RGD Reference Report - Blockade of macrophage migration inhibitory factor ameliorates experimental autoimmune myocarditis. - Rat Genome Database

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Blockade of macrophage migration inhibitory factor ameliorates experimental autoimmune myocarditis.

Authors: Matsui, Y  Okamoto, H  Jia, N  Akino, M  Uede, T  Kitabatake, A  Nishihira, J 
Citation: Matsui Y, etal., J Mol Cell Cardiol. 2004 Aug;37(2):557-66.
RGD ID: 1641993
Pubmed: PMID:15276025   (View Abstract at PubMed)
DOI: DOI:10.1016/j.yjmcc.2004.05.016   (Journal Full-text)

Macrophage migration inhibitory factor (MIF) is a cytokine that plays a critical role in the regulation of macrophage effector functions and T-cell activation. However, its role in the pathogenesis of experimental autoimmune myocarditis (EAM) has remained unresolved. In this study, we studied the role of the MIF in EAM. We investigated the expression of MIF in EAM using enzyme-linked immunosorbent assay, Northern blotting, and immunohistochemistry. Moreover, a neutralizing antibody (Ab) to MIF was injected intraperitoneally from day 0 to 20 (experiment 1), or from day 13 to 19 (experiment 2), after the immunization. Disease severity was estimated by the macroscopic and microscopic findings for the heart, heart weight to body weight ratio, and cellular and humoral immune responses on day 21. Enhanced MIF protein and mRNA expression in the heart tissue and an elevated serum MIF concentration were confirmed in EAM. In experiment 1, the anti-MIF Ab treatment markedly inhibited the onset of EAM. Moreover, a significant reduction in disease severity was also achieved even after the delayed anti-MIF Ab treatment in experiment 2. Furthermore, we demonstrated that MIF blockade decreased the expression of VCAM-1, TNF-alpha, and IL-1beta and the migration of T-cells and macrophages in the EAM heart. These results demonstrate an important role of MIF in the pathogenesis of EAM and suggest that MIF blockade may be a promising new strategy for the treatment of myocarditis.



RGD Manual Disease Annotations    Click to see Annotation Detail View
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
MIFHumanmyocarditis  ISOMif (Rattus norvegicus) RGD 
MifRatmyocarditis onsetIDA  RGD 
MifMousemyocarditis  ISOMif (Rattus norvegicus) 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