Mediators of Inflammation 2013-01-01

Protective effects of polydatin on septic lung injury in mice via upregulation of HO-1.

Xiao-hui Li, Xia Gong, Li Zhang, Rong Jiang, Hong-zhong Li, Meng-jiao Wu, Jing-yuan Wan

Index: Mediators Inflamm. 2013 , 354087, (2013)

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Abstract

The present study was carried out to investigate the effects and mechanisms of polydatin (PD) in septic mice. The model of cecal ligation and puncture (CLP-)induced sepsis was employed. Pretreatment of mice with PD (15, 45, and 100 mg/kg) dose-dependently reduced sepsis-induced mortality and lung injury, as indicated by alleviated lung pathological changes and infiltration of proteins and leukocytes. In addition, PD inhibited CLP-induced serum tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) production, lung cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase isoform (iNOS) protein expressions and NF-κB activation. Notably, PD upregulated the expression and activity of heme oxygenase (HO-)1 in lung tissue of septic mice. Further, the protective effects of PD on sepsis were abrogated by ZnPP IX, a specific HO-1 inhibitor. These findings indicated that PD might be an effective antisepsis drug.

Related Compounds

  • (E/Z)-Polydatin

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