Abstract
Gold salts, auranofin (AF), aurothiomalate (ATM) and aurothioglucose (ATG) displayed immunosuppressive action in a series ofin vitro assays which mimic the cell-cell interactions thought to occur in rheumatoid arthritis. The gold salts inhibited phytohaemagglutinin (PHA)-induced thymidine incorporation and γ-IF production by peripheral blood mononuclear cells, as well as IL-2-induced proliferation of PHA-blasts. The separate addition of IL-2 and γ-IF partly reversed the anti-proliferative effects of ATM and ATG; however, the addition of IL-1 had no effect. ATM and ATG inhibited PHA-stimulated IL-1 production by mononuclear cells but not spontaneous or LPS-induced IL-1 production by adherent monocytes. It was concluded that ATM and ATG inhibited lymphocyte function and lymphocyte-amplification of macrophage function.
The anti-proliferative effects of AF were partly reversed by IL-2 but not by γ-IF or IL-1. AF inhibited PHA-stimulated IL-1 production by mononuclear cells as well as spontaneous and LPS-induced production by adherent cells. It appeared that AF inhibited lymphocyte and macrophage function directly. AF also displayed potential anti-inflammatory activity in that it inhibited PGE2 and collagenase production by proteolytically dispersed rheumatoid synovial cells.
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Barrett, M.L., Lewis, G.P. Unique properties of auranofin as a potential anti-rheumatic drug. Agents and Actions 19, 109–115 (1986). https://doi.org/10.1007/BF01977265
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DOI: https://doi.org/10.1007/BF01977265