RGD Reference Report - The role of macrophage migration inhibitory factor in the cascade of events leading to reperfusion-induced inflammatory injury and lethality. - Rat Genome Database

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The role of macrophage migration inhibitory factor in the cascade of events leading to reperfusion-induced inflammatory injury and lethality.

Authors: Amaral, FA  Fagundes, CT  Guabiraba, R  Vieira, AT  Souza, AL  Russo, RC  Soares, MP  Teixeira, MM  Souza, DG 
Citation: Amaral FA, etal., Am J Pathol. 2007 Dec;171(6):1887-93. Epub 2007 Nov 30.
RGD ID: 4891010
Pubmed: PMID:18055556   (View Abstract at PubMed)
PMCID: PMC2111111   (View Article at PubMed Central)
DOI: DOI:10.2353/ajpath.2007.060642   (Journal Full-text)

Ischemia and reperfusion (I/R) injury is associated with a systemic inflammatory response, characterized by intense tumor necrosis factor (TNF)-alpha production and TNF-alpha-dependent tissue injury. Macrophage migration inhibitory factor (MIF) is a potent proinflammatory cytokine that may induce TNF-alpha release and play an important role in innate immune and inflammatory responses. The aim of this work was to assess whether MIF was involved the inflammatory cascade and injury that follows intestinal I/R. To this end, wild-type (WT) and MIF-deficient (MIF(-/-)) mice underwent 60 minutes of ischemia followed by 60 minutes of reperfusion, after which they were culled for the assessment of inflammatory parameters. I/R was accompanied by an increase in circulating levels of MIF and an increase of vascular permeability, hemorrhage, and production of TNF-alpha in the intestine and lungs. The latter parameters were markedly suppressed in reperfused MIF(-/-) mice, and this was associated with decreased lethality (80% in WT versus 20% in MIF(-/-) mice). Interestingly, the reperfusion-associated neutrophil accumulation in the intestine and lungs was similar in WT and MIF(-/-) mice. Leukocytes isolated from lungs of MIF(-/-) mice were less activated, as assessed by their response to zymosan in a luminol-enhanced chemiluminescence assay. In conclusion, our results suggest that MIF plays an important role in the cascade of events leading to TNF-alpha production and reperfusion-induced tissue injury and lethality in mice.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Reperfusion Injury disease_progressionISOMif (Mus musculus)4891010; 4891010 RGD 
Reperfusion Injury disease_progressionIMP 4891010 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Mif  (macrophage migration inhibitory factor)

Genes (Mus musculus)
Mif  (macrophage migration inhibitory factor (glycosylation-inhibiting factor))

Genes (Homo sapiens)
MIF  (macrophage migration inhibitory factor)


Additional Information