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Effect of quinidine on mitogen-induced human lymphocyte transformation
Abstract:
The effect of quinidine on mitogen-induced lymphocyte transformation was examined using a microculture technique. The results showed that, at concentrations attainable during therapy, this drug exerted an inhibitory effect on lymphocyte proliferation. This inhibitory effect could be partially reversed by washing. The inhibitory effect was quite substantial when the drug was added 48 hours after the initiation of cultures. The clinical implications of this immunosuppressive property of quinidine are discussed.