PMID: 22327753Feb 14, 2012Paper

Ligustrazine attenuates acute lung injury induced by blunt chest trauma

Saudi Medical Journal
Qing-Tao MengXiangdong Chen

Abstract

To investigate the effects of ligustrazine on acute lung injury induced by blunt chest trauma. This study was performed in the Animal Center of Renmin Hospital of Wuhan University, Wuhan, China between September 2009 and September 2010. Male Sprague-Dawley rats were randomly allocated into 4 groups: sham control group (group C, n=60), ligustrazine treatment group (group C+L, n=60), blunt chest trauma model group (group T, n=60), and the trauma plus ligustrazine treatment group (group T+L, n=60). The lung contusion was induced as previously described. Animals of the T+L group were intraperitoneally injected with ligustrazine. Acute lung injury was evaluated by histopathology of the lung, and apoptosis was determined by terminal dUTP nick-labeling. Pulmonary edema was estimated using Evans blue dye extravasation and wet/dry ratios of lung tissue. The expression of caspase-3, Bcl-2, and Bax in the lung, as well as blood plasma tumor necrosis factor (TNF)-alpha were also measured. The ligustrazine treatment significantly attenuated lung injury induced by blunt chest trauma, as shown by decreased apoptosis index, and pulmonary edema (p=0.04). The blood plasma TNF-alpha level after blunt chest trauma significantly deceased after the ...Continue Reading

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