RGD Reference Report - Elevated levels of macrophage inflammatory protein 2 in severe murine peritonitis increase neutrophil recruitment and mortality. - Rat Genome Database

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Elevated levels of macrophage inflammatory protein 2 in severe murine peritonitis increase neutrophil recruitment and mortality.

Authors: Walley, KR  Lukacs, NW  Standiford, TJ  Strieter, RM  Kunkel, SL 
Citation: Walley KR, etal., Infect Immun. 1997 Sep;65(9):3847-51.
RGD ID: 5135255
Pubmed: PMID:9284162   (View Abstract at PubMed)
PMCID: PMC175549   (View Article at PubMed Central)

We hypothesized that chemokines may play important roles in a cecal ligation and puncture (CLP) model of septic peritonitis in CD-1 mice. Concentrations of C-X-C (macrophage inflammatory protein 2 [MIP-2] and ENA-78) and C-C (MIP-1alpha and JE) chemokines were measured (by enzyme-linked immunosorbent assay) in serum, peritoneal lavage fluid, lung, and liver at 4, 8, 24, 48, and 96 h after CLP. Significant elevations in all measured chemokines occurred in peritoneal fluid after CLP (P < 0.05). MIP-2, in particular, increased dramatically (>400-fold, P < 0.001) in peritoneal fluid, serum, and to a lesser extent lung and liver (P < 0.05). Increased MIP-2 was correlated with severity of sepsis (P < 0.001). To determine the significance of this finding, mice were passively immunized prior to CLP with polyclonal antibody to MIP-2, which decreased mortality from 85 to 38% at 96 h (P < 0.01). To further understand the mechanism of the effect of MIP-2, additional measurements demonstrated that anti-MIP-2 prior to CLP decreased the percent neutrophils in peritoneal fluid (55% +/- 12%, compared with 82% +/- 10% in controls), but no significant changes in tumor necrosis factor alpha, interleukin-6, or interleukin-10 occurred. MIP-2 contributes to the inflammatory response and overall mortality in this model of severe septic peritonitis, possibly by increasing recruitment of neutrophils, which clear bacteria but may also injure the host.




  
Object Symbol
Species
Term
Qualifier
Evidence
With
Notes
Source
Original Reference(s)
CXCL2HumanSepsis  ISOCxcl2 (Mus musculus) RGD 
CXCL5HumanSepsis  ISOCxcl5 (Mus musculus)protein:increased expression:multiple tissuesRGD 
Cxcl2RatSepsis  ISOCxcl2 (Mus musculus) RGD 
Cxcl2MouseSepsis  IMP  RGD 
Cxcl5MouseSepsis  IEP protein:increased expression:multiple tissuesRGD 
Cxcl6RatSepsis  ISOCxcl5 (Mus musculus)protein:increased expression:multiple tissuesRGD 


Genes (Rattus norvegicus)
Cxcl2  (C-X-C motif chemokine ligand 2) Cxcl6  (C-X-C motif chemokine ligand 6)

Genes (Mus musculus)
Cxcl2  (C-X-C motif chemokine ligand 2) Cxcl5  (C-X-C motif chemokine ligand 5)

Genes (Homo sapiens)
CXCL2  (C-X-C motif chemokine ligand 2) CXCL5  (C-X-C motif chemokine ligand 5)