Long-term gene expression profile dynamics following cecal ligation and puncture in the rat

The Journal of Surgical Research
John S A MattickIoannis P Androulakis

Abstract

Despite the fact that the treatment options for septic patients have been significantly improved, the pathophysiologic changes caused by various septic cases have not been well understood. One commonly observed clinical phenomenon is the onset of a polymicrobial infection caused by bacteria that originate in the intestine but enter the peritoneum via translocation from the gut. This triggers a systemic inflammatory response via the innate immune system, which needs to be well characterized. Cecal ligation and puncture (CLP) is considered to be the gold-standard animal model by establishing infection with mixed bacterial flora and necrotic tissue to induce an inflammatory response. The aim of this study is to analyze the long-term gene expression dynamics in the rats subject to CLP in order to characterize the impact of sepsis upon liver function over an 8-d time period. Rats received CLP or its control, sham CLP (SCLP), and then they were sacrificed at 9 am on days 0 (no treatment), 1, 2, 5, and 8 post injury to collect liver samples for microarray analysis. Differentially expressed probe sets in CLP versus SCLP (q value <0.001 and P value <0.001) were combined to form one single matrix, which was then clustered using the appro...Continue Reading

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Citations

Mar 22, 2014·Translational Research : the Journal of Laboratory and Clinical Medicine·Chih-Feng ChianShiou-Ling Liu
Mar 2, 2013·Current Opinion in Critical Care·Michael BauerMichael Trauner
Oct 1, 2017·Experimental and Therapeutic Medicine·Jun-Feng HuQin Gao

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