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- W3032793414 abstract "Objective To study the expression of cyclooxygenase-2(COX-2)in hepatic inflammatory reaction and the effects of COX-2 on immunologic function of rats with sepsis.Methods Fifty-four Wistar rats were divided into sham group(n=6),sepsis group(n=24),and NS-398 intervention group(n=24).All rats were subjected to cecal ligation and puncture or sham operation.The expression of COX-2 mRNA in rat hepatic tissue was determined by RT-PCR,serum levels of IL-6,IL-10 and TNF-α were detected by ELISA,and percentage changes of CD4+,CD8+ cells by flow eytometry.The pathological changes of liver were observed at the same time.Results (1)Severe pathologic injuries of liver were observed in sepsis group,while not in NS-398 intervention group.(2)The expression of COX-2 mRNA was up-regulated in sepsis group and NS-398 intervention group,and the expression value was higher in sepsis group than that in NS-398 intervention group.The expression of COX-2 mRNA was the lowest in sham group.(3)The level of IL-6 was higher in sepsis group than that in sham group and NS-398 intervention group(F=125.582,134.712,54.760,121.441,P＜0.05).(4)The level of IL-10 was higher in NS-398 intervention group than that in sham group and sepsis group(F=39.064,34.382,51.115,8.174,P＜0.05).(5)The levels of TNF-α in sepsis group and NS-398 intervention group were increased,and the difference between the 2 groups had no statistical significance(x2=5.600,6.162,7.136,7.200,P＞0.05).(6)The ratio of CD4+to CD8+ was higher in NS-398 group than that in sepsis group(F=17.448,15.055,30.068,64.210,P＜0.05).Conclusions COX-2 plays an important role in the development of sepsis by changing the dynamic equilibrium between pro-inflammatory and anti-inflammatory cytokine and that between CD4+and CD8+.Key words: Sepsis; Cyclooxygenase-2" @default.
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- W3032793414 date "2008-04-20" @default.
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- W3032793414 title "Effects of cyclooxygenase-2 on immunologic function of rats with sepsis" @default.
- W3032793414 doi "https://doi.org/10.3760/cma.j.issn.1673-9752.2008.02.015" @default.
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