Agonist antibody and Fas ligand mediate different sensitivity to death in the signaling pathways of Fas and cytoplasmic mutants.

Abstract excerpt

We have produced three forms of human Fas: full-length Fas, Fas with a C-terminal deletion, and a chimera between extracellular Fas and the intracellular domain of the tumor necrosis factor receptor I p55 subunit. We transfected cell lines with these constructs to compare the relative capacity of antibody agonists and the physiological Fas ligand (FasL) to stimulate death. With two agonistic antibodies, the...

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