Abstract:
:Organ failure is associated with increased mortality and morbidity in patients with systemic inflammatory response syndrome. Previously, we showed that a short course of infusion of a hydrogen sulfide (H(2)S) donor reduced metabolism with concurrent reduction of lung injury. Here, we hypothesize that prolonged H(2)S infusion is more protective than a short course in endotoxemia with organ failure. Also, as H(2)S has both pro- and anti-inflammatory effects, we explored the effect of H(2)S on interleukin production. Endotoxemia was induced by an intravenous bolus injection of LPS (7.5mg/kg) in mechanically ventilated rats. H(2)S donor NaHS (2mg/kg) or vehicle (saline) was infused and organ injury was determined after either 4 or 8h. A short course of H(2)S infusion was associated with reduction of lung and kidney injury. Prolonged infusion did not enhance protection. Systemically, infusion of H(2)S increased both the pro-inflammatory response during endotoxemia, as demonstrated by increased TNF-α levels, as well as the anti-inflammatory response, as demonstrated by increased IL-10 levels. In LPS-stimulated whole blood of healthy volunteers, co-incubation with H(2)S had solely anti-inflammatory effects, resulting in decreased TNF-α levels and increased IL-10 levels. Co-incubation with a neutralizing IL-10 antibody partly abrogated the decrease in TNF-α levels. In conclusion, a short course of H(2)S infusion reduced organ injury during endotoxemia, at least in part via upregulation of IL-10.
journal_name
Cytokinejournal_title
Cytokineauthors
Aslami H,Beurskens CJ,de Beer FM,Kuipers MT,Roelofs JJ,Hegeman MA,Van der Sluijs KF,Schultz MJ,Juffermans NPdoi
10.1016/j.cyto.2012.11.018subject
Has Abstractpub_date
2013-02-01 00:00:00pages
614-21issue
2eissn
1043-4666issn
1096-0023pii
S1043-4666(12)00801-0journal_volume
61pub_type
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