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Two ovarian cancer cell lines named NOS4 and SKOV-3 have been shown to have different sensitivities to a cytotoxic anti-Fas antibody, CH-11. Although both cell lines express Fas molecules on the cell surfaces at the same intensities, apoptosis is induced by CH-11 in NOS4 cells but not in SKOV-3 cells. In this study, the different apoptosis-sensitivities of these cells were assessed. Both cell lines...
We found that a short synthetic peptide corresponding to the “antisense homology box” of Fas ligand induced apoptotic cell death of Fas-expressing human ovarian cancer cell lines. The peptide was deduced from residues 256–265 of human Fas ligand, based on the hypothesis that it should contain a specific binding site to the corresponding Fas. Interestingly, the ovarian cancer cell line NOS4, which...
The present study was aimed to investigate whether or not cyclin-dependent kinases (CDKs) participate in different cascades leading to apoptosis. We examined the effects of two CDK inhibitors, olomoucine (OLM) and buty-rolactone-I (BL-I), on apoptosis induced in two kinds of Drosophila cell lines. Increases of caspase activity induced by actinomycin D, cycloheximide, H-7 or A23187 in a Drosophila...
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