Effects of gamma-interferon and FK506 on resting B cell proliferation of New Zealand black/white F1 mice. |
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| Authors: | M Minoda M Ohno Y Tomioka K Hamada Y Yamazoe M Higashikawa H Sugishima S Higashitani M Funauchi A Horiuchi |
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| Affiliation: | Third Department of Internal Medicine, Kinki University School of Medicine, Osaka, Japan. |
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| Abstract: | We examined the effects of gamma-interferon (gamma-IFN) and the new immunosuppressant FK506 on resting B cell proliferation of New Zealand black/white F1 hybrid (B/W F1) mice, an animal model of human systemic lupus erythematosus (SLE). gamma-IFN and FK506 inhibited in a dose-dependent manner both B cell proliferation and autoantibody production of resting B cells respectively. There was a synergistic interaction between gamma-IFN and FK506 in their inhibition and they did not exhibit cell cytotoxicity. This in vitro synergism of gamma-IFN and FK506 may have clinical application in that low doses of gamma-IFN and FK506 combinations may be effective to correct polyclonal B cell activation of patients with SLE. |
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