Reprogramming of circulatory cells in sepsis and SIRS
- 1 October 2005
- journal article
- other
- Published by SAGE Publications in Innate Immunity
- Vol. 11 (5), 311-320
- https://doi.org/10.1177/09680519050110050901
Abstract
Immune status is altered in patients with sepsis or non-infectious systemic inflammatory response syndrome (SIRS). Reduced ex-vivo TNF production by endotoxin-activated monocytes has been regularly reported. This observation is reminiscent of the phenomenon of endotoxin tolerance, and the term `leukocyte reprogramming' well defines this phenomenon. This review will outline that the hyporesponsiveness of circulating leukocytes is not a generalized phenomenon in sepsis and SIRS. Indeed, the nature of the insult ( i.e. infectious versus non-infectious SIRS; under anesthesia [surgery] or not [trauma, burn]), the nature of the activator used to trigger leukocytes ( i.e. different Toll-like receptor ligands or whole bacteria), the nature of the cell culture ( i.e. isolated monocytes versus peripheral blood mononuclear cells versus whole blood assays), and the nature of the analyzed cytokines ( e.g. IL-1β versus IL-1ra; TNF versus IL-10) have a profound influence on the outcome of the response.Keywords
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