Effects of Ulinastatin on myocardial oxidative stress and inflammation in severely burned rats

European Review for Medical and Pharmacological Sciences
F HeG-Y Wang

Abstract

By constructing the severe burns model in rat, we explored the effects of different doses of Ulinastatin (UTI) on protecting myocardium from oxidative stress and inflammatory reaction. The severe burns model in rat was first constructed. Burned rats were intervened with different doses of UTI. Contents of cardiac troponin I (cTnI), Interleukin-1 (IL-1), Interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) in rat serum and heart homogenate were detected by enzyme-linked immunosorbent assay (ELISA). Activities of SOD (superoxide dismutase), CAT (catalase), GSH-Px (glutathione peroxidase), and MDA (malondialdehyde) were detected by commercial kits. The inflammation and pathological changes in rat heart were observed by HE (Hematoxylin-Eosin) staining. Protein expressions of Cox-2, iNOS, NF-κB, Nrf2, and HO-1 in rat myocardium were detected by Western blot. Higher levels of cTnI, IL-1, IL-6, and TNF-α were found in model group than those of control group (p<0.05). Besides, decreased contents of cTnI, IL-1, IL-6, and TNF-α were observed in both UTI 50 ku/kg group and UTI 100 ku/kg group compared with those of model group (p<0.05). Decreased activities of SOD, CAT, and GSH-Px, as well as increased MDA level were observed in mode...Continue Reading

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