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A variant of human prostate PC3 cells, isolated from PC3 cells, was shown to be significantly resistant (> 10-fold) to several clinically active anticancer drugs, including VP-16 and cisplatin. Previous studies showed that resistance to these drugs was not due to expression of the mdr1 gene, or modifications in topoisomerases but may have resulted from high expressions of certain proto-oncogenes...
The detergent Triton X-100 (TX100) was used with the intention to establish a model for necrotic cell death. However TX100 was found to induce apoptotic and necrotic death in prostate and colon cancer cell lines. Apoptosis was characterized by the typical morphological features and internucleosomal DNA fragmentation. The rapid onset within 60 min and the lack of inhibition by cycloheximide indicated...
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