Differential sensitivity of normal and Ha-ras-transformed C3H mouse embryo fibroblasts to tumor necrosis factor: induction of bcl-2, c-myc, and manganese superoxide dismutase in resistant cells.


In this study, we investigated the role of activated Ha-ras oncogene on the growth-regulatory properties of tumor necrosis factor (TNF) in C3H mouse embryo fibroblasts. TNF-resistant 10T1/2 cells transfected with an activated Ha-ras oncogene not only produced tumors in nude mice but also exhibited extreme sensitivity to cytolysis by TNF. TNF-induced cell… (More)


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