Effect of Carbon Monoxide-Releasing Molecules II-liberated CO on Suppressing Inflammatory Response in Sepsis by Interfering with Nuclear Factor Kappa B ActivationReportar como inadecuado




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Sepsis continues to be a challenge in clinic. The rates of mortality in sepsis patients remain high. The present study aimed to investigate the effects and the underlying mechanisms of carbon monoxide-releasing molecules II CORM-2-liberated CO on suppressing inflammatory response in sepsis. It was shown that treatment of septic mice with CORM-2 attenuated PMN accumulation, downregulated cytokines production, inhibited expressions of iNOS and NF-κB activity in the lung and liver. In parallel, CORM-2 prevented activation of NF-κB in LPS-stimulated HUVEC. This was accompanied by a decrease in ROS and NO production, expression of ICAM-1 and subsequent PMN adhesion to HUVEC. These findings demonstrated that CORM-released CO attenuates inflammatory responses by interfering with NF-κB activation and therefore decreasing the expression of ICAM-1 and NO production, attenuating the oxidative stress and inflammation in sepsis.



Autor: Weiting Qin, Jinli Zhang, Wanghui Lv, Xu Wang, Bingwei Sun

Fuente: http://plos.srce.hr/



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