Environmental signals influencing expression of the IFN-gamma receptor on human T cells control whether IFN-gamma promotes proliferation or apoptosis

IFN-gamma R expression is subject to contrasting modulation on human T cells. IFN-gamma R constitutive expression is low on three human malignant T cells (ST4, PF382, and Jurkat) growing in medium supplemented with serum. The addition of IFN-gamma down-modulates IFN-gamma R expression and increases...

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