Abstract
Low affinity mice, prone to chronic immune complex disease (ICD) induced by daily injection of antigen, were fed 0.05% HSA in their drinking water for 7 days before the start of daily injections of HSA. Antigen feeding resulted in a marked decrease in the incidence of ICD despite the presence of high levels of circulating immune complexes. These complexes, which persisted in the circulation for long periods, were of low molecular weight and did not localize in the glomeruli. Antigen fed mice had lower levels of free antibody in their sera compared with control mice which may have favoured the formation of small latticed complexes in antigen excess. Antibody affinity was not apparently affected by prior feeding with antigen.
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Selected References
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