PMID: 11930237Apr 4, 2002Paper

Interleukin-1beta expression and phospholipase A(2) activation after intestinal ischemia/reperfusion injury

Sheng li xue bao : [Acta physiologica Sinica]
Guang-Tao YanLi-Ping Shi

Abstract

The experiments were carried out to explore the interactions between IL-1 beta gene expression, protein level and phospholipase A(2) PLA(2) inhibition after intestinal ischemia/reperfusion injury. Using a rat intestinal ischemia/reperfusion injury model, after collecting the serum, lung lavage, abdomen cavity lavage and important organ tissue samples from control, injury and PLA(2) inhibitor treated groups, IL-1 beta level was measured by radioimmunoassay, and the mRNA expression of IL-1 beta and type II PLA (2)was determined by RT-PCR. After 6 h of injury, the IL-1 beta level in serum was significantly higher than that in the control group; an increase in IL-1 beta was also observed in abdomen cavity lavage 1 or 3 h after injury. IL-1 beta was significantly increased in liver tissue after injury, but was not changed obviously in the lung, kidney and intestinal tissues. IL-1 beta in the lung lavage was significantly higher than that of control group. The mRNA expression of IL-1 beta in lung tissue was increased after injury, but type II PLA(2) mRNA expression was decreased. There were different changes in IL-1 beta level and gene expression after treatment with PLA(2) inhibitor chloroquine, cyclo-oxidase inhibitor indomethacin,...Continue Reading

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