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  • Title: Polyclonal effect of HgCl2 in the rat, its possible role in an experimental autoimmune disease.
    Author: Hirsch F, Couderc J, Sapin C, Fournie G, Druet P.
    Journal: Eur J Immunol; 1982 Jul; 12(7):620-5. PubMed ID: 6214411.
    Abstract:
    Mercuric chloride induces an autoimmune glomerulonephritis in Brown-Norway (BN) but not in Lewis (LEW) rats. Injection of HGCl2 into BN rats regularly produced a transient appearance of plaque-forming cells (PFC) of anti-2,4,6-trinitrophenyl and anti-sheep red blood cell specificity and circulating anti-single-stranded DNA antibodies. Addition of HgCl2 to spleen cell cultures from BN rats induced an increase in anti-trinitrophenyl PFC and reverse PFC. This effect was no longer observed when nylon wool column-depleted or anti-Thy-1 antiserum-treated spleen cells were cultured in the presence of HgCl1. These data suggest that HgCl2 acts as a polyclonal activator on spleen cells in BN rats, but not on isolated B lymphocytes. In contrast, no effect of HgCl2 on immunoglobulin production was observed in LEW rats. Since polyclonal activation and immune-type nephritis are both seen in BN but not in LEW rats, polyclonal activation may participate in the pathogenesis of the HgCl2-induced autoimmune disease of BN rats.
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