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The antitumor activity of an inhibitor of 26S proteasome bortezomib (Velcade) has been observed in various malignancies, including colon cancer, prostate cancer, breast cancer, and ovarian cancer. Bortezomib has been proposed to stimulate autophagy, but scientific observations did not always support this. Interactions between ERK activity and autophagy are(More)
The potent and selective proteasome inhibitor bortezomib has shown remarkable antitumor activity and is now entering clinical trials for several cancers. However, the molecular mechanisms by which bortezomib induces cytotoxicity in ovarian cancer cells still remain unclear. In this study, we show that bortezomib induced apoptosis, which was demonstrated by(More)
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