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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Experimental gold-induced autoimmunity.

The pathogenesis of gold-induced autoimmunity and membranous glomerulopathy is not well understood. HgCl2 and D-penicillamine, other chemicals known to trigger membranous glomerulopathy in humans, induce autoimmune manifestations in Brown-Norway (BN) rats but not in Lewis (LEW) rats. These chemicals trigger T-cell clones which are specific for self class II molecules from the major histocompatibility complex and are probably responsible for the polyclonal B-cell activation observed. The aim of this work was to test the effects of aurothiopropanolsulphonate (ATPS) in BN and LEW rats. In BN rats, ATPS induced a polyclonal B-cell activation marked by lymphoproliferation, hyperimmunoglobulinaemia affecting mainly IgE, and by the production of numerous autoantibodies. A glomerulonephritis occurred, initially due to anti-glomerular basement membrane antibody deposition, and later to the formation of granular deposits, occasionally resulting in a typical membranous glomerulopathy. Self class-II-specific T-cells were found that might be responsible for the polyclonal B-cell activation. Lewis rats were free of glomerulopathy but, like BN rats, exhibited an interstitial nephritis and some degree of polyclonal B-cell activation. These findings demonstrate that, depending on the strain, ATPS triggers different B-cell clones inducing different degrees of autoimmunity.[1]

References

  1. Experimental gold-induced autoimmunity. Tournade, H., Guery, J.C., Pasquier, R., Nochy, D., Hinglais, N., Guilbert, B., Druet, P., Pelletier, L. Nephrol. Dial. Transplant. (1991) [Pubmed]
 
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