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01.08.2010 | Commentary | Ausgabe 4/2010

Critical Care 4/2010

Right man, right time, right place? - On the time course of the mediator orchestra in septic shock

Zeitschrift:
Critical Care > Ausgabe 4/2010
Autoren:
Balázs Hauser, Peter Radermacher
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Abstract

Appropriate timing of treatment assumes particular importance in critical care. Lange and colleagues recently reported on the time course of the different nitric oxide synthase (NOS) isoforms, nitrosative stress, and poly(ADP-ribosylation) during Pseudomonas aeruginosa pneumonia-induced ovine septic shock. Initially, endothelial NOS expression was increased together with markers of peroxynitrite formation, DNA damage, and nuclear factor-kappa-B activation. Later on, measurable NOS activity and nitric oxide production resulted mainly from inducible NOS activation. These results emphasize the need for long-term, large-animal studies investigated over days so that future therapeutic interventions can be better tailored and matched to the exact time course of the activation of the mediator orchestra.

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