0882-4010(17)30512-0
Abstract

Pneumonia is the leading cause of death in infants and young children. Staphylococcus aureus (S.aureus) is one of the most important bacteria that leads to pneumonia. Tenuigenin (TGN), a major active component isolated from the root of the Chinese herb Polygala tenuifolia, has been known to have anti-inflammatory effect. In this study, we aimed to investigate the protective effects of TGN on S.aureus-induced pneumonia in mice. The results showed that TGN significantly attenuated S.aureus-induced lung histopathological changes. TGN also inhibited lung wet/dry (W/D) ratio, and inflammatory cytokines TNF-α and IL-1β production. Furthermore, S.aureus-induced NF-κB activation was significantly inhibited by the treatment of TGN. In conclusion, the results of this study showed that TGN protected against S.aureus-induced pneumonia by inhibiting NF-κB activation. TGN might be a potential agent in the treatment of pneumonia induced by S.aureus.

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