Abstract
Objective To investigate the protective effects of pentoxifylline on gastric mucosal injury in rats with endotoxemia. Methods 30 Wistar rats were randomly divided into 3 groups : sham operated control group (C group) ,LPS group and PTX group. The serum tumor necrosis factor-α(TNF-α) and interleukin-1β(IL-1β) levels in each group were measured. The immunohistochemistry was used to assess the expression of the ICAM-1 in the gastric mucosal tissues. Results The levels of TNF-α and IL-1β in serum in LPS group were higher than those in C group (P <0.01). The level of ICAM-1 in the gastric mucosal tissues in LPS group was higher than those in sham operated control group(P < 0.01). After FIX treatment, the levels of TNF-α and IL-1β in serum in PTX group were lower than those in LPS group(P < 0.01) and the level of ICAM-1 in the hepatic tissues in PTX group was also lower than those in LPS group(P <0.01). Conclusions TNF-α,IL-1β and ICAM-1 take part in the progress of gastric mucosal inju-ry in rats with endotoxemia. PTX can eliminate the gastric mueesa injury and protect the gastric mucosal tissues by downregulating the levels of TNF-α, IL-1β and ICAM-1. Key words: Pentoxifylline; Endotoxemia; Gastric mucosa; injury; Intercellular adhesion molecule-1
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