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  • Title: [Changes in tumor necrosis factor-alpha mRNA expression in peripheral polymorphonuclear leukocyte and tissues during posttraumatic sepsis].
    Author: Xi JC, Ma YZ, Zhou BT, Lin HY, He ZJ, Zhang XH, Fu XB, Sheng ZY.
    Journal: Zhongguo Wei Zhong Bing Ji Jiu Yi Xue; 2006 Jan; 18(1):28-31. PubMed ID: 16464382.
    Abstract:
    OBJECTIVE: To evaluate the changes in tumor necrosis factor-alpha (TNF-alpha) mRNA expression in peripheral polymorphonuclear leukocyte (PMNs) and tissues after cecal ligation puncture (CLP) in rats. METHODS: Reverse transcription-polymerase chain reaction (RT-PCR) was used to detect TNF-alpha mRNA expression in peripheral PMNs and tissues. RESULTS: The TNF-alpha mRNA expression in peripheral PMNs rose gradually after CLP, and it began to decrease after reaching the peak at 48 hours, but it was still higher than normal. The elevation of TNF-alpha mRNA expression was first limited in the regional tissues (P<0.01 at 12 hours after CLP and peaked at 24 hours in the intestine), then it entered the blood circulation later to affect the sensitive organs--lungs and livers (P<0.01 at 24 hours after CLP and peaked at 48 hours in the lung; P<0.05 at 24 hours after CLP and peaked at 48 hours in the liver). CONCLUSION: The rise of TNF-alpha mRNA expression plays an important role in pathogenesis of sepsis.
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