Abstract:
:Previous studies have shown that neutralization of macrophage migration inhibitory factor (MIF) by anti-MIF antibody reduces intestinal inflammation in mice. In this study we tested whether or not anti-MIF autoantibody induced by DNA vaccine targeting MIF protects mice against experimental colitis. Mice were administered a MIF-deoxyribonucleic acid (DNA) vaccine by introducing oligonucleotides encoding helper T epitope into the cDNA sequence of murine MIF by in vivo electroporation. Preventive effects of this method against dextran sulphate sodium-induced (DSS) colitis were evaluated. Mice administered with MIF-DNA vaccine raised values of autoantibody significantly. The clinical and histological findings of colitis induced by 3·0% DSS solution were ameliorated significantly in mice treated with MIF-DNA vaccine compared with saline or pCAGGS-treated mice given DSS. Myeloperoxidase activity, infiltration of F4/80-positive staining cells and the levels of proinflammatory cytokines were suppressed in the colon of MIF-DNA vaccine treated mice compared with saline or pCAGGS-treated mice exposed to DSS. Our results suggest that immunization with helper T epitope DNA-vaccine targeting MIF may be a useful approach for the treatment of colitis including inflammatory bowel diseases.
journal_name
Clin Exp Immunoljournal_title
Clinical and experimental immunologyauthors
Ohkawara T,Koyama Y,Onodera S,Takeda H,Kato M,Asaka M,Nishihira Jdoi
10.1111/j.1365-2249.2010.04277.xsubject
Has Abstractpub_date
2011-01-01 00:00:00pages
113-22issue
1eissn
0009-9104issn
1365-2249journal_volume
163pub_type
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