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New combination therapy for solid tumors?

Most, if not all, solid tumors contain regions that are not well oxygenated. Tumor cells in these regions, which are known as hypoxic regions, are usually resistant to the death-inducing effects of chemotherapeutics. But now, Caroline Dive and colleagues, at Manchester University, United Kingdom, have identified a compound (ABT-737) that induces human cancer cells exposed to hypoxic conditions in vitro to undergo a form of cell death known as apoptosis. In addition, cells in hypoxic regions of human tumors xenografted in mice were susceptible to ABT-737induced apoptotic cell death. As ABT-737 synergized with conventional chemotherapeutic agents in tumor-bearing mice, the authors suggest that such a combination of drugs could improve treatment of solid tumors.


Contact: Ushma Neill
Journal of Clinical Investigation

Page: 1

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