Tissue- and time-dependent upregulation of cytokine mRNA in a murine model for the multiple organ dysfunction syndrome

We sought to quantitate the course of specific cytokine mRNA expression in tissues that exhibit increasing histopathological changes in time in an animal model for the multiple organ dysfunction syndrome (MODS). The development of treatment protocols for MODS requires elucidation of the mechanisms a...

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Bibliographic Details
Published in:Annals of surgery 2004-07, Vol.240 (1), p.142-150
Main Authors: VOLMAN, Thomas J. H, GORIS, R. Jan A, VAN DER MEER, Jos W. M, HENDRIKS, Thijs
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Cytokines - genetics
Cytokines - metabolism
Escherichia coli
General aspects
Interferon-gamma - genetics
Interferon-gamma - metabolism
Interleukins - genetics
Interleukins - metabolism
Kidney - metabolism
Lipopolysaccharides
Liver - metabolism
Lung - metabolism
Medical sciences
Mice
Mice, Inbred C57BL
Multiple Organ Failure - metabolism
Original
Peritonitis - chemically induced
Peritonitis - metabolism
Reverse Transcriptase Polymerase Chain Reaction
RNA, Messenger - metabolism
Spleen - metabolism
Time Factors
Tumor Necrosis Factor-alpha - metabolism
Up-Regulation
Zymosan
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Summary:We sought to quantitate the course of specific cytokine mRNA expression in tissues that exhibit increasing histopathological changes in time in an animal model for the multiple organ dysfunction syndrome (MODS). The development of treatment protocols for MODS requires elucidation of the mechanisms and mediators involved. To devise logical interventions, it is necessary to collect data on cytokine expression at tissue level during the development of MODS. Ninety-four C57BL/6 mice were given an intraperitoneal injection of 40 microg of lipopolysaccharide (LPS), followed by zymosan at a dose of 0.8 mg/g body weight 6 days later (day 0). Six additional animals did not receive zymosan and acted as controls. At several time points after zymosan injection, 6 randomly assigned, zymosan-treated animals were killed, and their livers, lungs, spleens, and kidneys were collected. mRNA expression of tumor necrosis factor-alpha, interleukin (IL)-1beta, IL-6, macrophage migration inhibiting factor, IL-12, interferon-gamma, and IL-10 was measured using a real-time reverse transcription-polymerase chain reaction assay. The injection of zymosan induced an acute peritonitis, followed by an apparent recovery. From approximately day 6 onwards, animals started to display MODS-like symptoms. During the peritonitis phase, up-regulation of cytokine mRNA was limited. During the period of apparent recovery, cytokine mRNA expression strongly increased, mostly reaching its maximum at day 9 when deterioration of the clinical condition had already set in. The up-regulation of tumor necrosis factor-alpha mRNA was most pronounced, especially in the lungs and liver. Interventions should preferentially be targeted against multiple cytokines and, at least in this model, there may be a treatment window well after the initial challenge.
ISSN:0003-4932
1528-1140
DOI:10.1097/01.sla.0000130725.52373.e7