Abstract
In this study, the functional properties of the cells involved in the immunoregulation of Heymann nephritis (HN) have been investigated. HN is a disease model in the rat where the pathology closely resembles membranous glomerulonephropathy (MGN) in man. This autoimmune model is induced by injection of renal tubular antigen (RTA) incorporated in Freund's complete adjuvant (FCA). The strong B cell and plasma cell response in the chronic phase of HN, as determined by cell marker analyses, is predominantly antigen-non-specific. The secondary response pattern found was not only to RTA upon repeated immunization, but also to non-related antigen (SRBC). Although cell marker studies have indicated no major quantitative changes in the T cell population throughout the development of HN, a severe deregulation of the cellular immune response is observed especially during the induction period of HN. This was shown by a strong decrease of the mitogen-induced proliferative response and IL-2 production. This phenomenon is caused by both defective cellular components and inhibitory serological factors. Finally, in the chronic phase, these aberrations gradually return to normal.
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Selected References
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