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Shiga toxins (Stxs) are involved in the pathogenesis of hemolytic-uremic syndrome and other severe systemic complications following enterohemorrhagic Escherichia coli infection in humans. Passive immunotherapies using monoclonal antibodies have been shown to be effective for neutralizing the toxic effects of Stxs. However, animal-derived monoclonal antibodies are sometimes immunogenic and their production...
On single nasal immunization of mice with killed-bacillus calmette–guerin (BCG) plus a mutant Escherichia coli enterotoxin, delayed-type hypersensitivity was induced and BCG-infection decreased. Spleen cells, particularly CD4 + T cells among them produced IL-2, IFNγ and TNFα in response to the killed-BCG or purified protein derivatives. CD8 + T cells including cytotoxic T lymphocytes...
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