Ulinastatin-mediated protection against zymosan-induced multiple organ dysfunction in rats

Biologicals : Journal of the International Association of Biological Standardization
Qiuping YangYinghui Guan

Abstract

The purpose of this study was to evaluate the potential organ-protective activity of ulinastatin (a urinary trypsin inhibitor) and to investigate the underlying mechanism(s) in a rat model of multiple organ dysfunction syndrome (MODS). When adult Wistar rats were challenged intraperitoneally with yeast polysaccharide (zymosan), they developed biochemical and histological abnormalities similar to those seen in human MODS as compared with the controls. Among these abnormalities were: 1) significant increases in serum concentrations of tumor necrosis factor-alpha (TNF-alpha) and soluble intercellular adhesion molecule-1 (sICAM-1); 2) aberrant values in the liver and kidney function tests; and 3) presence of evident pathology in the major organs (i.e. liver, kidney and lung). In addition, zymosan challenge resulted in an increase in toll-like receptor-4 (TLR4) mRNA abundance in all three organs tested. Ulinastatin treatment significantly decreased the zymosan-induced elevation in serum concentrations of TNF-alpha and sICAM-1 and tissue abundance of TLR mRNA in the liver, kidney and lung, effectively attenuated the development of the polysaccharide-induced biochemical and histological abnormalities and successfully reduced the MODS-...Continue Reading

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Citations

Nov 14, 2015·Journal of Basic and Clinical Physiology and Pharmacology·Sarjana S Atal, Shubham Atal
Jan 13, 2015·Experimental and Therapeutic Medicine·Xiaoyun LiZiqing Hei
Jan 1, 2013·World Journal of Emergency Medicine·Xiao-Xiao MengYong-Bin Qian
Oct 12, 2021·Experimental and Therapeutic Medicine·Chen-Chen HangShuo Wang

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