Three distinct cell phenotypes of induced-TNF cytotoxicity and their relationship to apoptosis.

Abstract excerpt

We have identified three distinct cell phenotypes with respect to the conditions under which cells became susceptible to TNF-mediated lysis. These conditions include: 1) treatment with the protein synthesis inhibitor, cycloheximide; 2) contact with activated macrophages, and 3) infection with vaccinia virus. Whereas vaccinia virus-infected 3T3 cells became sensitive to soluble TNF, F5b cells required contact with...

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