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

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.

journal_name

Mediators Inflamm

authors

Li XH,Gong X,Zhang L,Jiang R,Li HZ,Wu MJ,Wan JY

doi

10.1155/2013/354087

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

354087

eissn

0962-9351

issn

1466-1861

journal_volume

2013

pub_type

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