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The major hurdle in the fight against cancer is the non-specific nature of current treatments. The search for specific drugs that are non-cytotoxic to normal cells and can effectively target cancer cells has lead some researchers to investigate the potential anti-cancer activity of natural compounds. Some natural compounds, such as Taxol, have been shown to posses some anti-cancer potential. Pancratistatin...
Growth factor deprivation-induced apoptosis has been shown in various cell systems and is recognized as one of the standard models for the study of programmed cell death. The mechanism of induction of apoptosis by serum deprivation is still not clear. The objective of the present study was to investigate if serum-deprivation causes oxidative stress, which then leads to apoptotic death. We have demonstrated...
Oxidative stress has been postulated to be involved in aging and age-related degenerative diseases. Cell death as a result of oxidative stress plays an important role in the age related diseases. Using human diploid fibroblasts (HDF) as model to study the mechanism of cell death induced by oxidative stress, a condition was standardized to induce apoptosis in the early passage sub-confluent HDFs by...
The objective of this study was to establish whether apoptosis in 5123tc rat hepatoma cells required the caspase-3 dependent pathway. Apoptosis was induced by either growth factor deprivation or treatment with a topoisomerase II inhibitor, VM26, in the absence or presence of caspase inhibitors (DEVD-fmk, z-VAD-fmk and BAF). The results indicated that, although these inhibitors at 10 μM concentration...
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